[TenTec] Argonaut lost RX/TX on 160/80 meters
Gary - AB9M
glhuber at msn.com
Thu Jul 2 18:29:37 EDT 2015
Several of the locals and I use protection units formerly from I.C.E now
available from Array Solutions
(https://www.arraysolutions.com/Products/surge_arrestorAS-3xx.htm). I have
no association or financial connection of any kind with I.C.E. or Array
Solutions other than a satisfied customer.
73 & DX,
Gary - AB9M
-----Original Message-----
From: Stuart Rohre
Sent: Thursday, July 02, 2015 3:42 PM
To: tentec at contesting.com
Subject: Re: [TenTec] Argonaut lost RX/TX on 160/80 meters
A beam or wire antenna of half wave or less CAN build up a static charge
enough to do real damage to a radio left connected without protection.
You need to continually discharge the antenna across the gap in the
dipole, by resistive bleeders to earth. 150 K ohms, (150,000) from each
side, will look like an open circuit to RF going to a tuned dipole
element, but will keep charge from accumulating upon the elements and
discharging through the front end of the receiver.
Have seen this discharge using a neon bulb that fired at 65 volts, right
across the end of my feeder.
Stuart Rohre
K5KVH
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