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[aprssig] Re: Service monitors

Ian ZL1VFO zl1vfo at yahoo.co.uk
Wed Nov 1 08:45:30 UTC 2006


An HP8920A is one of the things I get to use at work.

One quite useful function, if I could get it to go, is the ability to
print out to an attached serial (RS232) printer. However, as these are
somewhat rare these days, connecting it up to a PC to capture the
printed data is the next best option.

Does anyone know of a program / utility which can be run on a PC,
capture this serial data 'printed' by the HP8920A, and convert it to a
BMP / GIF / PNG or some other image file? Preferably without having to
cough up some $$, as I'm not sure how I'd be able to justify it to the
bosses (or rather accountants) at work...

-Ian ZL1VFO



> Message: 26
> From: <scott at opentrac.org>
> Subject: [aprssig] Service monitors

> Can anyone recommend a good, affordable service monitor?  I'm assuming just
> about anything would be OK for setting deviation and such, but I also want a
> spectrum analyzer and the ability to show recovered FM audio to examine
> packet waveforms and analyze preemphasis.  Operation up to 500 MHz would be
> good, but I'd settle for 200 MHz.

> The HP 8920A with appropriate options looks good - I just got outbid on
> eBay, though.  Guess I'll have to wait for another one to come around.  I'm
> hoping to find something under $2500.  Might have got it this time if I'd
> been about 10 seconds later on my bid.

> Any suggestions?

> Scott
> N1VG

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