6M9KHWA / M2 ANTENNA SYSTEMS
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36 990 Kč / kus vč. DPH (30 570 Kč bez DPH)
MSQUARE 50.0-50.4MHz; 14.8dBi; E34° H39°; 23dB F/B; SWR1.2 typ; Boom 15m; 24.5kg
Frequency range 50.0 - 50.4 MHz
Gain over a dipole 14.8 dBi
Front to back, Typical >23 dB
Beamwidth, degrees E=34° / H=39°
First sidelobe -18 dB
Stacking (Horiz Pol)) 30' W, 27' H
Input Connector 'N' Female
Power Handling 1500 Watts
Element Type 3/8 x .049" Tubing
Boom Length/dia /support 49' 4" / 1-1/2, 2 & 2-1/2" / Dacron
Wind Area / Survival 4.3 SQ. FT. / 100 MPH (0,43m2 / 180km/hod.)
Turning Radius 27.7"
Weight / ShipWt. 49 / 52 LBS
This antenna was inspired by Ray Grenier, K9KHW. Countless hours of computer optimization, range confirmation and on the air testing have resulted in a truly remarkable antenna. The 6M9KHW is capable of producing moon echoes when pointed at rising or setting moon and running the legal power limit. If you can hear your own moon echoes over a one half million mile path, just think what it could do for your signal on long haul tropo, meteor scatter or just an ordinary E or F2 opening. And for the adventurous, imagine what four would do.
The 6M9KHWA boom center sections are 2.5“ dia. & the rest of the sections all telescope in 1/2“ or 1/4“ increments. It will survive horrible conditions (100 MPH). This antenna is fed with a new hairpin design to optimize VSWR and new 1:1 balun, designed more rugged than the previous feed. Rugged 1/2“ X 40“ element center sections and 3/8“ dia. tips mounted on machined, “slip on“ element to boom clamps guarantees this antenna will stay up for years to come.