The Flatlanders end fed half wave is a compact portable antenna with a built in reel for the radiating element. It is designed for no tune operation on 40, 20, 15, and 10 meter bands and can be used with a tuner on 30, 17, and 12 meters. The antenna comes fully assembled for a ready to go out of the box deployment.
Flatlanders Mirrors Etsy shop: https://www.etsy.com/shop/FlatlandersMirrors
EFHW 40-20-15-10, 100W, No Tuner, End Fed Half Wave Antenna
https://www.etsy.com/listing/1557846390/efhw-40-20-15-10-100w-no-tuner-end-fed
So what makes this antenna different? There are two key features , well maybe three, depending on how you look at it. First, the antenna comes fully assembled and the wire is loaded onto this 3D printed reel, for easy deployment and recovery. Second, this antenna uses the larger Fair-Rite 43 mix core in an autotransformer winding for better power handling. Yes, you can do 100 watts phone or digital with this antenna. And finally, Mike solves the frequency alignment issue common with end fed antennas. There is an additional capacitor and resistor combination added to the radiator at about 21 feet from the feed point end of the antenna to help keep the frequency dips in line with upper amateur radio bands.
The Flatlanders end fed half wave antenna is designed for no tune operation on 40, 20, 15, and 10 meter bands and can be used with a tuner on 30, 17, and 12 meters. The antenna comes fully assembled for a ready to go out of the box deployment.
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Graphical contact map provided by: https://www.qsomap.com/
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Timestamp
00:00:00 FlatlanderMirrors End Fed Half Wave Antenna
00:02:34 EFHW antenna specs
00:04:33 Deployment
00:05:42 On the air
00:09:11 My thoughts on this antenna
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