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101. RE: [TenTec] Solid State Amps (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Tue, 9 Dec 2003 10:42:12 -0800; Refurbing an existing amp is not manufacturing, it is repairing. The door is wide open for someone to buy old basket-case amps, rebuild 'em, and resell them to amateurs. I've seen a couple of repair; /archives//html/TenTec/2003-12/msg00327.html (10,869 bytes)
102. RE: [TenTec] Centaur quiet fan? (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Sun, 18 Jan 2004 01:29:04 -0800; There are plenty of computer system cooling fans available that run on 12VDC that have a thermistor so that fan speed (and noise) varies with the temperature (the fan's speed is proportional to the a; /archives//html/TenTec/2004-01/msg00580.html (9,511 bytes)
103. RE: [TenTec] OT will someone convert a MS Word Document to Acrobatformat for me, please (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Sun, 18 Jan 2004 21:09:20 -0800; Send it to me and I'll convert it. - jgc John Clifford KD7KGX Heathkit HW-9 WARC/HFT-9/HM-9 Elecraft K2 #1678 /KSB2/KIO2/KBT2/KAT2/KNB2/KAF2/KPA100 Ten-Tec Omni VI/Opt1 Alinco DR-605TQ Icom T90A emai; /archives//html/TenTec/2004-01/msg00612.html (9,643 bytes)
104. RE: [TenTec] Quieting fan (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Mon, 19 Jan 2004 19:11:12 -0800; All of the cooling ideas are interesting... but the idea of the 150 ohm 25w resistor is probably the most practical. The poster of that message indicated that he had made temperature measurements sho; /archives//html/TenTec/2004-01/msg00641.html (8,780 bytes)
105. RE: [TenTec] OMNI VI+ BFO crystals (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Thu, 29 Jan 2004 13:27:20 -0800; I dunno about the VI+, but the TX Audio board in the VI can be improved by replacing the factory crystal with more stable crystals. After I modified my VI/Opt1 with new BFO xtals and a TXCO upgrade I; /archives//html/TenTec/2004-01/msg00889.html (9,511 bytes)
106. 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 (9,420 bytes)
107. 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/msg00468.html (9,061 bytes)
108. RE: [TenTec] Jupiter vs 746 PRO (score: 1): Author: "John Clifford" <johnclif@ix.netcom.com>; Date: Tue, 24 Feb 2004 09:52:29 -0800; Well... Sometimes there is bias (an opinion not backed up by objective fact) and sometimes there is truth. For example, just because everyone is sitting around at the local gun club complaining about; /archives//html/TenTec/2004-02/msg00739.html (11,055 bytes)
109. 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/msg00142.html (9,200 bytes)
110. 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/msg00174.html (9,631 bytes)
111. 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/msg00707.html (7,993 bytes)
112. 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/msg00708.html (9,118 bytes)
113. 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 (8,638 bytes)
114. 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 (10,568 bytes)
115. 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 (7,637 bytes)
116. 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/msg00648.html (9,147 bytes)
117. 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/msg00660.html (8,753 bytes)
118. 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/msg00796.html (9,928 bytes)
119. [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/msg00842.html (8,668 bytes)
120. 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 (8,712 bytes)

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