Pocket RxTx –Multimode Transceiver Control for Android
Contents
1. e Slow speed AGC for Waterfall e Mute button Limitations Current version of the application has the following limitations e Feedback from the radio not yet implemented e The direct CAT support was tested only for Yaesu FT 817 and FT 450 e A limited number of tests were performed by me Application for sure still has bugs or can crash for apparent no reason With your help issues will be solved one by one and new features will be added e Audio support even if is available in the interface is not yet functional e Encryption is used only for the initial authentication then all the traffic is unencrypted WARNING Use this application on your own risk As in direct CAT mode your PC can be made accessible from Internet for CAT and audio is your job to protect against attacks possible by using some kind of VPN ex PPTP application providing only secure authentication no data encryption Full encryption option will be added in the future If you are not comfortable with this and you are not using any kind of VPN then use this only over your LAN More even this application does not send any dangerous data to the transceiver as the protocol used by FT 8x7 for CAT does not use any error correction mechanism it is possible in some extreme situations to give you unexpected results like a software crash on the transceiver requiring to power cycle it or in a worst case scenario even a complete wipe of all EEPROM data inc2. samsung GT P6800 er d SDK Scl Fnt D 16 1 29 9 3 Device info aN Sty Sa oe aS Res px 1280x752 samsung GT P6800 START Par tie S Se Uh SDK Scl Fnt D 16 1 29 9 2 N i a WebSDR server Res px 800x1232 http websdr yo3ggx ro 8765 CALLSIGN YO3GGX WebSDR server LOC KN34bk http websdr yo3ggx ro 8765 CALLSIGN YO3GGX LOC KN34bk Pa Saving screenshot If you start the application in WebSDR client mode or change to that mode from direct CAT mode the application starts to save locally the list of the available servers and each server configuration bands version picture logo etc During this period a few seconds the START button name change to WAIT At the end of the process a list of unavailable servers will be displayed shortly and the button name goes back to START You can change the mode from the startup page at any time by sliding the finger left or right over the image In the second mode named Direct CAT you get the following startup page both landscape and portrait Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX Bluetooth F USB Network Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX F START Bluetooth f USB Network Device info samsung GT P6800 SDK Scl Fnt D 16 1 29 9 3 Device info Res px 1280x752 samsung GT P6800 SDK Scl Fnt D 16 1 29 9 2 Sock yo3ggx go ro 4444 Res px 800x1232 Sock yo3ggx go r0 4444 P w 20 30 Last used mode is saved when you exit the application
3. to the radio configuration file for more details about how to edit it to cover your own needs CAT over USB Read first the chapter about configuring direct CAT mode in order to configure the right Baudrate for the serial connection to the transceiver Connect your USB CAT interface to the tablet smartphone before starting the application You will be automatically prompted to run the application or other USB enabled application if any Select Pocket RxTx from the list You can choose to automatically run Pocket RxTx when you connect the USB CAT interface Pocket RxTx will be started with USB support enabled Magenta USB button active You can now press on blue Power button to connect to the transceiver over USB cable The circular virtual LED around the power button will go magenta Use the same operation mode as for the Bluetooth CAT NOTE To use this mode you need Android 3 1 or higher or 2 3 3 with embedded USB host support If not available then you can connect only over Bluetooth In the current version of the application the USB CAT interfaces based on the following USB Serial chips are supported FTDI FT232R UART VID 0x0403 PID Oxo001 CP210x UART Bridge VID 0x10C4 PID QxEA60 Prolific PL2303 VID Ox067b PED UxZ2300 15 CAT over Network You need to connect your transceiver to a PC Windows Linux or Mac and run the application jAS2SecNET see chapter named Configuring direct CAT mode for more details When the bac
4. 840 IC 718 IC 746pro in HRD mode symbol added on the main screen to display current mode HRD SDR Bluetooth USB better handling memory load save edit optimize feedback Freq mode PTT S in HRD mode better handling MODE PWR BW wheels updates real power read for FT817 at startup or band change not only 5W 0 5W Max Power no more on the display as it is represented by the wheel Max power saved for each memory location other small bug fixes small cosmetic changes Bugs solved no graphical representation for S level the power is not set correctly for some transceivers ex IC 7200 memory edit field overwritten by the frequency digits in portrait mode when starting in SDR mode the BW wheel does not correctly represent current BW last freq mode BW not saved in SDR mode if exit Version 0 6 Mar 12 2013 What s new changed multi WebSDR servers support slow AGC for waterfall better contrast without fast changes High Low quality mode for Waterfall Spectrum use camera hardware button if available as PTT added support for IC 7000 in HRD mode 23 when you manually edit the frequency the display is cleared at first key press Bugs solved USB symbol remains when starting in FT8x7 mode even if USB is not activated incorrect UTC time if time zone is negative PTT does not work for TS 2000 crash if no USB host support available on the smartphone tablet with os version 2 3 x bands not saved re
