[TowerTalk] VNA

[Wes Stewart]

I have no knowledge of MFJ equipment. With a real vector analyzer, calibrated 
with OSL standards, I would expect that the effects of any filtering could be 
mitigated, although dynamic range and possibly stability would likely be 
compromised.

Wes  N7WS


On 10/31/2017 11:17 AM, Jim Thomson wrote:
> Date: Tue, 31 Oct 2017 05:24:40 -0700
> From: Wes Stewart <wes_n7ws at triconet.org>
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] VNA
>
> <I second Jim's remarks about the VNWA 3E (and Dan's, AC6LA, software).? I use
> mine in the field with a 10" touch screen tablet computer (Motion) running, uck,
> Windows 10.? Not quite as friendly as a laptop but much more rugged.? If need
> be, I can save measurement data in a file and transfer it to the desk computer
> via Wi-Fi for additional analysis.
>
> I have a couple of 50KW BC stations nearby that I've measured at -3dBm on my
> inverted-l.? As long as I start a sweep at 1.7 MHz or above I have no issue with
> them.
>
> Wes? N7WS
>
> ## I thought the 259B and 259C had an optional HP filter for em..to kill  AM broadcast ?
> Thought it had a cut off of 1.8 mhz.  Or will a HP filter screw up the readings on test gear,
> like vnas  etc ?
>
> Jim   VE7RF
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>