WebAn antenna that is physically close to the right wave length (1/4 wave, 1/2 wave, or 5/8th wave) on the frequency you want to operate on will perform better (have less signal loss) than a shorter antenna. While it's inconvenient to carry around, a 14-15 inch "gain" antenna can help in many cases where a 4-8 inch stock duck can't be heard. Webcalculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies. Bazooka Calculator Calculate Double bazooka for …
Antenna Calculator - Ham Radio Secrets
Web440 Mhz J-Pole Antenna plans. Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated … WebA half-wave FM antenna can provide clear radio reception from local and distant stations. In comparison to a factory antenna that may come with your FM stereo receiver, a half … egan subscription box
Ham Antenna Fits Almost Anywhere Hackaday
WebMobile Dual Band VHF/UHF Antenna-- Homebrew Project from VE3RGW Mobile HF Antenna By HB9ABX 10-80m MOBILE HF MULTIBAND ANTENNA PROJECT - From Mark D. Lowell, N1LO Moxon Antenna Projects-- 17M and 20M Via KD6WD. About Mobile Dual-Band 2m/440 -- Roger K6XQ advises-Can I build a 2m/440mhz 5/8 mobile antenna? A … WebAn antenna can be as simple as a piece of wire (quarter wave monopole for instance or a half wave dipole for another example): - The monopole (for instance) will receive any frequency but is inherently better at producing a stronger signal at one particular frequency and, as the name suggests, this frequency is at a quarter wavelength of the RF wave to … WebMobile Dual Band VHF/UHF Antenna-- Homebrew Project from VE3RGW Mobile HF Antenna By HB9ABX 10-80m MOBILE HF MULTIBAND ANTENNA PROJECT - From … 700 amateur radio topics - 6,000 links & 133 pages - from antennas to zones egan technologies