[WVDXA] Question of the day
Greg Lee
w8gggreg at yahoo.com
Thu Feb 8 05:01:01 PST 2007
Pete,
not sure yet on 1 or 2. depends on what the gurus say... if the taller one will work better than the shorty, with a tuner....greg
Pstark <pstark at suddenlink.net> wrote: If the radials are on the ground, the length is not as critical as when they are elevated and isolated.
Simple answer: quarter wave plus a bit. As many radials as it takes to make the antenna tune sharp.
I have heard that at least 12 are needed but more is better. As for the difference in length, I do not know.
Maybe a design thing to make impedance work out properly. Most of the ground losses come close to the antenna, so
run some additional radials (short ones) in addition to the long ones. I don't think you will need radials for each band.
160 radials should work for 80 (unless elevated, then different story). Are you gonna put 2 verticals up?
Pete K4OM
-----Original Message-----
From: wvdxa-bounces at wvdxa.org [mailto:wvdxa-bounces at wvdxa.org]On Behalf Of Greg Lee
Sent: Thursday, February 08, 2007 7:33 AM
To: wvdxa at wvdxa.org
Subject: [WVDXA] Question of the day
My question is. I'm going to put up a vertical for 160/80 what length should my ground radials be. And should i have different lengths for each band?
Question two.
I have 2 verticals one is 65feet long(or close to it), and was told it was the 80 meter vertical. the other is a 53 foot (or close to it) and was told it was for 160. My question is. will the 65 foot work better on 160 with a tuner than the 53 foot.....what configuration would be my best way to go.
Come on you vertical guys help me out....Greg, W8GG
73,
GREG LEE, W8GG
15290 HANNAN TRACE ROAD
CROWN CITY, OHIO 45623
PHONE: 740-256-1181
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73,
GREG LEE, W8GG
15290 HANNAN TRACE ROAD
CROWN CITY, OHIO 45623
PHONE: 740-256-1181
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