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1. [TenTec] Orion, Jupiter frequency stability (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 31 Mar 2005 02:10:32 -0800; I was reading the Elecraft reflector and followed a pointer to the Air Force MARS website where they have a list of what radios are MARS-compliant and what ones aren't. No Ten-Tec amateur rig is list; /archives//html/TenTec/2005-03/msg00795.html (9,038 bytes)
2. RE: [TenTec] TT (Orion) Future improvements!!! (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Mon, 14 Feb 2005 03:04:38 -0800; It's too bad that more hams didn't stop by Ten-Tec, but I think there are several reasons besides technical inability among current hams: * Most of the other companies (especially the Japanese compan; /archives//html/TenTec/2005-02/msg00329.html (14,040 bytes)
3. RE: [TenTec] TT (Orion) Future improvements!!! (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Mon, 14 Feb 2005 03:15:20 -0800; How can a color screen on an Orion push the cost up $500 or more? I can buy a brand-new Palm PDA with a 320x160 color LCD with thousands and thousands of colors for less than $500, and you really on; /archives//html/TenTec/2005-02/msg00330.html (11,402 bytes)
4. RE: [TenTec] TXCO unit (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Wed, 3 Nov 2004 22:39:21 -0800; The BFO oscillators don't drift on receive, but try transmitting for a minute or two using a full duty-cycle mode (like PSK) and watch your rig drift. Sure, it's within Ten-Tec specs and you'll never; /archives//html/TenTec/2004-11/msg00111.html (9,467 bytes)
5. RE: [TenTec] TXCO unit (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Wed, 3 Nov 2004 22:44:06 -0800; Someone with more electronics knowledge than I (just about anyone), please explain the following: * How would one design a xtal-based oscillator that uses a PLL to slave itself to a master oscillator; /archives//html/TenTec/2004-11/msg00112.html (8,773 bytes)
6. RE: [TenTec] TXCO unit [OT] (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 5 Nov 2004 11:31:36 -0800; Are you saying that having PLL control over the BFO xtals would increase phase noise? How? - jgc John Clifford KD7KGX Elecraft K2 #1678 /KSB2/KIO2/KBT2/KAT2/KNB2/KAF2/KPA100 Ten-Tec Omni VI/Opt1, Ce; /archives//html/TenTec/2004-11/msg00128.html (8,643 bytes)
7. RE: [TenTec] TXCO unit [OT] (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 5 Nov 2004 17:13:15 -0800; Well, we're talking about steering crystal oscillators which are being pulled by trim capacitors anyway. I don't understand how having the 'pull' controlled by a PPL would add much noise to the syste; /archives//html/TenTec/2004-11/msg00133.html (11,654 bytes)
8. RE: [TenTec] open source (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 23 Sep 2004 21:40:00 -0700; What needs to be done is this: Ten-Tec needs to rewrite/adapt their souce code so that it can be customized by the user. How? Perhaps by allowing the user to write various subroutines with published; /archives//html/TenTec/2004-09/msg00645.html (10,228 bytes)
9. RE: [TenTec] open source (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 24 Sep 2004 09:32:20 -0700; Re people screwing up their radios... just download the original (TT-supplied) firmware. You're up and running! Re releasing all of the software as open source... I'm against this. Instead, re-read m; /archives//html/TenTec/2004-09/msg00657.html (8,879 bytes)
10. RE: [TenTec] Please tell me about the TT Omni VI+ (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Wed, 29 Sep 2004 00:38:42 -0700; I have an Omni VI/Opt1, which is a VI with the VI+ firmware but without the extra 9 mhz filter position. It has through-hole componentry. It is a great radio and, as other posters have mentioned, the; /archives//html/TenTec/2004-09/msg00793.html (10,329 bytes)
11. [TenTec] Jupiter/Orion freq stability... (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 30 Sep 2004 01:11:25 -0700; I know that the Argonaut has a TXCO option, but does this come standard on the Jupiter and Orion? On the Omni VI and VI+, the BFO board xtals are not tied into the 10 Mhz reference xtal and are a sou; /archives//html/TenTec/2004-09/msg00839.html (8,978 bytes)
12. RE: [TenTec] Omni VI+: ZERO drift (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 2 Jul 2004 22:21:29 -0700; Look thru the archives for the exact crystal numbers I used if you are upgrading an Omni VI, or VI Opt1 or 2. It's not just the crystal freq, it is also the ability to be able to 'bend' the crystal v; /archives//html/TenTec/2004-07/msg00053.html (8,648 bytes)
13. RE: [TenTec] Why is the Jupiter better? (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Wed, 7 Jul 2004 11:43:23 -0700; Well, the built-in tuner from Icom is nowhere near as capable as the LDG-supplied autotuner in the Jupiter. The Icom's tuner (I believe) only matches a 3:1 or better SWR, while the LDG will do 10:1.; /archives//html/TenTec/2004-07/msg00146.html (10,471 bytes)
14. RE: [TenTec] Ebay (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 16 Jul 2004 10:53:47 -0700; What you could have done was to cancel your bid... if you knew about the shilling before the auction ended. THAT would really screw over the jerk. If I were you, I'd refuse to pay the higher price...; /archives//html/TenTec/2004-07/msg00481.html (7,628 bytes)
15. RE: [TenTec] OMNI VI+ BFO Brainteaser (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Fri, 5 Mar 2004 13:11:07 -0800; The amount of frequency change would also be interesting. You are assuming that the freq is shifting by the amount of the CW offset, but have you verified this? If this IS true, then you are NOT swit; /archives//html/TenTec/2004-03/msg00141.html (8,995 bytes)
16. RE: [TenTec] Omni VI Stability (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Sun, 7 Mar 2004 12:16:42 -0800; If your Opt3 is using the crystal oven, then you can, as another poster pointed out, just leave the power supply on at all times (with the rig off unless it's being used). This will power the crystal; /archives//html/TenTec/2004-03/msg00173.html (9,616 bytes)
17. RE: [TenTec] OMNI 5 and PSK 31 Digimode (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 25 Mar 2004 02:34:13 -0800; Hello Volker, First, do NOT use FSK mode for PSK. Use USB. FSK mode implies the use of the MARK and SPACE jacks on the back of the rig. Second, you will need to build an interface that uses a signal; /archives//html/TenTec/2004-03/msg00706.html (8,298 bytes)
18. RE: [TenTec] BPL Update (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 25 Mar 2004 03:03:15 -0800; Okay, I read the FCC Notice. As a ham I am also concerned about possible interference and I believe Ed Hare and others when they say that BPL as it's implemented now causes massive across-the-band in; /archives//html/TenTec/2004-03/msg00707.html (10,971 bytes)
19. RE: [TenTec] Omni VI built-in keyer (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Wed, 11 Feb 2004 10:15:11 -0800; Hello Ken, I'm not sure what you mean by 'lack of dit and dah memories' for the VI's internal keyer. The VI's keyer is not a memory keyer. Re the 'Keyer Speed' pot, it doesn't show on the schematics; /archives//html/TenTec/2004-02/msg00299.html (9,354 bytes)
20. RE: [TenTec] Amplifier Decision??? (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Sun, 15 Feb 2004 13:11:45 -0800; Why not pick up a used Centaur? Basically the same amp as an 811H but with Ten-Tec quality, built-in QSK, and set up to work with all Ten-Tec rigs. You can pick up a pristine used one for $600 or un; /archives//html/TenTec/2004-02/msg00467.html (8,856 bytes)

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