Re: [Discuss-gnuradio] Re: USRP2 startup

[Eric A. Cottrell]

John Ackermann N8UR wrote:
> Hi Matt --
>
> Got things built and usrp2_fft.py working (more or less).
>
> Just FYI, on my 3 year old Thinkpad T42 laptop with 1.6 GHz Pentium M, I
> can display about 4MHz of spectrum (decimate 25) with good results.
> Trying to show 5 MHz works, but occasional flakiness results.  Anything
> beyond that causes either very jerky display, or lockup.
>
> Using nice -10 helps a bit.  I don't know if this is consistent with
> what others have seen.  Next step is to build on my Athlon X64 in the
> basement to see how that does.
>   
Hello,

I have a Z60t with a 1.7 GHz Pentium M and found some overruns and 
occasional hiccups with the USRP1 at  8 MHz depending on what processing 
is done on the computer.
> 2.  The usrp2_fft.py program is pretty nice, but changing the frequency
> in the input box doesn't seem to work -- when I type something in, I get
> an "OK" at the bottom left of the window, but the display freezes and
> nothing further happens.
>   
Matt mentioned at DCC that changing frequency does not work yet.

73 Eric