
Frequency: 7, 14, 21, 28 MHz
Number of elements:
7 MHz – 3 el.
14 MHz – 4 el.
21 MHz – 4 el.
28 MHz – 6 el.
Gain dBd: 5,8 – 9,6 – 9,8 – 10,2
Front to back ratio dB: 21 – 22 – 22 – 20,4
Bandwidth for SWR 1,5:1 :
– 7 MHz: 200 KHz
– 14 MHz: 300 KHz
– 21 MHz: 300 KHz
– 28 MHz: 600 Khz
Maximal power SSB: 2000 W
Band change automatic
Boom lenght: 12 m
Longest element: 14,6 m
Radius of rotation: 9,2 m
Minimal antenna height over the building (roof): 12m
Minimal antenna height in (open space) over the ground: 15m
The clamb diameter 50 or 60mm for boom – mast bracket: 50mm or 60mm
Weight: 65 kg
https://www.sp7gxp.pl/index.php
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