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1. [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 14 Oct 2013 17:28:33 -0400
I am a new member of the amateur radio community, and my first HF rig is an Omni C. I was attempting to tune an antenna with a MFJ949E, with the mode select switch (SSB-R / SSB-N / CW / LOCK) switch
/archives//html/TenTec/2013-10/msg00209.html (9,109 bytes)

2. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 14 Oct 2013 19:26:08 -0400
Mike and John, Thanks for the replies. John -- I'll take a look at the drivers -- I'd rather it be them, but we'll see. I much appreciate the tuning tips. Being a newbie, I've yet to aquire all the g
/archives//html/TenTec/2013-10/msg00215.html (12,103 bytes)

3. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 14 Oct 2013 21:24:03 -0400
Scope on disconnected and terminated RF input line shows nice pretty sine wave which varies in amplitude with the drive control and by frequency with the appropriate controls. -- Paul
/archives//html/TenTec/2013-10/msg00224.html (15,111 bytes)

4. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 14 Oct 2013 21:26:48 -0400
And yes, I am testing on the LOCK position.
/archives//html/TenTec/2013-10/msg00225.html (9,482 bytes)

5. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 14 Oct 2013 21:58:45 -0400
-- Can you measure current 1amp or so ? Yep. --Break the red lead going into the pa and in lock measure current I am assuming with the RF IN reconnected. --How much rf did you see from driver --There
/archives//html/TenTec/2013-10/msg00227.html (9,772 bytes)

6. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 15 Oct 2013 12:23:20 -0400
Well... here is where I'm at: Checked the 914 diodes on the SWR board and sensing diode (D1) was bad (leaky reverse biased). A big smile. I replaced the offending diode, put everything back together,
/archives//html/TenTec/2013-10/msg00249.html (10,348 bytes)

7. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 15 Oct 2013 15:08:11 -0400
Before I go at it, any tips on desoldering the power transistors? My 35W iron is not up to the task unless I cut the foil leads beforehand. A bigger iron might be in my future.
/archives//html/TenTec/2013-10/msg00255.html (13,035 bytes)

8. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 15 Oct 2013 17:30:31 -0400
Try as I might my old Ungar iron and roll of SolderWick fight a losing battle against the leads. I've got a 70W digital-control solder station so I ordered a much heftier chisel tip element for it. T
/archives//html/TenTec/2013-10/msg00259.html (10,394 bytes)

9. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 15 Oct 2013 22:17:12 -0400
So here is the complete lowdown on parts: RFParts MRF458: $49 for 2 unmatched "low beta only" $59 for 2 matched Motorola Ebay MRF454: $70 for 2 unmatched -- china parts are marked "refurbished' not n
/archives//html/TenTec/2013-10/msg00268.html (12,953 bytes)

10. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Wed, 16 Oct 2013 12:49:43 -0400
Mike et al, Where I stand/sit/hop right now: I suffer from TMHS. For those of you unaware of the affliction, it stands for Too Many Hobbies Syndrome. As such I have to spread my resources among bicyc
/archives//html/TenTec/2013-10/msg00279.html (13,194 bytes)

11. Re: [TenTec] Omni C + new Ham = Oops. (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Mon, 21 Oct 2013 22:14:07 -0400
Well, my trusty 35 watt Weller/Ungar seems to have lost a lot of oomph over the last 20 years. There was no way it was up to the task of rebuilding the PA. So I ordered a 5mm wide chisel tip heater f
/archives//html/TenTec/2013-10/msg00374.html (8,818 bytes)

12. [TenTec] Omni C -- It's Alive! (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 22 Oct 2013 11:37:28 -0400
Much thanks to all who contributed to the thread regarding my OMNI C. I'll save you the long and whining road of my internal torment, but I ended up going with a matched pair of Motorola MRF458s (sam
/archives//html/TenTec/2013-10/msg00378.html (8,636 bytes)

13. Re: [TenTec] Omni C -- It's Alive! (score: 1)
Author: Paul Harker <paul.r.harker@gmail.com>
Date: Tue, 22 Oct 2013 15:07:40 -0400
A public thanks to N6KB Ken who reminded me that a separate bias procedure was needed for the finals. I had done the bias adjustment in the PA can, but that wasn't for the finals. Thankfully I had ye
/archives//html/TenTec/2013-10/msg00382.html (10,808 bytes)

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