G5rv Attic Antenna

The 102 foot long g5rv was not actually invented by g5rv.

G5rv attic antenna.

Like other hams he was anxious to get on the air following the wwii ban on amateur radio operation. The g5rv multiband wire hf antenna provides a very convenient cost effective multiband antenna solution for hf ham radio communiations and as a result it has been popular for many years. G5rv published changes to the basic 102 80 20m antenna to optimize it for coaxial feed on 20 meters. This is a much much better performer than the heavily marketed g5rv.

It s a long way from the rabbit ear designs you might think of when picturing indoor antennas and much cooler looking than the metal contraptions often found outdoors. Marc n4ufp and i get together to talk about build and test the zs6bkw antenna. The g5rv antenna is based upon the doublet antenna concept and it was designed by louis varney who held the amateur radio callsign g5rv. Power isn t actually radiated equally all over the antenna.

Over time changes have been made to tweak operation as a multiband antenna. The junior version from mfj that covers 40 meters through 10 meters on the ham bands. Far back as the 30 s as an all band antenna. With the antenna in your attic you aren t even in the far field of the antenna.

You can see it s clear of metal objects and the ladder line goes off to the right at a 90 degree angle. Louis varney g5rv invented the antenna in 1946 after leaving the military. There will be hot spots and cold spots. This was installed at a previous qth i will be the first or millionth remember i m from fl to affirm that the antenna is the determining factor for success when it comes to one s station set up.

Calculating the actual fields is really hard. Mac af4ps fp 51 note. The better your antenna the more success you will have making contacts. Antenna mounted as high as practical.

The infamous attic dipole. Ground reflections and also any wiring in your house may reflect distort or focus the field making more hot spots.