On 15 May 2013 10:44, Martin Braun (CEL) wrote: 

> On Wed, May 15,
2013 at 10:36:46AM -0400, mleech@ripnet.comwrote:
> 
>> On 15 May 2013
10:20, Charlie Starling wrote: Hi all, I have a spectrum analyser that
outputs its I and Q data over TCP or UDP in the VITA49 format, I've been
searching around looking for a way to interface this into gnuradio but
all the information I can seem to find regarding VITA49 seems to be with
reference to USRP. Can anyone offer any advice or pointers for where to
start? I have some programming experience if that's what's needed. The
VITA-49 protocol isn't that complicated. I'd write a simple
"interstitial" C program that reads the VITA-49 packed samples from your
UDP/TCP port, and then sends them along a FIFO that Gnu Radio can open
as a file source.
> 
> Or even better, write a GNU Radio block that does
that and submit it to
> github!
> 
> MB

Yes, that would be fab. 

I
would caution that because VITA-49 doesn't actually specify any
encapsulation mechanisms for any higher-layer protocols, there's no
"standard" way of placing VITA-49 over TCP and UDP, it is necessarily
proprietary. 

It would be much better if there were a standard
encapsulation--that would make having a Gnu Radio block be a very
desirable thing... 

 
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