I guess;
For bench work only, used with PC, VNWA is best option actually.
For bench AND field use (no PC needed), KC901S+ is best and more completed. It
is like a VNWA with battery and screen, up to 4 GHz.
Budget field models are Sark 110, AAxxx RigExpert models, etc.
73, Maximo
________________________________
De: TowerTalk <towertalk-bounces@contesting.com> en nombre de jimlux
<jimlux@earthlink.net>
Enviado: martes, 31 de octubre de 2017 12:16
Para: towertalk@contesting.com
Asunto: Re: [TowerTalk] VNA
On 10/30/17 10:07 PM, Jim Brown wrote:
> On 10/30/2017 9:02 PM, Marv Shelton wrote:
>> I remember a VNA review in QST some time ago.
>
> The VNWA 3e was due to get a rave review in that series, but a US vendor
> threatened a patent issue, and it was killed.
>
> BTW -- the VNWA 3e is powered via USB from its host computer. Most other
> VNAs lack this capability. It makes it far easier to use in the field.
> Some users are running it a Windoze tablet.
>
without getting into what's good/bad because I've not looked at it in
any detail, there's a whole crop of newer small VNAs these days
http://pocketvna.com/ - about $400
[http://pocketvna.com/files/2.4-ghz-wlan-antenna.jpg]<http://pocketvna.com/>
pocketVNA - portable Vector Network Analyzer - home<http://pocketvna.com/>
pocketvna.com
Pocket VNA Portable Vector Network Analyzer is a fully functional 2-port 4 GHz
VNA: Extremely low cost (430 US$ or 390 Euro) including free world-wide shipping
https://www.sdr-kits.net/index.php?route=product/product&product_id=70
DG8SAQ Low Cost Vector Network Analyzer VNWA 3EC in
...<https://www.sdr-kits.net/index.php?route=product/product&product_id=70>
www.sdr-kits.net
Low Cost DG8SAQ USB-Controlled Vector Network Analyzer by SDR-Kits. Model VNWA
3EC supplied in Presentation Case with Accessories.
- VNWA 3EC (DG8SAQ) - about $600
https://www.arraysolutions.com/vna-2180 - $1000
vector network analyzer, vector network analyser, vna
...<https://www.arraysolutions.com/vna-2180>
www.arraysolutions.com
The Vector Network Analyzer, VNA-2180, measures impedance (magnitude and phase)
and filter transmission in the range of 5 kHz to 180 MHz. A PC or a Windows
Tablet is ...
There's also mention of a miniVNA, but it doesn't seem to be available
any more.
The TAPR/TenTec and N2PK appear to be no longer readily available as
assembled units - they're both >10 years old, and probably need parts
that no longer are available
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