You are recording complex floats. The intermediate frequency is your frequency of interest minus what the HackRF is tuned to. If your HackRF is tuned to 1.575 GHz but you want to decode the GPS L1 signal, then your IF is 420 kHz.
On Thu, Nov 19, 2015 at 1:36 PM, mourad ghafiri <[email protected]> wrote: > I attached the flow graph for the recording as well as a real time > spectrum , I'm not sure what blocks to use or what parameters to set for > this block in order to have the right streaming. > thanks for showing interest to the question > > On Thu, Nov 19, 2015 at 9:16 PM, Karl Koscher <[email protected]> > wrote: > >> How are you recording the samples? >> >> On Thu, Nov 19, 2015 at 1:05 PM, mourad ghafiri <[email protected] >> > wrote: >> >>> Hello; >>> >>> please any help to figure out what is the Intermediate Frequency used >>> for HackRF in Gnuradio... >>> >>> I'm recording a streaming file for GPS and I don't know what is the >>> appropriate type ( int; float...) and what is the appropriate IF to use in >>> order to process that streaming in Matlab. >>> >>> Best Regards; >>> >>> _______________________________________________ >>> HackRF-dev mailing list >>> [email protected] >>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >>> >>> >> >
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