Use a Complex to Float/Real and Float to Char type converter block between the HackRF source block and the file sink, and then change the file sync type to char. Or you can use the hackrf_transfer program and avoid these conversions altogether.
On Thu, Nov 19, 2015 at 1:49 PM, mourad ghafiri <[email protected]> wrote: > thank you for your quick answer, please how to record the streaming in > int8 type > > Regards; > > On Thu, Nov 19, 2015 at 9:40 PM, Karl Koscher <[email protected]> > wrote: > >> 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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