User Manual Model DDX-858 - Delta DX Long Wire
Contents
1. ALCOHOL OR DRUGS WHILE INSTALLING ANTENNAS Get a good night s rest before the big day Have a clear mind when you are installing antennas Have more than enough help Make sure all those involved with the installation know exactly what will be done and in the proper steps Make a plan and let your helpers know ALL of the details Make sure all concerned know what to do if the antenna or any part of it starts to fall toward a power line simple let go get as far away as possible from ANY part of the antenna let it fall DO NOT TRY TO KEEP IT FROM FALLING INTO THE POWER LINE YOUR EFFORTS COULD BE LETHAL Do not try to install the antenna in bad weather with wet ground snow ice etc There is an old ham saying Bad weather is the best weather to put up an antenna Don t believe it Mother nature loves to disrupt antenna installations and get you hurt or worse NEVER NEVER NEVER put up or even think about putting up any kind of antenna when you can hear thunder If you can hear thunder in the distance lightning can strike you some or all of the material above will help at least one of you save your life or others Pass this information along and get the word out be safe and enjoy ham radio Introduction Thank you for purchasing and using the M odel DDX 858 Delta DX Long Wire Snr HF antenna system The system comprises of the following 60 feet of wire Delta Match Isolation loop Stainless steel at2. M ost problems with antenna systems are caused by the coaxial cables and connectors 8 Connect a Multi M eter to the Antenna Wire to check continuity Replace assemblies that do not pass a continuity check 9 If still not operational contact your dealer who will be able to assist further a quickly get you back on the air Specifications Frequency 1 8 54MHz Power Model DDX 858 Delta DX Long Wire SNR Antenna 1000 Watts PEP SSB RF Connection UHF Plug PL 259 SWR Subject to frequency and configuration Personnel Requirements and Setup Time Less than 10 minutes Optional Accessories Counterpoise Kit The Counterpoise Kit is ideal for portable antenna deployment The system will create the ground plane needed to any vertical antennas and will also play the role of guy wires It contains four wire radials secured around plastic wire winders and four steel tent stakes Recommended non supplied accessories The following hardware is needed to attach the counterpoise wires to the matcher base Wide range antenna tuner required on certain bands Flashlight M ulti tool Throwing weight and string Mallet SWR Power M eter M ulti M eter 50 Paracord and Line Winder Counterpoise Wire s www antennaworld co za sales antennworld co za CAPE TOWN PHONE 0214392362 MOBILE 073528 4950
3. User Manual Model DDX 858 Delta DX Long Wire SNR Antenna Low Loss All Band HF amp 6 Meters No Coils 1KW Frequency Band s HF and 6 Meters Brand Delta DX Directivity Omni Directional Bi Directional Model Name DELTA DX LONG WIRE SNR Model Number DDX 858 FULL HF MULTI BAND VERSATILE DEPENDABLE STEALTH BUILT TO LAST LOW LOSS FAST DEPLOYM ENT HIGH POWER CAPABILITY LOW VSWR ACROSS THE SPECTRUM STAINLESS STEEL HARDWARE WATER PROOF LONG WIRE www antennaworld co za sales antennworld co za CAPE TOWN PHONE 021 439 2362 MOBILE 073528 4950 CAUTION FIRST AND FOREMOST NEVER TAKE CHANCES SAFETY ALWAYS FIRST Always install antennas securely so that there will be no risk of the antenna mast or hardware falling and hurting someone on the ground or worse Antennas and Power Line Safety Extract form an article Ref Chuck Kraly KOXM Power line Safety label You may have seen this label on a commercial antenna or other products If you did not take a moment to read it carefully Notice the word near Is your antenna near those power lines or could it be when unforeseen things happen How close is too close How close is near In this article Chuck Kraly KOXM attempts to inform you of the EXTREME DANGER posed by installing an antenna any antenna to close to power lines Now don t make the mistake and say that cannot happen with your antenna it is made from fiberglass or ot
4. alls toward a small tree that can t take it s weight the tree will fall INTO A POWER LINE the power line connects to the tree the tree is connected to the antenna or a portion of it and it is connected to you that domino effect just bit you like that rattle snake with a LETHAL BITE In short assume that the antenna or any portion of it including it S guy wires feed lines support etc WILL fall or break while you are putting it up near power lines If any power lines are within striking distance of ANY portion of the antenna or it guys support ropes etc you may wish for a split second that you had planned your life much better rather than being in a hurry and court disaster So far we have talked about vertical type antennas You should apply the above tips to ANY ham radio antenna or antenna installation no matter how it is designed how small or what it is made of Your antenna is your friend but it or any part of it could be your enemy Plan far ahead with these tips Let others know what you will be doing and not just the person or persons helping you All of you may need emergency care and no one may be able to call for it If you are not sure what you are doing get expert help Plan your steps as if your life and those around you depend on it Notify a family member or neighbor that you will be putting up the antenna Ask them to keep an eye AND an ear out for you HAVE EVERYTHING WELL PLANNED NO
