Barrett SB257
Automatic Tuning HF Antenna
Very Similar to Codans "Moonraker".
Specifications
Frequency Range 2 - 30Mhz
Tuning time 10 seconds typically
Centre Loaded principal
Infinite number of channels available
100Watts PEP power rating
Tune 2Amps @12vdc
Brake current 130mA
Control interface installed internally inside SB250RC transceiver
50 ohms, VSWR better then1.8:1
Mounting 1/2" BSW Stud
Supplied with 5m of control cable
Aerial pre-amplifier for scanning purposes
Weight 4.5Kg