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eHam.net Forum : MobileHam : Problems with cold weather and screwdriver antenna Forum Help

1-3 of 3 messages

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Problems with cold weather and screwdriver antenna Reply
by N7LEQ on November 3, 2002 Mail this to a friend!
I have a new screwdriver antenna and the Am-Com controller. All is grounded and tunes fine on all bands until the weather turns cold (30 deg F and below ). The antenna wonders up and down but will not find resonates. The controller seems to work fine in hot or cold conditions. As soon as the sun shines on the antenna for a while ( 15 to 30 minutes ) it tunes fine. Any body else have this problem and is it inherent for this type of antenna. PS I have check the antenna for mosture problems and have none.
email is mchardtke@attbi.com
 
RE: Problems with cold weather and screwdriver ant Reply
by K0BG on November 4, 2002 Mail this to a friend!
Sounds like a moisture problem to me. You might want to take the coil cover off and take a look to see is it is moisture.

You didn't say which screwdriver you have, but some of the various makes use inferior fingerstock adding insult.

Alan, KØBG
 
RE: Problems with cold weather and screwdriver ant Reply
by CWTITAN on August 22, 2003 Mail this to a friend!
BEEN RUNNING DON JOHNSON AND BB-3 STYLE SCREWDRIVER ANTENNAS FOR 11 YEARS AND 1000S OF MILES. NEVER HAD THE PROBLEM. SOUNDS LIKE MOISTURE THO.
 

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