5. CAT was added which is based on text plugins These allows users to add support for new transceivers without the need for an application upgrade transceivers supported in this version in direct CAT mode for some of them just basic commands are included in the configuration file o Kenwood not tested TS 480 TS 870 TS 2000 o Icom not tested IC 718 IC746 IC 7000 IC 7200 o Yaesu FT 817 FT 857 FT 897 FT 450 24 o Elecraft not tested K3 KX3 Version 0 7 1 7 Aug 29 2014 What s new changed from 0 7 add debug log you can now enter radio address for Icom transceivers new type included in the radio config file lt A gt for Icom radios enter the radio address add embedded support for IC 7400 updated config file for Icom transceivers donot automatically enter in SETUP if in Bluetooth or USB Serial mode version 9 servers like ILYRB are supported again radio pictures no more visible in Android Gallery Bug fixes anerror at application startup in v0 7 package not found if manually enter the frequency and after that use the wheel there is a frequency jump back Java error if changing back from SDR mode to CAT after entering WebSDR mode meter in WebSDR mode stops if changing orientation PTT button wrongly activated in WebSDR client mode when changing orientation or manually entering frequency invalid waterfall for some WebSDR servers crash when changing between some of the We
6. LSTLITEMS the list of the available operation modes separated by the char LST1CMDS list of the commands separated by the char to set the modes from the previous list You must take care to respect the same position in the enumeration 4 Second wheel Output Power content LST2NAME PWR LST2ZITEMS 1W 5W 10W 25W 50W LOOW 18 LST2CMDS CCMD SET PWR 1W CMD SET PWR 5W CMD SET PWR 10W CMD SET PWR 25W CMD SET P WR 50W CMD SET PWR 100W LST2NAME the name which will appear on top of the second wheel POWER wheel LST2ITEMS the list of the output power values to appear in the list LST2CMDS the list of the commands separated by the char to set the corresponding power levels from the previous list You must take care to respect the same position in the enumeration 5 Option buttons config with Fn key pressed and with Fn key released for click action BTN OPT1 NOFN VFO CMD SET VFO A VFO A CMD SET VFO B SPLIT BTN OPT2 NOFN NB CMD SET NB OFF OFF CMD SET NB ON ON BTN OPT3 NOFN BTN OPT4 NOFN R ATT CMD SET ATT OFF OFF CMD SET ATT ON ON BTN OPT5 NOFN AGC CMD SET AGC OFF OFF CMD SET AGC SLOW SLOW CMD SET AGC FAST FAST CMD SET AGC AUTO AUTO BTN OPT1 FN BTN OPT2 FN BTN OPT3 FN BTN OPT4 FN BTN OPT5 FN For each button OPT1 to OPTS with or without FN pressed the structure of the line is the following xotin name gt lt En Status gt lt btn Caption lt cmdl gt lt opulon display Tor
7. On een E T E EA 17 Clearing a Memory IOC AGI OND asecasneicen cirat renee S 17 an CNE CODE On OS enr E eave se scie aa aunceseesucteaesgranneeenis 17 Chane ne PPE ONTO AE E T E E EEEE E A R 21 Pac CIC al demonstratio eener eE EE EE E ES 22 PIDUOBT IDN o e E E E E E E 22 APO ICauON FAIS CO a E E 22 Introduction This is an Android only application used to remotely control different HAM receivers of transceivers You can connect through Internet to a WebSDR server or through Bluetooth USB Serial or network to a HAM transceiver Features Current version of the application has the following generic features e Works on any Android device including smartphones tablets and Google TV with a minimum resolution of 320x240 and Android version 2 1 or higher For USB support Android v3 1 or higher is required or to have USB host support installed for Android 2 3 x e Works in both portrait and landscape modes e Tuning through the rotary knob or by directly entering the frequency from a numeric keypad in MHz e Up Down buttons to change the frequency with a preset step or which depends on the selected band e 16 presets all currently available parameters are saved For each of the 16 memories all parameters are saved freq alias description band mode etc e ON OFF button When off the application is disconnected from the server transceiver e Select band from the pool of available ones e Select operation mode AM LSB USB CW et
