Hi all,

I hope you're doing well and having a good weekend. I had a question I
thought someone here might be able to answer; I'm attempting to get an
AirSpy dongle to work properly with GNU Radio but am running into some
issues. I attempted to install the right dependencies for the AirSpy (
https://github.com/airspy/airspyone_host) and then installed the gr-osmosdr
module (the gr-3.8 branch, as I still have GNURadio 3.8 installed), but
when I put "airspy=0, bias=1, pack=0" in the "Device Arguments" field of my
osmocom Source block and tried running my flowgraph, it gives me the
following output:

Generating: '/home/ellie/src/gr-ata/examples/usrp_2chrx.py'

Executing: /usr/bin/python3 -u /home/ellie/src/gr-ata/examples/usrp_2chrx.py

linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown

Traceback (most recent call last):
  File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 267, in
<module>
    main()
  File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 243, in main
    tb = top_block_cls(fc=options.fc, gaindB=options.gaindB,
samp_rate=options.samp_rate, src_name=options.src_name,
timestamp=options.timestamp)
  File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 131, in
__init__
    args="numchan=" + str(1) + " " + 'airspy=0, bias=1, pack=0, nchan=1'
  File "/usr/lib/python3/dist-packages/osmosdr/osmosdr_swig.py", line 1170,
in make
    return _osmosdr_swig.source_make(*args, **kwargs)
RuntimeError: Wrong device arguments specified. Missing nchan?

I also tried adding "nchan=1" to the "Device Arguments" field but that
didn't work either and resulted in the same error. I've attached my
flowgraph for reference. (Note that I made sure my AirSpy dongle was
plugged in before running it). Any ideas you might have on how to solve
this would be much appreciated, thanks in advance!

Cheers,
Ellie

-- 
Ellie White (she/her)
304-654-9381
Physics Major / Student Researcher
Marshall University

Attachment: record_psd_data.grc
Description: application/gnuradio-grc

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