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321. [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 04:51:42 +0200
Meanwhile, back at Ten-Tec . . . I have just received an Argonaut 515 in fairly good shape, just needing a tune-up. However it does have one minor issue which has me stumped. On 80m I could hear lots
/archives//html/TenTec/2016-09/msg00060.html (8,633 bytes)

322. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 14:14:20 +0200
Gm Carl, It's the other way around by me. I leave it in "Normal" for all bands except 80m. On 80 I have to switch to Reverse. I have owned 4 pyjrt Argonauts including one other 515 and none of them w
/archives//html/TenTec/2016-09/msg00062.html (11,078 bytes)

323. Re: [TenTec] Other radios (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 15:29:08 +0200
Absolutely. How else are we to know or even Ten-Tec to know what we like? 73 - Rick, DJ0IP (Nr. Frankfurt, Germany) Personally I find it educational to see other radios compared to TT. Just my take,
/archives//html/TenTec/2016-09/msg00065.html (7,358 bytes)

324. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 16:58:14 +0200
I haven't taken the radio apart yet, Lee. Yes, the LSB pin has a direct connection to +12v through a pull-up resistor, and the mode switch grounds the pin for SB-R. Last time I worked on Argonauts I
/archives//html/TenTec/2016-09/msg00069.html (14,256 bytes)

325. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 18:00:07 +0200
Nice guess but I don't think so. The switch works on one band but not on the next. The bandswitch does not switch anything that has to do with mode, at least not that I can see. With the mode switch
/archives//html/TenTec/2016-09/msg00074.html (17,182 bytes)

326. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 18:00:53 +0200
I hope so. Then there is nothing to do except a good tune-up. 73 - Rick, DJ0IP (Nr. Frankfurt, Germany) I still say it is normal and SB-N on 80 meters is USB by design. Carl Moreschi N4PY 58 Hogwood
/archives//html/TenTec/2016-09/msg00076.html (18,056 bytes)

327. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 18:01:37 +0200
No such thing as a stupid question, Mike. Yes, ALL stations are on USB on 80m with the mode switch in SB-N. 73 - Rick, DJ0IP (Nr. Frankfurt, Germany) not to sound silly, but are ALL the stations on U
/archives//html/TenTec/2016-09/msg00077.html (9,999 bytes)

328. Re: [TenTec] ARGONAUT 515 problem (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Mon, 5 Sep 2016 18:10:17 +0200
The previous owner was in Tennessee so if he was running anything, it was probably moonshine! (hi) Nah, he is a normal ham. I know his name but can't recall his call sign nor email address. He has mo
/archives//html/TenTec/2016-09/msg00079.html (22,262 bytes)

329. Re: [TenTec] rick's recalcitrant 515 (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Tue, 6 Sep 2016 07:33:18 +0200
THIS MAKES SENSE! It is the only plausible thing that can be going on because from the logic standpoint, everything is switching as it should. That will be an easy fix, once I can make time, clean th
/archives//html/TenTec/2016-09/msg00088.html (8,965 bytes)

330. Re: [TenTec] rick's recalcitrant 515 (score: 1)
Author: "rick@dj0ip.de" <Rick@dj0ip.de>
Date: Wed, 7 Sep 2016 10:15:33 +0200
GM Steve, and all others of course. I am currently on a short holiday for a few days, hiking in the mountains near Munich with two YLs and a doggy - no radio. It will be several days until I can chec
/archives//html/TenTec/2016-09/msg00100.html (10,260 bytes)

331. Re: [TenTec] rick's recalcitrant 515 (score: 1)
Author: "rick@dj0ip.de" <Rick@dj0ip.de>
Date: Wed, 7 Sep 2016 10:25:54 +0200
Joe, are you sure you ordered that Chinese radio from a ham radio source. Sounds to me like you were on a different kind of web site! ;-) 73 Rick, DJ0IP --Original Message-- From: TenTec [mailto:tent
/archives//html/TenTec/2016-09/msg00101.html (11,494 bytes)

332. Re: [TenTec] Scads of used Icom IC-7300 (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sat, 10 Sep 2016 10:01:51 +0200
We had similar with the Eagle, especially right after the fire sale. The Eagle is not for everybody. There are lots of things to not like about an Eagle but receiver performance is not one of them. I
/archives//html/TenTec/2016-09/msg00117.html (14,220 bytes)

333. Re: [TenTec] Scads of used Icom IC-7300 (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sat, 10 Sep 2016 22:23:49 +0200
Well Gary, being as I've had my Eagle nearly 6 years now, you were slightly off on your year count for the Eagle. So that only re-enforces your argument. When you speak of the "receiver testing labor
/archives//html/TenTec/2016-09/msg00134.html (25,400 bytes)

334. Re: [TenTec] Scads of used Icom IC-7300 (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sat, 10 Sep 2016 22:38:24 +0200
As does the 6700, but NOT the 6300. As Jim pointed out, the biggest problem 'til now has been the UI, not the radio's performance. The Maestro has helped that quite a bit but it is not every man's cu
/archives//html/TenTec/2016-09/msg00137.html (12,497 bytes)

335. Re: [TenTec] Scads of used Icom IC-7300 (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 10:49:00 +0200
Gary, You bring up a couple of very good points which I would like to address, but it is not exactly in line with the subject line. I will start two new threads: 1. 16-bit dynamic range 2. IP3 and re
/archives//html/TenTec/2016-09/msg00148.html (32,265 bytes)

336. [TenTec] OT: Dynamic range of SDR Radios with 16-bit DAC (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 10:59:29 +0200
Response to Gary's comment: " How is it that a 16 bit A to D can now handle a dynamic range of 132 dB (in band)? " ANSWER: There are two parts to this, the first dealing directly with dynamic range,
/archives//html/TenTec/2016-09/msg00149.html (20,932 bytes)

337. [TenTec] OT: IP3 and Receiver Performance (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 11:58:55 +0200
This is in response to Gary's comments on IP3. "I do recall, however, his rather strident statement that IP3 is the most important trait in receiver performance which is why the radios are listed in
/archives//html/TenTec/2016-09/msg00150.html (12,680 bytes)

338. Re: [TenTec] IP3 vs. DR3 (IMD) confusion (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 17:56:28 +0200
Hi Duane, 40 years ago when all of this begin, we did focus on IP3. We didn't know better. Some time in the 90s the focus switched to DR3 which, as you say, is far more meaningful because we can shov
/archives//html/TenTec/2016-09/msg00160.html (9,671 bytes)

339. Re: [TenTec] OT: IP3 and Receiver Performance (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 22:33:01 +0200
Thanks for that post, Greg. Only Rob's last couple of years of Contest University (CTU) presentations are archived as videos. For previous years, just go to my web site and you will find all of his p
/archives//html/TenTec/2016-09/msg00166.html (16,997 bytes)

340. Re: [TenTec] OT: IP3 and Receiver Performance (score: 1)
Author: "rick@dj0ip.de" <Rick@DJ0IP.de>
Date: Sun, 11 Sep 2016 23:01:54 +0200
Gary, In a previous email I listed the 4 OM (hams) currently discussing how to test SDR. I suggest you send your recommendation to them. I am not qualified to say. In the case of the CD and optical d
/archives//html/TenTec/2016-09/msg00169.html (17,522 bytes)

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