On Jun 13, 1:23*pm, Brian Morrison wrote:

And it's a bit more future proof since it has a USB connection rather
than RS-232.

I don't think RS232 is going to die just yet.

It's still easy to cater for, but as you say, USB
is a lot more convenient since just sbout every PC
these days has them.

However I'm always cautious about anything software
driven becoming obsolete.

Hence I also keep a Palstar ZM30 around for HF work,
that doesn't require a PC, but still gives me all the relevent
data for antenna work.

And after all that, I still insist on a final tune up with a
field strength meter ;-)

The mini VNA being a two port device is great for making high/low
/bandpass./notch filters and instant seeing the response.

You can line up IF xtal filters etc. Very versatile.