Hi Use the IR input for synchronization. 1PPS IR pulse sender.
SG On Sun, Aug 25, 2013 at 4:13 PM, Jiao Xianjun <[email protected]> wrote: > Hi, > > I want to use multiple rtl-sdr dongles to do some multi-antenna > experiments. > > Is it possible to read IQ samples from multiple rtl-sdr dongles in a > synchronized manner? > > I already have a glance at dump1090 codes, which is a project using > rtl-sdr to decode aircraft broadcasting ADS-B messages in 1090MHz. > > Seems that I should use rtlsdr_read_async() instead of rtlsdr_read_sync(), > because that if rtlsdr_read_sync() is used, I have to call it multiple > times sequentially. That looks not synchronized. > > But rtlsdr_read_async() function only accept one rtl-sdr device as input > parameter, and it will be blocked after it is called. So seems that it also > can't be used for my purpose directly. > > Also welcome any opinion on how to improve rtl-sdr lib/driver to support > this feature. > > Thank you. > > BR > > Jiao Xianjun >
