[TenTec] Argo V RF issues

Rick at dj0ip.de Rick at dj0ip.de
Fri Jan 15 08:35:07 EST 2021

Before you dig into the radio, if you haven't already done so, place a good
RF choke between the radio and the coax.
You can try the WIREMANN Model 8231:

Or, wrap 15 turns of RG-58 thru and FT-240-43.

73 - Rick, DJ0IP
(Nr. Frankfurt, Germany)
May the Sunspots be with Us!

-----Original Message-----
From: TenTec <tentec-bounces+rick=dj0ip.de at contesting.com> On Behalf Of Dirk
Sent: 15 January 2021 14:09
To: TenTec at contesting.com
Subject: [TenTec] Argo V RF issues

Hello all,
I have a Ten Tec 516 that has RF getting into the signal on SSB and CW. A
buddy of mine thinks he has the problem tracked down but we need some
information on some of the parts. Here is what he said:

"I'm pretty sure the problem has something to do with the RF choke on the PA
(maybe shorted?). Think it's L6 (schematic blurry). Don't think it's
L2-4 as seems to be too much RF getting on the power line.  I can figure out
the number of turns and  gauge wire but not sure of the core material (type
43?).  Can't find any information on that part.  Even if I knew the
inductance I could reverse engineer it  from there.

Just wondering, even though this is old and Ten-Tec has changed hands, if
they would have info  on L1-8 on the PA board?  Might as well get all the
coil info, just in case."

Anybody have that information? I feel like we are so close. I am going to do
cartwheels if we can finally get the rig going.

Thanks guys!
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