Model GP 3-E Installation Manual - AIS e-shop
Contents
1. TYPICAL TUNING DIAGRAMS l Model GP 3 VHF Base Station Antenna 35 175 MHz mm GP 3E 1395 1374 L 1353 1332 1311 1290 6 02 014 1269 1247 1226 1205 1184 MHz 1184 1168 1152 1135 1119 1103 1087 1071 1054 1038 1022 NOTE t is recommended to use the curves as a guide and fine tune using an SWR Meter Installation Manual O Copyright SIRIO antenne Technical Data are subjected to change Printed in ITALY Rev 01 07 1998 Cod ID059 DESCRIPTION 5 8 Ground Plane base station antenna for land and marine service It works on the frequency range of 135 175 MHz by using the tuning diagram enclosed The matching coil is DC feeded for a perfect protection from the static discharges GP 3 E is made of non corrosive aluminium and assembled on a very strong base of die cast metal to get the maximun robustness and the best performance Tuning is easy by following the attached directions SPECIFICATIONS Electrical Data Type Frequency Range Impedance Radiation H plane Radiation E plane Radiation angle deg Polarization Gain Bandwidth at VS WR 2 1 V S W R at res freq Max Power Feed System Position Connection Mechanical Data Materials Wind Load Resistance Wind Surface Heigth approx Weig2. ht approx Mounting Mast TYPICAL S W R RESPONSE S W R Model CP 3 E 5 8 Ground Plane 135 175 MHz tunable by diagram 50 Q Unbalanced 360 Omnidirectional Beamwidth at 3 dB 67 18 Vertical 1 5 dBd 3 65 dBi 6 7 MHz at 135 MHz 1 2 1 200 Watts Transformer DC Ground Base UHF Female Aluminium Nylon 28Nat 150 Km h 150 Km h 0 02 m 1480 mm 570 gr 25 30 mm TYPICAL RADIATION PATTERN in E plane at 145 MHz File E 02 014 Scale linear File F 02 014 3 0 2g Z 2 6 24 22 20 1 8 1 6 1 4 1 2 1 0 131 5 135 IDO59 138 5 MHz 90 MOUNTING INSTRUCTIONS 0 CH eu LE
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