WebNormally, a dipole for 160 meters requires at least 260 feet of horizontal space, plus supporting ropes at each end. Furthermore, it is usually installed much too close to the … WebFeeding the 160 m dipole at 22.5% from one end is as good a starting point as any to start experimenting with, ... A 25% offset feedpoint will not allow use of the 80 M OCFD on 20 M and 10M for the same reason. ... "Loaded" Dipole. All-Band OCFD. HOA HF Vertical. NVIS dipole. 10M Antenna. 160M End-Fed. 160M Windom. Carolina Windom. HF Vertical.
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WebThere are 3 configurations. Each model resonates at the low end of the respective 160, 80 or 40m band: Part Number Length in Feet Band Coverage DXE-WA-260 260 160m to 10m DXE-WA-135 135 80m to 10m DXE-WA-70 70 40m to 10m Specifications All DX Engineering Multi-Band Dipole Antennas are usable from their lowest resonant … WebTHIS DESIGN IS FOR ALL BAND USE.... 160 THRU 10 using a Tuner!. ... This design allows a ham to use this array on all bands 10m through 160m, on 160m the swr bandwidth is pretty narrow.. ... (dipole, extended … エクセル vba set 変数
The Classic W7FG Multi Band Open Wire Fed 600 Ohm Ladder Line Dipole ...
Webinsulators (U.S. Patent No. D534905). All hardware is stainless steel. Dipole Models There are 3 configurations. Each model resonates at the low end of the respective 160, 80 or … WebMar 8, 2024 · For example, a 40m antenna may be usable on 20m, 15m, and 10m, while an 80m antenna may be usable on many of the bands above 7 MHz, even if the resonances don’t line up exactly with the band edges. The Off-Center Fed Dipole (OCFD) places the feedpoint typically between 20% and 40% of the way in from one end: the feedpoint … http://www.hamuniverse.com/hfdoublet.html エクセル vba set