That could be true, but for several years my inverted L (86 feet up and 68 feet out, over 1.5 miles of in-ground radials) is significantly less noisy on receive than my 270-foot center-fed dipole sloping (intentionally) from 83 feet to 7 feet.
Your comments please. 73, Charles, W2SH ________________________________ From: Topband <[email protected]> on behalf of Rob Atkinson <[email protected]> Sent: Saturday, September 16, 2017 8:40 AM To: Arthur Delibert Cc: [email protected] Subject: Re: Topband: RF choke/balun Unless you like listening to noise you don't use an inverted L on 160 (or 80) for receiving. Rob K5UJ On Sat, Sep 16, 2017 at 6:58 AM, Arthur Delibert <[email protected]> wrote: > I think that’s right if the only issue is your own transmit signal bouncing > back from the antenna junction and traveling along the exterior of the > feedline. But for receiving, I think a choke at each end of the feedline is > important unless you’re in an exceptionally low noise location. K9YC > recommends putting a choke at the antenna end of the feedline, and I’ve > found it makes quite a difference in the amount of local noise on the > received signal. If I understand it right, the outside of the feedline > picks up the noise signal and carries it to the antenna junction, from where > it gets mixed in with the desired signal. > > > > _________________ Topband Reflector Archives - https://nam03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.contesting.com%2F_topband&data=02%7C01%7CRaymondParkII%40msn.com%7Cab5896cef8ad4d8ce1d608d4fd0084cc%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636411626045596855&sdata=A99f%2FUw%2F7xMpBsGE08ZPLo0nLOMaD%2FeinwO1OCyCkWw%3D&reserved=0 _________________ Topband Reflector Archives - http://www.contesting.com/_topband
