[HCARC] Phasing Antennas Such As A Vertical

Gary J - N5BAA qltfnish at omniglobal.net
Sun Jan 19 11:25:47 EST 2014


I one of these coming days will be buying one of Dr Jim’s 53 foot Hy-Gain Hy-Tower AV-18HT antennas.  As a vertical antenna it has no directivity.  I have a really small diameter (if you can conceive of a 3 legged triangular tower as having a diameter, but it gets the image across) that is 20 feet long and can easily support a mast section above it.  If this “Tower” were erected the right distance from the AV-18HT would it act as a reflector??  Does it need to be connected electrically to the AV-18HT to act as a reflector??  I assume the right distance is dependent upon wavelength desired. Does the reflector have to be absolutely identical to the driven antenna??  Would a 30 foot steel pipe 2 inches in diameter also act as a director on one or more frequencies of the tower??

For Robert Russell – Having dogs I am glad that the critters that dig up my flower and veggie beds looking for grubs are the armored kind vs the black and white striped variety.

W1AW/0 was on 20 meters about 2345 Z last night.  I now have Nebraska in the log.

Gary J
N5BAA


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