8. Pocket RxTx Multimode Transceiver Control for Android Previous name in Play Store Pocket HAM Bands Transceiver GET IT ON gt Google plas ge Pay Version 0 7 1 7 Dan Toma YO3GGX yo3ggx gmail com kindly ask you not to give a negative feedback in Play Store before contacting me by e mail to clarify your issues with the application I promise to answer you ASAP Contents PAG COON CLI e E E E E A S A se acnseseceens 2 PAC e E E EE E A O 2 ON e E E aes ees ee aq naeseeteateeoeaueeeac eee 3 AUTO CONE UEA O a nee nn eterna ne ere E E E E EA a ee ee eee eee eee 4 SCA CN Se US eH GeO as se ctacece cise E cteas tecvossesoesausnaecoueceune E E 4 Usine the WebSDR chent ModE cr coessecc ascension ia coactacdesalannsaciasscuseee coaguneioeiuueisoataces T 6 sele moe VSB SIO aor E E E 6 Operating in WebSDR client mode ccccccssscccceseccccesececcescceceusececsueceecuneceeseusecessesecessenecessenseeessunecessunecessunsceeseenesetsensces 8 Tuning using the Waterfall or SOCCER at scaciostei tic cseieteniensinadvadebecadvamotibaswntbetentenstiass anneteisaeisew aus EN EE 9 SS CUTS CS DaN E E E E E ae eneesnsnsnaeeeseoninetans 11 Uone aee CAT MOG aasan E E A EEE E EA E N A O 11 COP PI UIE Ne OC C OCS saree N O E 13 CAT OVE BISCO N aonni E T E A E AA E E E 14 ATOV USD erd aa E E EEE E 15 CAT over NetWOT Koreanen arera E ERE E E E EEE E E EE E 16 SVS MEMEO E e e E S 16 Savine Oc Memory Ocat rair aE E E onions aetaens 16 Recone et NEOR Oca
9. X3 20Pgmrs 20Ref 20E11 pdf Application history Version 0 3 Feb 3 2013 First release of the application in the current form Version 0 4 Feb 10 2013 What s new changed waterfall and spectrum added in SDR mode connection power status LED replaced with a circular light around power button to toggle ON OFF you have now to long press on Power button mute button added waterfall spectrum zoom x1 x2 x4 x8 you can now select the language for the online user manual or HELP menu exit menu added default font size is auto scaled based on device type config other small cosmetic changes ex info frame background changed to Black rounded buttons gray background for help etc 22 Bugs solved Version 0 4 1 3 Feb 17 2013 What s new changed feedback for PTT and S Meter added in HRD mode support extended to more functions transceivers see the table Bugs solved cannot change mode because of feedback from transceiver in HRD mode the power is not read correctly at startup if Off and then On does not connect anymore to HRD need to restart app do not keep mode and bandwidth settings when rotating in SDR mode sound dropouts in SDR mode Version 0 5 Feb 26 2013 What s new changed USB CAT support in FT8x7 mode Only FTDI and CP2102 based USB Serial adapters are supported for the moment ask to activate Bluetooth if disabled at application startup added support for FT
10. bSDR servers some glitches in the graphical interface For any queries regarding bugs or features requests please join and use the application dedicated forum here http www yo3gex ro forum viewforum php f 15 To see more videos about my projects and to be informed about any news please subscribe to my YouTube channel here http www youtube com channel UC3eDuq p4mcwWYE3 pZmObQ videos view 0 If you want to contribute to further developments please donate using the link available on my web page here http www yo3gex ro Please send me your feedback Further development of the application fully depends on YOU pocketrxtx_v0 7 pdf Bucharest Aug 29t 2014 Dan Toma YO3GGX yo3ggx gmail com 25
11. byte Example Yaesu FT817 CMD SET FREO lt De1 gt lt D65 gt lt D43 gt lt D21 gt 01 If the frequency is 145 225MHz this command will send the following bytes sequence represented as hex values 14 52 25 00 01 P Pause This is a special identifier and is followed by 4 digits representing the pause time in ms If this special byte is encountered all the previous bytes are sent Example oe LO OS This will send previous bytes sequence from the command insert a 1s pause and then go forther for the second sequence of bytes which follows in the same line 20 Mx write EEPROM memory location used only for Yaesu FT8x7 transceivers to send undocumented commands As for these transceivers you can only write two successive memory locations in the same command x can be 1 for first location or 2 for the next location This is a complex command and may be modified in a future version Example CMD SET AGC OFF 00 57 lt M111111100 0 gt lt M211111111 0 gt BC This command will set bits 0 and 1 of memory location 0057 to 0 and will let unmodified next memory location 0058 The binary number following Mx is a binary mask only bits with value O will be modified The number after is the new hex value of bits to be changed As in the current version the feedback is not yet implemented this command type is not yet fully functional WARNING It can be very dangerous to modify EEPROM locations If you hav
