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21. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 12:00:21 -0800; Thanks for this excellent summary, Wes. The only ones you've reviewed that I own are the SDRKits VNWA and the FA-VA5. I don't find the UI of the FA-VA5 quite as awful as you do, but it certainly cou; /archives//html/Towertalk/2018-12/msg00093.html (17,408 bytes)
22. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 12:16:39 -0800; Yes. The comparison is between lab equipment costing tens/hundreds of thousands of dollars and a very decent ham-produced unit that we can currently buy for less than $600. And I've had no difficulty; /archives//html/Towertalk/2018-12/msg00094.html (13,301 bytes)
23. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Paul Dulaff <pdulaff@embarqmail.com>; Date: Wed, 5 Dec 2018 15:48:52 -0500 (EST); I use an Array Solutions AIM 2180 so far for aligning duplexers, bandpass filters, determining phasing tranmission line lengths and checking transmission lines via TDR. All these tools get the classi; /archives//html/Towertalk/2018-12/msg00095.html (13,488 bytes)
24. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Bob K6UJ <k6uj@pacbell.net>; Date: Wed, 5 Dec 2018 20:54:48 +0000 (UTC); I looked at the specs,etc for the MetroVNA.Looks pretty good. Price looks very good at about $330.00. Cant find any user reviews. Anyone have one of these or know anything about them ? BobK6UJ Sent; /archives//html/Towertalk/2018-12/msg00096.html (13,908 bytes)
25. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Wed, 5 Dec 2018 14:34:02 -0700; Thanks. Just a couple of clarifications. The original Touchstone software was by EEsof. I had a copy at Hughes in the early 1980s. It was of course a DOS program and came with a parallel port dong; /archives//html/Towertalk/2018-12/msg00101.html (11,704 bytes)
26. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jeff Blaine <KeepWalking188@ac0c.com>; Date: Wed, 5 Dec 2018 17:23:26 -0600; A big HP system is totally impractical for the average guy. I have a rack of the old stuff here so i'm not saying it's got no place, rather when you are out in the rain and the mud, you need somethi; /archives//html/Towertalk/2018-12/msg00103.html (16,778 bytes)
27. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Dick Williams <richardk8ztt@gmail.com>; Date: Wed, 5 Dec 2018 16:41:57 -0700; I have seen no mention of the Array Solutions AM4170B analyzer; certainly there must be a few of them in use out there. Anyway, I have owned one for years, and it seems to work well for tuning up my; /archives//html/Towertalk/2018-12/msg00105.html (18,752 bytes)
28. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Wed, 5 Dec 2018 18:47:03 -0500; My $0.02. I own the USB version of the N2PK VNA and as Jeff points out, the myVNA GUI from G8KBB is very intuitive. I have tried the VNWA GUI with the N2PK but found that setup is more complicated a; /archives//html/Towertalk/2018-12/msg00107.html (10,252 bytes)
29. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: GEO Badger via TowerTalk <towertalk@contesting.com>; Date: Wed, 5 Dec 2018 23:57:55 +0000 (UTC); I really like the Anritsu S113C. 2-1600 MHz, very rugged, stores set-ups and readings -- Ciao baby, catch you on the flip side. GEO http://www.w3ab.org Time flies like an arrow, fruit flie; /archives//html/Towertalk/2018-12/msg00108.html (8,675 bytes)
30. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 16:36:04 -0800; Thanks. 73, Jim _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/lis; /archives//html/Towertalk/2018-12/msg00110.html (8,970 bytes)
31. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 16:40:50 -0800; While I've used my VNWA in the field a few times, I mostly use it in the shack or on the bench. The new little FA-VA5 IS designed to be used in the field, self-contained with no computer connection n; /archives//html/Towertalk/2018-12/msg00111.html (10,093 bytes)
32. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Wed, 5 Dec 2018 16:42:15 -0800; Okay, as long as we're talking VNAs, I have a question: I am making an automatic antenna tuner, the sensor of which is a pair of AD8302s, and a pair of AD8362s. I made a 36 dB Tandem Coupler which ha; /archives//html/Towertalk/2018-12/msg00113.html (13,263 bytes)
33. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Gary K9GS <garyk9gs@wi.rr.com>; Date: Wed, 05 Dec 2018 18:42:16 -0600; Last year I had a need for a very small, compact analyzer for a trip to Central America. I ended up buying one of these: https://www.mfjenterprises.com/Product.php?productid=MFJ-223 It worked great; /archives//html/Towertalk/2018-12/msg00114.html (18,000 bytes)
34. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 16:55:08 -0800; The FA-VA5 goes to 600 MHz, the VNWA 3e to 500 MHz with 90 dB dynamic range, and 50 dB up to 1.3 GHz. Like you, I rarely need to measure equipment or antennas above 6M. I do, however, do most TDR swe; /archives//html/Towertalk/2018-12/msg00115.html (10,744 bytes)
35. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Wed, 5 Dec 2018 18:38:40 -0700; I've used a 1) Boonton 250 RX meter and 2) an HP sweep generator, Vector Voltmeter and bridge at various times at the base of my vertical antennas. I can remember a waveguide slotted line too. We l; /archives//html/Towertalk/2018-12/msg00118.html (10,514 bytes)
36. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Edward Mccann via TowerTalk <towertalk@contesting.com>; Date: Wed, 5 Dec 2018 18:06:16 -0800; When you refer to your 95% use, and then refer to your S21 measurements on the bench, can you describe your approach to measuring CMC impedance, say of a CMC choke connected between TX and antenna? T; /archives//html/Towertalk/2018-12/msg00119.html (12,820 bytes)
37. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 5 Dec 2018 18:22:32 -0800; I'm currently at work on an applications note that will include that information and a new "Choke Cookbook." I'll post a note here when it's available online. 73, Jim K9YC ___________________________; /archives//html/Towertalk/2018-12/msg00121.html (10,418 bytes)
38. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Máximo EA1DDO_HK1H <ea1ddo@hotmail.com>; Date: Thu, 6 Dec 2018 10:36:02 +0000; I think is good to be clear that is quite different a VNA to use on the top of a tower or field, than on the bench, than in a lab. You are talking about different things. All of them VNA but differen; /archives//html/Towertalk/2018-12/msg00124.html (12,777 bytes)
39. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Máximo EA1DDO_HK1H <ea1ddo@hotmail.com>; Date: Thu, 6 Dec 2018 13:23:19 +0000; Talking about software for VNAs, based on Touchstone, I can share this fine tool: VNA Tools https://www.metas.ch/metas/en/home/fabe/hochfrequenz/vna-tools.html It is free to use. 73, Maximo _________; /archives//html/Towertalk/2018-12/msg00126.html (10,205 bytes)
40. Re: [TowerTalk] Antenna Analyzers (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 6 Dec 2018 10:43:43 -0800; In this discussion, it is important to understand the difference between a VNA, which is a two-port device, and a VIA (vector IMPEDANCE analyzer), which is a one port device. If it's got only one con; /archives//html/Towertalk/2018-12/msg00130.html (11,640 bytes)

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