Topband: Covered /bare antennn wire
Bruce
k1fz at myfairpoint.net
Thu Nov 15 16:35:25 EST 2012
Good point Mike, but I am hoping someone has done definitive testing
between
insulated and un-insulated wire concerning voltage build up. If the
voltage
is lower with insulated wire there is less to bleed off, and possibly lower
noise activity.
http://www.qsl.net/k1fz/beveragenotes.html
73 Bruce-K1FZ
----- Original Message -----
> From: "Mike Waters" <mikewate at gmail.com>
> To: "topband" <topband at contesting.com>
> Sent: Thursday, November 15, 2012 9:56 AM
> Subject: Re: Topband: Covered /bare antennn wire
>
>
>> Why not prevent the static buildup in the first place? I use 33K
>> resistors
>> from each wire to ground. Schematic is at
>> http://www.w0btu.com/Beverage_antennas.html .
>>
>> The components in parallel with the 33K resistors are 90 volt gas
>> discharge
>> tubes, and the resistors are to prolong the life of those GDTs.
>>
>> 73, Mike
>> www.w0btu.com
>> _______________________________________________
>> Topband reflector - topband at contesting.com
>>
>
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