With the increase of UHF frequency spectrum it was necessary for Radio Structures to design this LPA650 Log Periodic  antenna due to the demand in interference detection, surveillance and navigational - directional finding systems.

ELECTRICAL & MECHANICAL SPECIFICATIONS

Gain over 1/2 wave dipole  8 dB
V.S.W.R. Better than 2.1:1 over the operating band
Maximum input power rating 200 Watts
Input impedance 50 Ohms
Front to back ratio 23 dB
Polarisation Vertical or Horizontal
Half power beam width E plane  46 degrees     H plane   56 degrees
Connection RG58  fitted with N-Type plug and PVC sleeve
Support boom 3/4" x 16 swg aluminium alloy tube - HE30TF
Radiating elements 3/8" aluminium alloy tube
Castings Kemloc aluminium alloy
Insulator Black carbon polyethylene
Nuts & bolts 18/8 stainless steel and A2 Nyloc nuts
Weight 3.2 kgs complete with fixing clamps
Windloading 11.0 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