WebAug 8, 2024 · Issues with high SWR on HF Kits EFHW 49:1 UnUn kit. 1. Can fanned/parallel endfed antennas be used to get higher gain in some directions? 7. Are "end-fed" antennas really more multi-band than dipoles? Hot Network Questions Why vapour pressure do not depend on surface area of liquid and volume of liquid? WebBelow are some photos of an experimental setup for 20m that helped me understand what is going on with end fed half wavelength antennas. I first adjusted the LC circuit using a …
EFHW Counterpoise : r/amateurradio - Reddit
WebJun 9, 2024 · The end-fire direction nulls are obliterated to a considerable extent. However, this may not be entirely true when either a Dipole or an Inverted V for HF bands might be installed at far lower heights as found in the case of a large number of amateur radio installations. Under these circumstances, both these antennas behave quite similarly. WebThe following data are for the far field radiation patterns and 3D color views of an End Fed Half Wave Inverted-L antenna with a long, straight radiator at 40 feet and feed point … ranger towing services llc
AA5TB - The End Fed Half Wave Antenna
WebFeb 15, 2024 · With the antenna oriented along a N/S line it will cover pretty much everything from the northeast to the southeast and from the southwest to the northwest pretty much evenly. This allows coverage of Europe, … WebSep 17, 2024 · Whatever it is it works surprisingly well...especially on 80m! I have added the NanoVNA charts. Today I also raised the lower end of the antenna up to about 7 feet above ground. Note, these are WITH the wires. And these are without the wires: 3.9 to 29MHZ WITHOUT wires 1.8 to 10.5MHz WITHOUT wires antenna efhw Share Improve this … WebThe EFHW antenna is one of amateur radio’s oldest antenna designs. EFHW stands for “End Fed Half wave” and was first introduced way back in 1927 by the Austrian radio amateur, Dr. Josef Fuchs, ... direction of propagation as with plane waves. Installation Steps 1. Survey the size of your available yard space, take into an account trees ... owerri to lagos