5. e Stake using two Half Hitches or similar knot 10 Using a Bowline or similar knot tie a long length 50 feet or more of Paracord to the Insulator or Isolation Loop at the end of the Antenna Wire 11 Using a throw weight or some other method loop the Paracord over the support closest to the radio set 12 Pull the Paracord and end of the Antenna Wire over the support 13 Using a throw weight or some other method loop the Paracord over the other support 14 Pull the Paracord such that the Antenna Wire is not quite taut and secure it to the support using a Round Turn and two Half Hitches or similar knot 15 If using a counterpoise wire extend it along the ground under the antenna 16 Perform operational test 17 This completes deployment of the Inverted L configuration Troubleshooting 1 If using the Antenna Wire ensure Wire Connector is securely connected 2 Inspect Antenna Wire for breakage or signs of strain 3 Ensure UHF Plugs are securely tightened 4 Inspect Coaxial Cable assembly for cuts in insulation or exposed shielding Replace if damaged 5 If still not operational connect a Standing Wave Ratio SWR Power M eter and check SWR 6 If SWR is excessively high check antenna tuner or coupler using the technical manual or manufacturer s procedure Be sure to check the Coaxial Patch Cable that connects the radio set to the antenna tuner or coupler 7 If still not operational replace Coaxial Cable assembly
6. ea Look behind the trees or inside the foliage where they might be lurking just like a rattle snake hiding there waiting to strike Many times it s the power lines out in plain site that will get you or one of your helpers or all within its reach Then the SECOND thing you need to do is to get another pair of eyes from a helper to do the same thing LOOK again at ALL possible hiding places for the danger of power lines and remember it is the power line that you don t see or the one that you are not too concerned about that will terminate your fun ASSUME THE WORST WILL HAPPEN Now consider that most guyed antennas like verticals are supported on something It may be a metal mast on the ground a short metal tower with legs on the roof or a wooden pole or other supposed non conductive material Is it conductive to high voltage Would you bet your life or your help on not knowing for sure Assume that everything the antenna is mounted on AND EVERY THING it is connected to is conductive Don t gamble your life on the words I think it is non conductive Assume that the guy wires are conductive If one breaks and snaps back or accidentally slips out of yours or a helpers hand which direction will it likely go toward the power line If it is under much tension at all it will act like a whip Here comes Murphy s Law IT WILL go toward the direction of the power line Now assume a domino effect If your vertical f
7. h ends of the antenna wire as the frequency increases The Sloping Wire requires one support and should be mounted at a height of 25 to 40 feet for best performance A counterpoise wire with a length of 20 to 40 feet is recommended If a counterpoise is not used the coaxial cable must be 25 to 100 feet in length as the shield of the coaxial cable provides the counterpoise Site Selection and Preparation 1 Select a site to deploy the Model DDX 858 Sloping Wire configuration The site must have a support that will position the end of the Antenna Wire at a height of 25 to 40 feet If the right support is unavailable any convenient object such as a fence post or the top of a vehicle may be used as a field expedient support with reduced performance But always follow the safety precautions above 2 If not already attached connect a Carabiner to the Wire Connector end of the Antenna Wire Connect the Matcher Refer to steps 3 7 below 3 Temporarily remove the Antenna Shackle from the Antenna Connection 4 Place the Wire Connector from the Antenna Wire over the Antenna Connection and replace the Antenna Shackle Tighten the nut snugly 5 Connect the Carabiner from the Antenna Wire to the Antenna Shackle 6 If using a counterpoise wire connect it to the Counterpoise Connection Tighten the nut snugly 7 Connect coaxial cable the UHF Socket on the matcher Raise the Antenna 8 Using a Bowline or similar knot tie the end of a sh
