Re: GPSDO

2022-04-05 Thread Marcus D. Leech
On 2022-04-05 22:18, Manuel Caldas wrote: Hi! I'm a newbie to gnuradio, and am designing a simple radiometer with an Ettus USRP x300 SDR, which has a board mounted GPSDO (and antenna, of course). What I want now is to get the (GPS) timestamp(s) of my data stream, so that I can match datapo

GPSDO

2022-04-05 Thread Manuel Caldas
Hi! I'm a newbie to gnuradio, and am designing a simple radiometer with an Ettus USRP x300 SDR, which has a board mounted GPSDO (and antenna, of course). What I want now is to get the (GPS) timestamp(s) of my data stream, so that I can match datapoints to correspondig UTC (gps)time. So wha

Re: FM Transmitter tuning issue (pre-emphais, modulation index..)

2022-04-05 Thread Kyle A Logue
If you are modulating a bitstream what are you are really doing is 2-FSK in this situation, not traditional analog FM - so that may help you find the definitions you are looking for a bit easier. If you want a modulation index of 2 and your rate is 1200K then you want the difference between the