With the increase of UHF/VHF frequency spectrum it was necessary for Radio Structures to design this particular antenna due to the demand in interference detection, surveillance and navigational - directional finding systems.

ELECTRICAL & MECHANICAL SPECIFICATIONS

Gain over 1/2 wave dipole  7.5 dB
V.S.W.R. Better than 3.1 over the operating band
Bandwidth 70 - 500 MHz
Input impedance 50 Ohms
Front to back ratio 22 dB
Polarisation Vertical or Horizontal
Half power beam width @ 100 MHz E plane  58 degrees     H plane   65 degrees
Connection N-Type socket and PVC sleeve
Support boom 1 1/4" x 12 swg aluminium alloy tube - HE30TF
Radiating elements 1/2" x 16 swg aluminium alloy tube - HE30TF
Castings Kemloc aluminium alloy
Insulator Black carbon polyethylene
Nuts & bolts 18/8 stainless steel and A2 Nyloc nuts
Length 2.7 metres
Weight 17 kgs complete with fixing clamps
Windloading 41.0 kgf  @ wind velocity of 160 kph

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Radio Structures Ltd - Antenna

VHF Antenna - UHF Antenna - Antenna Array - Log Periodic Antenna - Corner Reflector Antenna - Colinear Antenna - End Fed Dipole - Yagi Antenna - Centre Fed Dipole - Down Fire Antenna

Tel: 01604 790005 - e-mail: sales@radiostructures.com