12. c e Display SWR in both graphical and text mode e Default application font size does not depend on the system settings e lf you are not satisfied with the default font size you have the possibility to change application font size to match any device or taste Font size is then stored in the config file and displayed on the startup screen at next run e AFN key to extend the number of memories to 16 and for second function of the options buttons e UTC clock included in the interface Specific functions direct CAT mode e Can connect to the transceiver over Bluetooth USB Serial or Network e Network connection can use secure authentication e Radios support is based on text plugins and can be extended by the users Support for the following transceivers is included in the current version of the application 0 7 o Yaesu FT 817 FT 857 FT 897 FT 450 o Kenwood TS 2000 TS 480 TS 870 o Icom IC 7000 IC 718 IC 7200 IC 746 IC 746Pro o Elecraft K2 KX3 e Control the following functions of the transceiver extensible and customizable by the user Mode Band VFO Output Power PTT ATU ON OFF Tune AGC NR NB IPO Specific functions in SDR Receiver mode e Can connect to multiple WebSDR servers New servers can be added in the future without requiring application update e Control Mode AM USB LSB CW FM bandwidth Normal Narrow Wide Band e Display waterfall or soectrum per band e Waterfall spectrum zoom up to 8x
13. called when changing memories Version 0 6 4 Jun 8 2013 What s new changed fully redesigned SDR routines to allow playback on low performance Android devices too ex WM8650 save load config and or memories to a file automatically load memories and last frequency per WebSDR server if a file exist with the server callsign name memories are now separate per operation mode SDR HRD FT8x7 and saved to external files not internally second location for servers master data for redundancy display bandwidth in SDR mode better handling of waterfall AGC automatically set the default font size independent on the device type model font size no more dependent on system font size settings easier procedure to set font size if the default one is not acceptable toast message to long press on Power in order to start Waterfall AGC active only when no zoom Up DOWN steps are now aligned at first press useful when changing channels in VHF UHF bands Bugs solved 11m Band button does not work Cannot access 2m and 70cm bands in HRD mode IC 7000 Version 0 7 Aug 24 2014 What s new changed fully redesigned application engine slightly redesigned graphical interface all WebSDR servers info is cached in the application at startup for faster switching all servers availability is checked at startup and if no available then that server is automatically removed from the list HRD mode was removed a new mode direct
14. cmdl gt lt cmdZ2 gt lt ope ion display for cmdz2 gt lt cmd3 gt lt option display for cmd3 gt lt cmd4 gt lt option display for Cma4a gt You can have as many commands as you want in the list for each button but minimum is 2 as you need to have minimum two states ex ON OFF In the example above ATT attenutator button has two states ON OFF The AGC auto gain control has 4 states OFF SLOW FAST AUTO The status following each command execution is displayed on top of the corresponding option button 6 Option buttons config with Fn key pressed and with Fn key released for long click action BTN LONG OPT1 NOFN BTN LONG OPT2 NOFN BTN LONG OPT3 NOFN BTN LONG OPT4 NOFN BTN LONG OPT5 NOFN BTN LONG OPT1 FN BTN LONG OPT2_ FN BTN LONG OPT3 FN BTN LONG OPT4 FN BTN LONG OPT5 FN TUNE CMD SET ATU TUNE Tuning 19 The syntax is the same as for the click action For both click and long click actions you can have a special sytax for a single action button in the example above BTN LONG OPT5 FN is used to launch a TUNE command on a FT 450 transceiver The syntax is a little bit different Instead of lt option display for cmd4 gt the fomat is lt toast message gt The text included between is the text to appear for a short period as an overlay not in the option button label above 7 The list of the available commands As new features will be added to the application this section wil
15. connection modes so operation described here applies to all 3 modes The only difference is the way you initiate each mode To enter in Bluetooth mode you just have to press on Bluetooth button in the startup page and then press START The main screen looks like in the following picture p iE 09 09 To start operation long press on the round blue power button If the Bluetooth interface is not activated then you are prompted to do it when you try to power on the transceiver After the Bluetooth connection is established you get the main radio panel If your transceiver support it thorough CAT a POWER_ON command is automatically sent to the transceiver You can control frequency mode output power Band VFO A B Noise Blanker PTT and any other parameter which are supported through CAT commands 14 All 5 option buttons are user configurable by just editing radio configuration file You can practically define up to 10 commands 5 option buttons without or with Fn Any command available through CAT for your specific transceiver can be programmed on any option button Option buttons can be used to go through an unlimited number of commands based on the previous state Current state is displayed in the corresponding option label Long pressing an option button can be programmed to send a timed command for example TUNE Then a short toast message is displayed that the timed command is executed See the chapter dedicated