8. her material which is an insulator you may be dead wrong Read on Most new hams are excited when they get their license and they want to get on the air as soon as possible Many of them have not given a thought to the actual installation of an outside ham antenna and the dangers involved other than getting it up as high as they can and having it fall on them If you don t read any more of this article then remember just this very simple statement when putting up any ham antenna If there is a power line including the drop line going to your house over under or within a thousand feet of the antenna IT could FALL AND hit your antenna and YOU while you are installing it Although the thousand feet is bit of an exaggeration PLEASE PLEASE follow the warnings ANYWHERE close is too close The most important thing you can do FIRST when installing an antenna is to LOOK before any part of that antenna tower mast or antenna support or any part of that antenna system ever gets off the ground This includes the guy wires what if suddenly one breaks and flies into a power line You or someone else is in contact with the mast or tries to stop the guy wire bang your dead The principle is very easy Go outside and consider every possible location for your antenna Then look at each possible location with the DANGER aspect added to it Where are the nearest power lines Are you in the open or are there trees in the ar
9. ort length around 4 feet of Paracord to the Carabiner from step 5 9 Drive a Stake into the ground near the location closest to the radio set and tie the Paracord from the Hybrid Base to the Stake using two Half Hitches or similar knot 10 Using a Bowline or similar knot tie a long length 50 feet or more of Paracord to the Insulator or Isolation Loop at the end of the Antenna Wire 11 Using a throw weight or some other method loop the Paracord over the support 12 Raise the end of the Antenna Wire to the desired height such that the Antenna Wire is not quite taut and secure it to the support using a Round Turn and two Half Hitches or similar knot Extend the Counterpoise 13 If using a counterpoise wire extend it along the ground in any convenient direction 14 Perform operational test 15 This completes deployment of the Sloping Wire configuration Inverted L Configuration The Inverted L configuration is a broadband short to long range HF antenna This configuration tends to be unidirectional favoring the horizontal end of the antenna It is also provides effective ground waves communication during the day time on frequencies between 1 8 4 0 MHz without using sky wave propagation The Inverted L requires two supports and should be mounted at a height of 25 feet for best performance Though it will provide good performance at a height of 10 to 20 feet and is usable when mounted as low as three feet One counter
10. poise wire with a length of 20 to 40 feet is recommended If a counterpoise is not used the coaxial cable must be 25 to 100 feet in length as the shield of the coaxial cable provides the counterpoise Site Selection and Preparation 1 Select a site to deploy the Inverted L configuration The site must have two supports that will position the corner of the L and the end of the Antenna Wire at a height of 25 feet If the right supports are unavailable any convenient objects such as fence posts or the tops of vehicles may be used as a field expedient supports with reduced performance 2 If not already attached connect a Carabiner to the Wire Connector end of the Antenna Wire Connect the Matcher Refer to steps 3 7 below 3 Temporarily remove the Antenna Shackle from the Antenna Connection 4 Place the Wire Connector from the Antenna Wire over the Antenna Connection and replace the Antenna Shackle Tighten the nut snugly 5 Connect the Carabiner from the Antenna Wire to the Antenna Shackle 6 If using a counterpoise wire connect it to the Counterpoise Connection Tighten the nut snugly 7 Connect the coaxial cable or to the UHF Socket on the M atcher Raise the Antenna 8 Using a Bowline or similar knot tie the end of a short length around 4 feet of Paracord to the Carabiner from step 5 9 Drive a Stake into the ground near the location closest to the radio set and tie the Paracord from the Hybrid Base to th
11. tachment hardware Porcelain Insulator The Insulator is permanently attached to one end of the Model DDX 858 Antenna Wire Connector Antenna Connection The Antenna Connection is located on the top of the Matcher It is a 3 8 x24 fine thread female fitting Counterpoise Connection The Counterpoise Connection is located on the bottom of the Model DDX 858 Matching unit It is a 3 8 x 24 fine thread male fitting with two nuts Optional counterpoise cables may be fitted and tighten between the two stainless steel nuts Antenna Shackle The Antenna Shackle assembly consists of a shackle bolt and nut It is attached to the top of the matching unit Carabiner The Carabiner is a removable pear shaped stainless steel hooks with a spring loaded gate Antenna Configurations Using the supplied components the M odel DDX 858 can be deployed in various configurations These are just some of the configurations that this versatile antenna system can be utilized for more options on request A SlopingWire with the long wire sloping upwards from the matching unit B Asaninverted Lusing the Long Wire C Asadipole in the field or base using an optional extra Long Wire Sloping Wire Configuration The Sloping Long Wire configuration is a broadband short to long range HF antenna It is designed to provide acceptable ground wave and sky wave propagation This configuration is predominately omnidirectional becoming slightly bidirectional towards bot
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