Racal Antennas type 943 VHF log periodic array has been designed for a range of applications including tactical surveillance, monitoring, electronic countermeasures and point to point communications. Rugged in construction it is quick and easy to assemble and ideal for tactical use where severe environmental conditions may exist. Vertical or horizontal modes of operation can be chosen and very similar radiation patterns are produced in both orientations. Mechanical fittings are of stainless steel construction and the boom section insulators are manufactured from glass-reinforced polyester. The complete antenna is finished in olive green drab paint. A carrying bag is supplied for antenna storage and transportation.
Frequency Range
28-100 MHz
VSWR
< 2:1 80% of the band 30-100 MHz
< 3:1 28-30 MHz
Input Impedance
50
Power rating
1 kW CW
Gain
4-6 dBi
Beamwidth (typical)
E Plane ... 80
H Plane ... 120
Polarisation
Vertical or Horizontal
Connector
N Type Socket
Element Span
3.8 m
Boom Length
4.2 m
Weight
Antenna ............ 21 kg
Carrying Case ... 19 kg
Wind Area
0.8 m
Max Wind (Survival)
45 m/s (no ice)
Mounting Configuration
40mm spigot
Temperature Range
Storage ........ -40C to +55C
Operational ... -30C to +55C