16. d By keeping one of these button pressed you will enter a Repeat mode for faster change A rotary knob which can be used for tuning like the one available on a real transceiver When slow rotating the step is 10Hz when fast rotating is higher An ON OFF button used to turn ON or OFF the connection to the WebSDR server When OFF the display will be completely dimmed and buttons locked A Function FN button to switch between the two groups of memories M1 M8 and M8 M16 and to further select the second function for the 5 option buttons not all used in WebSDR client mode A gray slider on top of the frequency display used to activate the Waterfall or Soectrum mode An orange box in the bottom of the screen used to display customized info if available e A BAND button used to change the band When you press on this button only the available bands for the currently selected server are displayed You can select any the available HAM by just pressing on the corresponding button e A big blue PTT button In the current version it is only used to set the frequency from the numeric keypad see further e You can directly enter the frequency you want For this purpose long press on the frequency display to activate the numeric keypad The rotary knob will be replaced by the keypad and the PTT button will change to SET as in the following images both landscape and portrait modes After you enter the desired frequency click
17. e not saved all the transceiver configuration before using this application is better not to use it with a FT8x7 transceiver 8 Startup commands a list of commands to be sent after transceiver power up CMD SET POWER ON and CMD SET POWER OFF are sent automatically when long pressing round blue power button inside the application Example STARTUP CMD SET LOCK OFF This will unlock the transceiver at startup You can have multiple commands in this line separated by char If you have defined commands for different option buttons at first application start first command for each button is automatically executed This is used to keep the radio in sync with the application considering that there is no feedback implemented in the current version Each new button press is memorized in the configuration file When you exit and then re enter the application last status is restored for all option buttons Not using feedback does not seems to generate lost sync even at higher speeds but make all the controls very responsive ex the tuning wheel Changing application font size Under normal circumstances the font size is automatically set by the application at first start For some Android devices is possible that application fonts to be too big or too small based on the system settings or you just want to adapt it to your own preferences You can change the size of the font by selecting FONT SIZE menu NOTE You can change font s
18. e screen Selecting WebSDR server You can select the WebSDR to which the application will connect For this purpose select SETUP menu when in WebSDR client mode or click on the WebSDR logo in the left part of the screen When you enter WebSDR client setup for the first time you will be asked to enter your own callsign which will appear on that WebSDR server web page If you are not a HAM please use your name alias You will get the following screen CANCEL You can enter a string no shorter than 3 chars and no longer than 8 chars and then press OK You will not be asked anymore till you will decide to reset the application If at any time later you want to change your callsign name you just have to long press on the server owner callsign and you will be prompted again N YO3GGX KN34bk YO3GGX KN34bk YO3GGX f 4 XOSGGXLZ CANCEL SET YO3GGX n 589870 3 781870 MHz CANCEL 5 997650 189650 MHz eaten 10075000 101171000 MHz 3 589870 3 781870 z 4 098240 4 290240 MHz 997650 7 189650 rd 976000 24000 MHz 075000 10 171000 4 098240 14 290240 43 976000 146 024000 5 E a aving screenshot You can select the SDR server you want to connect to using the wheel For each server you get a picture a small logo and info regarding the available bands frequencies the server owner callsign and server locator You can click on the big picture to get more info about that server or on the WebSDR sof
19. ize only when the receiver is ON The display will look like in the following picture 21 Slide the finger vertically over the grayed area Sliding up the font size will increase with one unit Sliding down will decrease with one unit When you are satisfied with the result just slide one finger horizontally over the grayed area and this one will disappear in a short animation The new font size will be automatically saved in the application config file When you further run the application the new font size will be used Practical demonstration A short video demo of of a very old version of the application 0 3 is available on YouTube http www youtube com watch v b3LWF4xa6nE The Waterfall and Spectrum features in version 0 4 can be seen in the following YouTube video http www youtube com watch v qsJUC980HS8 Please subscribe to my channel Dan Toma to be automatically informed when a new video will be available Bibliography The KA7OEI FT 817 pages http www ka7oei com ft817_meow html Icom CI V protocol http www plicht de ekki civ civ p0a html Kenwood PC control protocol http www kenwood com i products info amateur ts 480 pdf ts 480 pc pdf FT 450 CAT operation reference book http yaesu com downloadFile cfm FilelID 2600 amp FileCatID 158 amp FileName FT 450 CAT Operation Reference Book pdf amp FileContentType application 2Fpdf Elecraft K3 and KX3 Programmers reference http www elecraft com manual K3 amp K
