WebIn accordance with the present invention, a single shunt feed mechanism, including a single gamma section and a single impedance matching circuit, is employed to enable an antenna tower as an effective radiator in plural wave length bands without having to alter the upper tie point of the gamma section to the antenna tower. In one embodiment, the shunt feed … Webstart [285 TechConnect Radio Club -- NAØTC]
Methods to Shunt Feed a Tower - eHam.net
WebA second shunt, loads the system on 80m using a 25' top hat wire. The two hat wires are switched with a vacuum relay at the thrust bearing of the tower. I tuned the 160m with the … WebAny 160 meter mobile antenna will have very poor efficiency, perhaps as low as .3%. ... that antennas don't achieve gain in the usual sense. If you feed an antenna with 50 watts, ... (ground loss, shunt capacitance, etc.). The reason most antenna manufactures don't publish their Q ratings is simply because they're really low—in the 50 to 60 ... how do you get shoe polish out of carpet
Use Your Tower as a Dual-Band DX Antenna for 75/80 and 160 Meters …
WebThis purpose-built link-coupled, parallel matchbox is quite capable of coping with the high voltage and high current incurred on 160m when used with the short antenna shown above. Though limited to 100w of power, this … WebMar 13, 2024 · In 2010 CQ WW SSB, we worked 60 countries and 27 zones on 80 meters. “Good country count from this part of the world, especially on 80 meters!” says Dan W5XZ. … WebOct 25, 2024 · Cellular monopole towers with a slant or shunt feed have been a solution for AM broadcasters facing the same ... (θ) curves provided in the familiar Fig. 8 of FCC rules (47 CFR § 73.160 and 73.190). This also will model the ... The H&D drawing shows how the shunt feed is connected between the transmitter and the 150-foot ... phoholic south coast