ATAS120 screwdriver antenna top hat test (#1152) - QRZCQ

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2024-11-21 11:16:37 UTC

Top cluster calls:

	II8RCAS		17m
	3D2Y		17m
	IR0RCAG		20m
	IR8RCTZ		40m
	A71A		10m
	OX7AM		20m
	E51SGC		17m
	EA7IXM		10m
	EA4AVM…		40m
	IR1RNOV		15m
	EH2EUS		20m
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	IR3RMBL		10m
	AM50URT		12m
	EA4DON…		40m
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	II7RMOL		20m
	II3RGOR		20m
	II1ALBA		15m
	ZF2MJ		15m
	EA1BJE		40m
	IR0RPER		20m
	S55G/P		20m
	CT9/DL…		10m
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	II9RACI		15m

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Ham Radio Videos

• ATAS120 screwdriver antenna top hat test

Added at 2014-02-19 11:44:46

by DO7FOX, 1324 views

I quickly formed some copper wire into a rough top hat to see what effect it would have on the Yaesu ATAS120 screwdriver antenna.
Surprisingly it still tuned all bands from 40m to 10m (except 12m).
This is a quick and dirty prototype and a better one is on the way.
SWR range with six random elevated radials is 1.15 to 1.30 on 40m to 10m.

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