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21. Re: [TowerTalk] Antenna analyzer (score: 1): Author: "Larry Banks" <larryb.w1dyj@verizon.net>; Date: Tue, 17 Jul 2012 17:29:55 -0400; For portability and simplicity, you can't beat the Auteks. 73 -- Larry -- W1DYJ _______________________________________________ _______________________________________________ TowerTalk mailing list; /archives//html/Towertalk/2012-07/msg00201.html (9,744 bytes)
22. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Dick Dievendorff <dieven@comcast.net>; Date: Tue, 17 Jul 2012 14:41:19 -0700; This is a good point. Some devices are more suitable for carrying out to the antenna than others. Some have computer connections for extended charts and graphs. Its hard to recommend "best" without c; /archives//html/Towertalk/2012-07/msg00202.html (10,948 bytes)
23. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Steve Dyer <w1srd@yahoo.com>; Date: Tue, 17 Jul 2012 11:40:51 -0700; _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk; /archives//html/Towertalk/2012-07/msg00203.html (8,598 bytes)
24. [TowerTalk] Antenna Analyzer (score: 1): Author: foxbw@comcast.net; Date: Tue, 17 Jul 2012 22:52:51 +0000 (UTC); Roger, et al; IMHO, and in my 2cents worth (actually $600.00) the AIM 4170C from Array Solutions. http://www.arraysolutions.com/Products/AIM4170.htm#top%20of%20page Bought mine over a year ago, wor; /archives//html/Towertalk/2012-07/msg00206.html (8,731 bytes)
25. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 17 Jul 2012 16:07:05 -0700; Not quite -- to do an OSL calibration you must physically access the point in the coax line where you want to place the unknown impedance. This defines the "measurement plane," and, indeed, the coax; /archives//html/Towertalk/2012-07/msg00208.html (11,637 bytes)
26. Re: [TowerTalk] Antenna analyzer (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Tue, 17 Jul 2012 19:48:22 -0400; Jim, The myVNA software for the N2PK does the remote normalization automatically (with loads placed at the point of Z measurement -- and to the best of my knowledge, so does the most recent software; /archives//html/Towertalk/2012-07/msg00209.html (12,675 bytes)
27. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 17 Jul 2012 17:39:31 -0700; I found the MFJ's useless at a prior QTH which had a 1 MHz BC 50kw line of sight 2 miles away. The MFJ detector is energy based and not very frequency selective so most any nearby transmitter can cau; /archives//html/Towertalk/2012-07/msg00210.html (10,503 bytes)
28. Re: [TowerTalk] Antenna analyzer (score: 1): Author: "Rick Kiessig" <kiessig@gmail.com>; Date: Wed, 18 Jul 2012 13:14:30 +1200; Current pricing for the AIM4170C (0.1 to 170MHz) is US$545 from Array Solutions. The AIM also does TDR, and reports both the magnitude and sign of the complex component of impedance -- very handy for; /archives//html/Towertalk/2012-07/msg00211.html (9,471 bytes)
29. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 17 Jul 2012 18:42:26 -0700; Thanks. I was thinking of the AIM 4180, which, I believe, is a 2-port VNA. Thanks, Paul. I've heard nothing but high praise for the N2PK unit. I've looked several times for a way to buy one (or a kit; /archives//html/Towertalk/2012-07/msg00212.html (8,956 bytes)
30. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Wed, 18 Jul 2012 09:49:21 +0100; A few points from this and earlier postings.... Warning: this has turned into something of a "Guide to Test Instruments", so proceed at your own risk. There are three completely different categories; /archives//html/Towertalk/2012-07/msg00213.html (15,728 bytes)
31. Re: [TowerTalk] Antenna analyzer (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 18 Jul 2012 06:10:31 -0400; Ian, thanks for the excellent summary. That could be a classic RadCom or QST article on its own! I think it's worth mentioning that operation of PC-based VNA devices is not as intimidating as it may; /archives//html/Towertalk/2012-07/msg00214.html (9,013 bytes)
32. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Wed, 18 Jul 2012 12:02:55 +0100; Hey, I'm supposed to be retired here! (But if their people were to call my people, well then, maybe... :-) That's right. It's something new, but you simply follow the on-screen instructions and by ne; /archives//html/Towertalk/2012-07/msg00215.html (9,956 bytes)
33. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 18 Jul 2012 06:40:29 -0700; I would suggest that there is a significant difference between two subflavors of the latter, depending on whether they used a tuned RF detector or not. The TAPR VNA, for instance, has a broadband det; /archives//html/Towertalk/2012-07/msg00216.html (10,259 bytes)
34. Re: [TowerTalk] Antenna analyzer (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Wed, 18 Jul 2012 17:44:03 -0400; Thank you Ian for this excellent summary. It certainly helps me make my decision as to what I need and can use for my projects. Like others, I think you should publish it as it's information that man; /archives//html/Towertalk/2012-07/msg00222.html (17,717 bytes)
35. Re: [TowerTalk] Antenna analyzer (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Wed, 18 Jul 2012 22:45:37 +0100; Thanks for the thoughtful comments, Jim. That last point is entirely fair: we *should* be able to connect an "antenna analyzer" to an antenna, without it falling over due to strong received signals.; /archives//html/Towertalk/2012-07/msg00223.html (14,210 bytes)
36. Re: [TowerTalk] Antenna analyzer (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Sat, 21 Jul 2012 03:15:25 -0400; Thanks all for the input and to Ian for the "white paper" on comparisons of the different units. I ended up ordering the AIM 4170 and am going through the software and operating directions getting re; /archives//html/Towertalk/2012-07/msg00233.html (11,617 bytes)
37. Re: [TowerTalk] Antenna analyzer (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Tue, 24 Jul 2012 21:15:53 -0400; Welll... I have the AIM 4170C hooked up, but the driver in Win 7 (64 bit) will not install for the USB/serial converter. It knows it's there and even properly identifies it, but can't find a driver.; /archives//html/Towertalk/2012-07/msg00273.html (10,176 bytes)

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