Topband: My beverage only hears static?
Lloyd - N9LB
lloydberg at charter.net
Sat Jan 13 18:10:10 EST 2018
A couple of thoughts...
5 clip-on ferrites is extremely insufficient at 160m, get some small
diameter coax and large toroid core for decoupling.
http://audiosystemsgroup.com/RFI-Ham.pdf
http://www.karinya.net/g3txq/chokes/
Set up your beverages as reversible. The ability to switch between forward
and reverse will tell you a great deal about your environment and is a good
day-to-day indicator of the correct or incorrect functioning of the
beverage.
73
Lloyd - N9LB
On Fri, Jan 12, 2018 at 2:44 PM, terry burge <ki7m at comcast.net> wrote:
> I put up my first beverage recently. It's about 550-600 feet of 17
> gauge electric fence wire running to the north about 6-7 feet high.
> Not terminated right now but using a beverage transformer I purchased
> on qth.com and have not put on the termination yet. Using a 5'
> galvanized ground rod at the transformer and 75 ohm RG-6 surplus I got
> about 35 feet to my K-3 Elecraft thru an Array Solutions frontend
> protector to the RX antenna connection.
>
> All I get is S-5 static on the beverage. Even the strong stations
> barely make a ripple of noise. Is this right?
>
> I added some clamp on ferrites to see if the Common Mode Noise would
> be cut down but after putting 5 on the RG-6 coax there is no
> difference. Just that S-5 static level on any band 80/40/20/etc. Right
> now I'm listening to P49MR on 14.250.0 Mhz and his 57 signal does not
> even come thru on the beverage when I switch to RX antenna?
>
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