20. kground of the PC application goes yellow is ready to receive network connections In the startup page press NETWORK button which will go green Select you transceiver from the list and press START You will get the following screen and the transceiver will be powered on if this CAT command is available APEL80 APEL40 APEL2m M4 Using the Memories You have one set of memories M1 M16 for each available WebSDR server and one for direct CAT mode Saving to a Memory location You have at your disposal 16 memories from M1 to M8 and M8 to M16 when FN key is active where you can store all the info related to a specific channel frequency To save a specific memory configure the transceiver for all the parameters and then long click on one of the memories button ex M2 The screen will change a big entry field will be available together with the standard keyboard Enter the memory name max 6 chars you want to appear on the button for that specific frequency and a description length not limited separated by symbol and then press OK Data is saved to memory button 2 Description is not mandatory and can be omitted 16 APEL80 APEL40 APEL2m M4 Recalling a Memory location To recall a memory location you just have to click on the corresponding button All the settings saved for that location will be loaded from the configuration file frequency mode info etc Clearing a Memory location To clear a memory loca
21. l be extended in the future versions of the application The general format of each line from this section is the following lt cmd gt lt bytel gt lt byte2 gt lt bytes3 gt The bytes are effectively transmitted over CAT only after the full command is rebuilt inside the application Exception is when one of the bytes represent the special pause byte see below Now the byte can be represented in several ways e by his hexadecimal representation 2 hex chars ex 13 A2 FF 9D e bya non hexa direct representation In this case the full byte is included between lt gt First character after lt reprezents the type of data which follows and can be S String followed by one to an unlimited number of chars Each character represent the byte to be transmitted Example Elecraft K3 CMD SET MODE LSB lt SMD1 gt This command will send the following string MD1 C Char digit This is used to transmit frequency values and is followed by a number which can be 0 Hz 1 tens of Hz 2 hundred of Hz 8 hundred of MHz 9 GHz Example Elecraft K3 CMD SET PREO Wl Os A lt GWA Cl COs 6 Coy Cl x C3 eC Cl CUa If the frequency is 14 120MHz this command will send the following string FA14120000S D BCD digit This is used to transmit frequency values and is followed by 2 numbers from 0 to 9 same as above as two digits are packed for each
22. licking on it you will increase the zoom level as follows 1x gt 2x gt 4x gt 8x Depending on the available bandwidth of a specific HAM band you can have a maximum zoom between 2x and 64x As an example for a 192 KHz bandwidth you will have a maximum zoom of 8x for 96 KHz a maximum of 4x and for a 2MHz bandwidth a maximum zoom of 64x The frequency scale will change accordingly Zoom feature can be very useful if you tune for example in a CW zone where the bandwidth is very small like in the following picture Long pressing ZOOM button will automatically reset the zoom to 1x APEL80 APEL40 APEL2m MODE Sa o NTCH ZOOM SP WF J 18 44 34 P lew 21 44 You can decrease the zoom to a lower one by touching the waterfall with 3 fingers in the same time 10 Setting the bandwidth You have 3 presets for the bandwidth in WebSDR client mode depending on the current modulation type as follows AM Narrow t 2ad KAZ Normal 4 KHz Wide 6 KHz SSB Narrow Oe 2 KAZ Normal 2 41 KHZ Wide 3 KAZ CW Narrow Qala 0 78 KHZ Normal G60 09 KHz Wide U 55 095 KHZ FM Narrow 5 KAZ Normal t 8 KHZ Wide 15 KHz Current bandwidth is displayed in the top left corner of the waterfall as in the following picture Apel80 Park80 Using direct CAT mode In the startup page you need to select the right transceiver type and the connection mode Bluetooth USB Serial or Netwo
23. luding configuration software calibration alignment and memories As any CAT command is user customizable by just editing a text file supplemental precaution must be taken For this reason please save your transceiver settings using for example FT 817 Commander you can google for it before using this application Please use any program you like ex FT817 commander to save at least all soft calibration settings plus any other information stored in your radio before using this application cannot be held responsible for any damage caused to your Android device your transceiver or your PC You are warned Audio Configuration Audio functionality is not activated in the current version 0 7 x Starting the application You can install the application directly from Google Play Store search for Pocket RxTx or using the link from the top of this document After you install the application you will have a new icon like the following Press on the icon to launch the application You will get the following startup page for Landscape and Portrait modes at first run WebSDR client mode Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX SDR module 2013 Florian Cucui WebSDR 2012 2014 Pieter Tjerk de Boer PASFWM m Z T i ee em Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX SDR module 2013 Florian Cucui WebSDR 2012 2014 Pieter Tjerk de Boer PA3FWM START BO 40 30 2 Device info i
