The MB8 15-20 SF is a fullsize antenna for 14 MHz and 21 MHz. No traps or adapting systems where used to obtain fantastic performances and the best bandwidth. The feed is direct trought 2 separate 50 Ohm cables.
Suitable fot lift towers with side up to: 130 cm / 4,2 ft
Specification
Gain: 14.5 dBi (15m) / 13.0 dBi (20m) *
F/B ratio: 20.0 dB (15m) / 20.0 dB (20m)
SWR: best of 1:1.5 (15m) / 1:1.5 (20m)
Active elements: 4 (15m) / 4 (20m)
Longest element: 11,00 m / 36,1 ft
Boom lenght: 10,00 m / 32,8 f
€ 1.800,00
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News
Clear Frequencies Requested for Storm Emergency Traffic
FAA Reauthorization Act Language Serves to Exclude Vast Majority of Amateur Radio Towers
HWN, WX4NHC at National Hurricane Center to Activate for Tropical Storm Barry
Hurricane Watch Net Keeping Close Watch on Tropical Storm Barry
IARU President Offers Assurances Regarding French 144 – 146 MHz Allocation Proposal
Chinese CAS-7B Satellite Carrying an FM Transponder to Launch
Excerpts from RSGB President’s letter to Ofcom regarding 144-146 MHz
Report: California Earthquakes Disrupted HF Propagation on West Coast