Two HackRF One Doesn’t work in GnuRadio Simultaneously

When we test two HackRFOne for connecting to laptop and running in gnuradio we have a strange observation, we can not see spectrum from two HackRF One  Simultaneously.

You can see video on youtube test two HackRF One running in gnuradio.

I created new issue on github please see link.

Finally i find solution my problem with guiding ghostop14  on github, that discussion is on issues gnuradio github.You can find it on this link.So we concluded that low sps is not running for two HackRF One, by changing sps to 1M,two HackRFOne Works like charm, every thing is ok,we can see two spectrum received from two HackRF One. For using two HackRF One i used index number, i announce it (index number) works like charm.

hackrf=0

hackrf=1

HackRF One has a command line interface, that is hackrf_info, the output it is here:

sp@SP:~$ hackrf_info
hackrf_info version: 2017.02.1
libhackrf version: 2017.02.1 (0.5)
Found HackRF
Index: 0
Serial number: 000000000000000003a464c834239b67
Board ID Number: 2 (HackRF One)
Firmware Version: 2017.02.1 (API:1.02)
Part ID Number: 0xa000cb3c 0x006a4743

Found HackRF
Index: 1
Serial number: 0000000000000000406464c823846d4b
Board ID Number: 2 (HackRF One)
Firmware Version: 2017.02.1 (API:1.02)
Part ID Number: 0xa000cb3c 0x00534f4b

 

For Gnuradio it even works with three HackRF One.Gnuradio really is great, i use simulink-hackrf library for using HackRF One in matlab, but it does n't work for two HackRF One.

 

 

 

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