24. on the big SET button in the lower right part of the screen The button name will change back to PTT and will be grayed out Tuning using the Waterfall or Spectrum To access the waterfall drag the gray slider down over the frequency display The frequency display will be covered by the waterfall Current frequency will be displayed now on the bottom info box Use the SP WF button to toggle between Waterfall and spectrum ee Dale Wee AS BS er ee se alg rani Mie SEES IANA i a ane meme Ruse nore EF veer aa cas ee aa Pear a ERDE S ED Y I Facies ao tae EL MA APEL80 APEL40 APEL2m M5 is M7 M8 APEL80 APEL40 APEL2m M4 MODE MODE LSB NTCH ZOOM SP WF 18 35 45 18 35 51 Sayi screens laa pa r fe 21 35 Current tuning frequency will be represented by a vertical yellow marker and the bandwidth with a semitransparent green strip showing current bandwidth Current frequency scale is displayed on top of the waterfall spectrum You can directly touch the waterfall spectrum or drag the yellow marker to tune to a specific frequency A fine tuning can then be done using the knob When in spectrum mode you can toggle from a full graph to a peak graph and back by long pressing on SP WF button i madl hd belehan or A Ail rs Fi Majas var pot a j y sparti a agp yay id You can zoom into the firewall using the ZOOM button from the lower part of the screen C
25. raft Model K3 Pa c ko pg SigRadios SlgR d10s Brand the brand of the transceiver Model the model of the transceiver Pic the filename of the radio image file 480x320 jpeg SigRadios a special signature used to recognize this as a radio configuration file This must be the same for all radios 2 Radio frequency range and available HAM bands Frequency coverage sections separated by FRANGE 490000 30000000 44000000 54000000 gt List of available Bands BANDS 160m 80m 60m 40m 30m 20m 17m 15m 12m 11m 10m 6m FRANGE usually many radios does not have a continuous frequency coverage You can add here all frequency segments defined by lt start_ freq Hz gt lt end_freq_Hz Segments are separated by char You can add as many segments you want Do not use lt CR gt or lt LF gt chars inside the line even the line is very long BANDS list of transceiver available HAM bands This will determine which bands you can select when you press BAND button in the main app interface wn Anyway in the file you can enter comments by starting the line with the char 3 First wheel Mode content LST1NAME MODE LST1ITEMS LSB USB AM FM CW DATA CW REV DAT REV LST1CMDS CMD_SET MODE LSB CMD SET MODE _USB CMD SET MODE AM CMD SET MODE FM CMD SE T MODE CW CMD SET MODE DATA CMD SET MODE CW REV CMD SET DAT REV LST1INAME the name which will appear on top of the first wheel MODE wheel
26. rk You need to enter the following parameters depending on the connection mode Bluetooth nothing to configure you can just see local device name and MAC and remote device and MAC only if previously was a successful Bluetooth connection USB Serial enter Baudrate Use the wheel to select the CAT speed as configured in the transceiver menu Network enter remote hostname or IP address and TCP port Enter the secret password if you want to use secure authentication over the network There are no limits in the characters to be used for the secret You can toggle between secure authentication and unauthenticated modes by pressing TOGGLE button close to the lock You can toggle between Audio ON OFF but in the current version audio is not functional When you are ready just press SET button to save all parameters in the configuration file For network connection mode you need to configure the PC side too as connection is done to the transceiver through a PC running Windows Linux or Max On the PC you need to run my application named jAS2SecNET java Audio and Serial over Secure network which you can download from my web page Follow the instructions from the application user guide for the PC side configuration The guide for the current version of jAS2SecNET application can be found here http www yo3ggx ro jAS2SecNET doc04 jAS2SecNET v0 4 pdf 13 CAT over Bluetooth Operation of the transceiver is identical for all 3
