- 101. Re: [TenTec] Window line (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Wed, 05 Oct 2005 20:50:39 -0400
- Dean, OTOH at 30 MHz, with 300 ft of RG-213, TLW predicts 3.556 dB loss to a 50-ohm load, resulting on 661 W to the load! Time to think of something else <g>! 73, Joel Hallas, W1ZR (frequent TLW user
- /archives//html/TenTec/2005-10/msg00159.html (7,879 bytes)
- 102. Re: [TenTec] New Vector Antenna Analyzer - N5EG design by Tentec (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Fri, 30 Sep 2005 08:32:37 -0400
- Henrik, This is exactly the same unit that was decribed in detail in the Jul/Aug 2004 issue of QEX. If you don't get QEX, reprints are available from reprints@arrl.org. OTOH if you're interested in t
- /archives//html/TenTec/2005-09/msg00439.html (8,304 bytes)
- 103. Re: [TenTec] Corsair vs. Orion (weak signal) (score: 1)
- Author: "jrhallas@optonline.net" <jrhallas@optonline.net>
- Date: Tue, 2 Aug 2005 09:28:25 -0400
- Robert, Your points are well documented and certainly true, however, they apply to the question of copying a weak signal in the presence of noise or interference. The issue with the third order IMD (
- /archives//html/TenTec/2005-08/msg00028.html (10,388 bytes)
- 104. Re: [TenTec] magic wire antennas (score: 1)
- Author: "jrhallas@optonline.net" <jrhallas@optonline.net>
- Date: Thu, 7 Jul 2005 14:41:18 -0400
- Curt, I am happy to share my opinion about the B&W "folded dipole". I have modeled one and think I remember that it is down about 10 dB compared to a resonant dipole, at least on the frequencies I lo
- /archives//html/TenTec/2005-07/msg00205.html (10,880 bytes)
- 105. Re: [TenTec] COMPUTER_POWER_SUPPLY_HASH (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Sat, 11 Jun 2005 12:35:39 -0400
- George, Check out the Nov/Dec 04 issue of QEX (from ARRL). There is an article about converting ATX supplies to amateur use, but the article includes a descripton of the original design and many of t
- /archives//html/TenTec/2005-06/msg00326.html (8,867 bytes)
- 106. Re: [TenTec] Omni vi plus input audio feed for psk (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Sun, 29 May 2005 07:35:09 -0400
- Bob, You may be very lucky! With my Paragon (line out) to sound card input I had a very loud hum on SSB xmit (I know that's the other side <g>), even when the computer was off. In my station, I have
- /archives//html/TenTec/2005-05/msg00564.html (17,390 bytes)
- 107. Re: [TenTec] 110 vs 240 (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 07 Mar 2005 10:48:31 -0500
- Josh, Can you please provide the details on the quieter fan? I'd also be interested in the results you've obtained with the 572s. I've seen conflicting stories regarding the benefits and am still run
- /archives//html/TenTec/2005-03/msg00219.html (10,693 bytes)
- 108. Re: [TenTec] New Rig Suggestion (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 14 Feb 2005 17:23:23 -0500
- Mark, You have a great list of features, but I think it would be tough to deliver at that price. The closest I've seen is the IC-718 that I bought for my YL (W1NCY) when she got her General license a
- /archives//html/TenTec/2005-02/msg00373.html (12,458 bytes)
- 109. Re: [TenTec] Ten Tec Vee Beam? (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 14 Feb 2005 19:23:43 -0500
- Do they still sell them? I looked today to get the details so I could model them, and couldn't find them on their web site?? 73, Joel, W1ZR I agree with Al, Vee beams in general that I have made, hav
- /archives//html/TenTec/2005-02/msg00385.html (9,365 bytes)
- 110. Re: [TenTec] Ten Tec Vee Beam? (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Wed, 16 Feb 2005 09:58:31 -0500
- Keep in mind that the ground for these resistors doesn't have to be anywhere near as good as for a ground plane, for example. In that case a few ohms of resistance reduces your efficiency . In this c
- /archives//html/TenTec/2005-02/msg00463.html (11,275 bytes)
- 111. Re: [TenTec] Ten Tec Vee Beam? (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Wed, 16 Feb 2005 10:15:50 -0500
- Of course I meant to say "1/4 wave vertical fed against ground", not "ground plane", which neatly sidesteps the ground loss problem as far as feed efficiency is concerned. BTW, neither that, nor " ve
- /archives//html/TenTec/2005-02/msg00464.html (12,326 bytes)
- 112. Re: [TenTec] OUT OF HAM BAND MODIFICATION (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 17 Jan 2005 11:29:30 -0500
- Jim, Great tip, thanks much! I found the jumper just where you predicted, cut it and it seems to operate perfectly on 60 m. I checked it b4 I did a processor reset and it seems to be just fine. Is th
- /archives//html/TenTec/2005-01/msg00686.html (9,500 bytes)
- 113. Re: [TenTec] OUT OF HAM BAND MODIFICATION (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 17 Jan 2005 12:14:43 -0500
- Folks, Sorry to say the chart formatting was lost in transition. Here it is, hopefully readable. BTW, I put the appropriate offset channels in memory to make sure I end up in the right place, per the
- /archives//html/TenTec/2005-01/msg00691.html (9,928 bytes)
- 114. Re: [TenTec] Out of ham band modification (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Tue, 18 Jan 2005 21:01:18 -0500
- Thanks Vic, yes Harry Vic has covered it nicely. The only problem with this arrangement is that in memory tune mode the RIT doesn't work. You need to pop out of MT and use the RIT, or manual tuning,
- /archives//html/TenTec/2005-01/msg00777.html (9,406 bytes)
- 115. Re: [TenTec] Centaur with Paragon (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Sat, 22 Jan 2005 09:09:23 -0500
- Jerry, I've been using the pair that way for a couple of years and it works great, very smooth break-in, etc. Once you get used to the fan noise it's a fine set-up. http://www.arrl.org/news/stories/2
- /archives//html/TenTec/2005-01/msg00883.html (9,130 bytes)
- 116. Re: [TenTec] Centaur (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Sat, 25 Dec 2004 18:11:56 -0500
- Ron, Great question, and I will be watching the answers closely too. I fried an 811A in my Centaur the other day and can see the bottom of the spare bin very clearly now! The big question is, when I
- /archives//html/TenTec/2004-12/msg01003.html (8,872 bytes)
- 117. Re: [TenTec] Corsair II ALC issue (score: 1)
- Author: joel hallas <jrhallas@optonline.net>
- Date: Mon, 29 Nov 2004 18:41:07 -0500
- My Corsair I didn't have that problem in full or semi-QSK. GL, Joel, W1ZR Does going to the "slow qsk" mode help? I think you are experiencing the typical audio derived agc syndrome. When coming off
- /archives//html/TenTec/2004-11/msg00707.html (9,823 bytes)
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