Model GPA 27-45 GPA 27-45 Installation Manual
Contents
1. TYPICAL TUNING DIAGRAMS i Model GPA 27 45 mm GPA 27 45 Ground Plane Antenna 27 45 MHz 2680 2613 2547 2480 2414 2347 2280 2214 2147 2081 2014 mm GPA 27 45 G 01 005 NOTE a e itis 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 31 07 1997 Cod ID174 gu M H EER DESCRIPTION 1 4 X Ground Plane antenna for base station service working on 27 45 MHz by means of the tuning diagram enclosed It is entirely made of non corrosive aluminium and assembled on a strong die cast base which allows an easy and safe installation assuring very good performances Electrical Data Type Frequency Range Impedance Radiation Polarization Gain Bandwidth at VS WR 2 1 VS W R at f res Max Power Feed System Position Connection Mechanical Data Materials Wind Load Resistance Wind Surface Height approx Weight approx Radial Length approx Mounting Mast SPECIFICATIONS 1 4 Ground Plane 27 45 MHz tunable by diagram 50 Q Unbalanced Omnidirectional Vertical O dBd 2 14 dBi 2 5 MHz at 27 MHz lt 1 22 1000 Watts Direct Center UHF Femal2. e Aluminium Chromed Brass Nylon Stainless Steel 126 N at 150 Km h 130 Km h 0 11 m 4730 mm 1250 gr 2680 mm 35 40 mm TYPICAL S WR RESPONSE S W 3 0 R 2 8 Ex 2 6 24 2 2 2 0 1 8 1 6 1 4 1 2 1 0 7 254 1D174 27 28 6 f MHz MOUNTING INSTRUCTIONS c S NL
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