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Total 4 documents matching your query.

1. [TenTec] Argo 509 chirp (score: 1): Author: Haney Howell <haney.howell@gmail.com>; Date: Sun, 12 May 2013 23:57:06 -0400; Delighted with my newly found 509. Only gig is a bit of a chirp (although I suspect it helps to stand out in the clutter)! Any hints on troubleshooting this gem? Haney Howell K2XN ___________________; /archives//html/TenTec/2013-05/msg00053.html (7,229 bytes)
2. Re: [TenTec] Argo 509 chirp (score: 1): Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>; Date: Wed, 15 May 2013 15:56:15 +0200; What are you powering it from? Check the +8v regulator and make sure it is a constant 8v all the time. 73 Rick, DJ0IP Delighted with my newly found 509. Only gig is a bit of a chirp (although I suspe; /archives//html/TenTec/2013-05/msg00054.html (7,430 bytes)
3. Re: [TenTec] Argo 509 chirp (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Wed, 15 May 2013 17:47:05 -0500; Check your power filter capacitors, (electrolytics) for aging and loss of capacity thus causing voltage variation when the rig is keyed. A scope is good to look for excess ripple on the DC which the; /archives//html/TenTec/2013-05/msg00067.html (7,526 bytes)
4. Re: [TenTec] Argo 509 chirp (score: 1): Author: Ed - K9EW <k9ew57@gmail.com>; Date: Wed, 15 May 2013 18:14:51 -0500; If you can't track it down from the other suggestions, try keying the TX with a straight key connected to the key jack. I found a keying problem on another Ten-Tec rig than needed a really solid grou; /archives//html/TenTec/2013-05/msg00070.html (8,350 bytes)

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