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Total 29 documents matching your query.

1. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Wed Aug 13 10:51:27 2003; I have used 3 MFJ analyzers. Two have failed one was a fault in the analyzer the second was an accidental application of reverse supply voltage ( picked up a reverse polarized 12 volt plug by mistake; /archives//html/TenTec/2003-08/msg00274.html (9,863 bytes)
2. [TenTec] Antenna Analyzers (score: 1): Author: wa2bpe@infoblvd.net (WA2BPE); Date: Wed Aug 13 20:46:13 2003; Since the subject was brought up, why doesn't MFJ provide schematics with equipment? It surely can't be paranoia about copying the circuit - reverse engineering is still possible albeit more tedious.; /archives//html/TenTec/2003-08/msg00296.html (11,160 bytes)
3. [TenTec] Antenna Analyzers (score: 1): Author: Wa9mxq@cs.com (Wa9mxq@cs.com); Date: Wed Aug 13 20:51:22 2003; I have always gotten schematics. But maybe this isn't the case on every product. On the ones I have gotten, the schematic has been included. 73, - Bill, WA9MXQ; /archives//html/TenTec/2003-08/msg00297.html (7,912 bytes)
4. [TenTec] Antenna Analyzers (score: 1): Author: wa2bpe@infoblvd.net (WA2BPE); Date: Wed Aug 13 21:16:54 2003; That's interesting. Sure weren't in the boxes I have (and they were new, not used items)! Tom - wa2bpe; /archives//html/TenTec/2003-08/msg00298.html (8,571 bytes)
5. [TenTec] Antenna Analyzers (score: 1): Author: w4njf@email.midflorida.com (Bill Fulling); Date: Wed Aug 13 21:26:23 2003; Hi Bill, Would be interested in buying the two clunkers from you-might be able to make one good one out of two bad ones. Pls reply to my email qth,not the website. Tnx es 73 ,Bill W4NJF voltage am th; /archives//html/TenTec/2003-08/msg00299.html (11,259 bytes)
6. [TenTec] Antenna Analyzers (score: 1): Author: rohre@arlut.utexas.edu (Stuart Rohre); Date: Wed Aug 13 22:38:07 2003; Well, for one thing about schematics for MFJ stuff. They do not put as high a markup on their gear as some manufacturers. It is possible they depend on the repair business from customers, or even cus; /archives//html/TenTec/2003-08/msg00303.html (8,109 bytes)
7. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill L. Fuqua); Date: Wed Aug 13 22:45:35 2003; MFJ considers the workings of their antenna analyzers a top secret. It is one theing that they don't provide even if you aske for it or are willing to pay. 73 Bill wa4lav I have always gotten schemat; /archives//html/TenTec/2003-08/msg00304.html (8,784 bytes)
8. [TenTec] Antenna Analyzers (score: 1): Author: ve1adh@yahoo.ca (David McClafferty); Date: Thu Aug 14 10:01:38 2003; I don't know what the big deal is, just an oscillator and SWR meter. I repaired one that had been damaged by reverse polarity by just replacing all the semiconductors. One chip and a half-dozen FET's; /archives//html/TenTec/2003-08/msg00308.html (10,035 bytes)
9. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu Aug 14 10:26:46 2003; I am happy you are so clever or just lucky. To: <tentec@contesting.com>; /archives//html/TenTec/2003-08/msg00310.html (10,763 bytes)
10. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu Aug 14 10:27:00 2003; Oscillator, microcontroller, LCD displays,etc.... 73 Bill wa4lav To: <tentec@contesting.com>; /archives//html/TenTec/2003-08/msg00311.html (10,838 bytes)
11. [TenTec] Antenna Analyzers (score: 1): Author: mtracy@arrl.org (Tracy, Michael, KC1SX); Date: Thu Aug 14 12:55:43 2003; Anyone needing a schematic for their MFJ259 should try a Google search on mfj259.zip Of course, a tweezers and microscope would be really helpful in attempting repairs (not to mention a good source f; /archives//html/TenTec/2003-08/msg00314.html (8,257 bytes)
12. [TenTec] Antenna Analyzers (score: 1): Author: ve1adh@yahoo.ca (David McClafferty); Date: Thu Aug 14 13:13:42 2003; I'm not saying it was easy to fix. What I meant was I didn't see any circuitry in there that would be worth making a big deal about keeping it secret. It took me a long time to fix it. I gave up a co; /archives//html/TenTec/2003-08/msg00315.html (12,345 bytes)
13. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu Aug 14 14:45:50 2003; All I found was some modifications to the 259 no schematics. 73 Bill wa4lav; /archives//html/TenTec/2003-08/msg00319.html (8,705 bytes)
14. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu Aug 14 15:33:35 2003; Found a hand drawn schematic at http://www.qsl.net/dk3red/mfj259b-sch.jpg. But still have no time to fool with it. But do see how to make it do what I want if I get back to it. What I need is to have; /archives//html/TenTec/2003-08/msg00321.html (9,713 bytes)
15. [TenTec] Antenna Analyzers (score: 1): Author: k5uj@hotmail.com (Rob Atkinson, K5UJ); Date: Thu Aug 14 15:45:47 2003; I also don't understand the secrecy. It seems to me that anyone who seriously wanted to make a bunch of knockoffs abroad could buy one from MFJ and reverse engineer it. it would be harder if they use; /archives//html/TenTec/2003-08/msg00322.html (8,525 bytes)
16. [TenTec] Antenna Analyzers (score: 1): Author: wlfuqu00@uky.edu (Bill Fuqua); Date: Thu Aug 14 16:32:07 2003; Analyzers have been improving over the years. The ones had were the first ones off the production line. This last one is fairly good. If they used better detectors and bridge circuits they would be m; /archives//html/TenTec/2003-08/msg00323.html (9,896 bytes)
17. [TenTec] Antenna Analyzers (score: 1): Author: vsantis@earthlink.net (Vin Santis); Date: Thu Jul 3 20:16:31 2003; Hi, I'm considering the purchase of an antenna analyzer but need some advice. My first choice was theMFJ 269 but, after some research I wonder about the Autek VA-1. They both seem to do the sae thing; /archives//html/TenTec/2003-07/msg00114.html (7,956 bytes)
18. [TenTec] Antenna Analyzers (score: 1): Author: AC5E@aol.com (AC5E@aol.com); Date: Thu Jul 3 20:26:14 2003; Well, I can reach out and touch three at the moment. The Autek is pretty nice and would be a lot nicer if better quality pots with more turns were used for the main and bandspread tuning. Even with t; /archives//html/TenTec/2003-07/msg00115.html (8,286 bytes)
19. [TenTec] Antenna Analyzers (score: 1): Author: wa4oss@earthlink.net (Charles Strickland); Date: Thu Jul 3 20:33:54 2003; The MFJ 269 is avery useful device for any ham to have available. It is the "poor mans network analyzer". I have forty years of amateur radio experience, and forty years of commercial broadcast engin; /archives//html/TenTec/2003-07/msg00116.html (9,334 bytes)
20. [TenTec] Antenna Analyzers (score: 1): Author: csegar@mindspring.com (Cliff); Date: Thu Jul 3 21:08:41 2003; This is the second peice of test equipment any ham should have - the first being a good DVM (VOM for us old guys!) I have the early MFJ-259 but it still works well. The later units (259B) give you th; /archives//html/TenTec/2003-07/msg00118.html (8,328 bytes)

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