27. rk According with the selected mode the display will look like in the following images Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX Pocket RxTx v0 7 x 2013 2014 Dan Toma YO3GGX E r y E f Bluetooth USB Network Bluetooth USB Network Bluetooth USB Network Please keep in mind the colors blue for Bluetooth magenta for USB Serial and green for network Some icons will be displayed over the transceiver image First one represent the connection mode second audio status and third only in network mode the authentication setting no authentication or secure authentication After the selection was done press START button 11 The main screen will look like in the following images both landscape and portrait mode Possible icons are represented in the following table Network O DI 1 icon Connection USB Serial mode b Bluetooth Audio ON 24 icon Audio Status Audio Off Secure Authentication ON 3 icon Authentication Secure Authentication OFF 12 Configuring direct CAT mode Click on the connection mode icon or enter setup menu to configure this mode You will get the following screen both landscape and portrait ea Y TOGGLE ST P 38400 CANCEL SET Section corresponding with each connection mode is positioned in a frame with the border color associated with that connection mode blue Bluetooth Magenta USB Serial green Netwo
28. so at next start will enter directly in that mode To exit the application click on the system back icon ES You will get a message prompt DR 2012 2014 Pieter Tierk de Boer PA3FWM Click on YES if you want to exit or on NO to return to the startup page If at any time you want to revert to the default configuration just long press on START button Depending on your current mode you will have several options In SDR mode you have the option to reset everything or to reload the list of the WebSDR servers from the master server and check availability In the first situation the application is initialized and automatically restarted SDR 2012 2014 Pieter Tierk de Boer PASFWM RELOAD CANCEL In direct CAT mode long pressing on START button allows you to reinitialize application as in the previous mode or to clear the radios configuration files in the application folder Later about this in the dedicated chapter of the user manual If you have problems using the application please send me the text displayed in the Display info area Press on START button to go to the application main screen Using the WebSDR client mode When you start the main screen the receiver is powered off so the display will look like in the following pictures for both Landscape and portrait mode The logo of the currently selected WebSDR server is represented by a small icon in the first of the 3 orange boxes in the left part of th
29. tion you have to long click on the corresponding button and when asked to enter name and alias just delete everything and press OK The memory button will be renamed to the original Mx Transceiver configuration files For each transceiver available in direct CAT mode two files are required e A configuration file with the filename lt brand gt _ lt model gt radio ex yaesu t 450 radio e A 480x320 JPG image representing the radio with the filename lt model gt jog ex t 450 jpg All filenames are lowercase Both files are located in a subfolder named Radios of the main application folder named prxtx This is located in the root of the internal device SD card not external even if that one exist This is how the foder structure looks ona Samsung Galaxy Tab 7 7 with Android 4 2 2 4 3 GT P6800 em Card 4 Tablet do Alarms Jj ALBUMS Android d btvna J pcm d Poacasts a i prix d Mems d Radios di Rinatones To edit radio configuration file use a simple text editor not Word Notepad or any other high level editor as this can add unexpected chars in the file which can make the application behaves unexpectedly The file is based on the following general structure for each line lt parameter gt lt values gt The radio configuration file has the following structure explanation with the example of the Elecraft K3 configuration file 17 1 The header general info about the radio Brand Elec
30. tware Green label to get more info about WebSDR software The wheel contain a locally stored list of servers which are available at that moment All the data about a specific server is loaded from the local cache prepared during application startup New server can be added in the future without the need to update the application To activate the selected server click on SET button To return to the previous server click on CANCEL button Operating in WebSDR client mode To start reception long press on the blue power button The screen will change like in the following pictures APEL80 APEL40 APEL2m M6 M7 APEL80 APEL40 APEL2m M4 M5 m i WWrcu Zoom Spywe SA The screen contains the following components for Landscape mode WebSDR mode displayed in the top left corner WebSDR server callsign YO3GGX WebSDR server location KN34bk A big light green display for the tuning frequency Currently selected HAM band or NoHAM if outside official HAM bands S meter level Numerical value for S is displayed on top 8 memory buttons used to store all the settings Freq mode info etc extended to 16 memories through the green FN function button A wheel used to select operation mode LSB USB CW AM FM Any change will be send to the server in real time A wheel used to change the bandwidth Normal Narrow Wide and buttons to increase decrease frequency with a step depending on the current HAM ban
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