Re: [Discuss-gnuradio] GSL_FOUND both TRUE and FALSE

2017-02-23 Thread Michael Wentz
I've seen this issue in Fedora 23/24/25. It will build the first time fine, but any successive builds complain about finding GSL. What I ended up doing is commenting out the last two lines in FindGSL.cmake: #INCLUDE(FindPackageHandleStandardArgs) #FIND_PACKAGE_HANDLE_STANDARD_ARGS(GSL DEFAULT_MSG

[Discuss-gnuradio] Changing the USRP transmitter gain after a timeout

2017-02-23 Thread Qurat-Ul-Ann Akbar
Hi, I want to alternate the gain of the USRP between two values after a certain period of time. For example after 100 ms it should go from A to B and after another 100 ms the value should go from B to A and so on. Is there an easy way of doing this in the GNU Radio companion or would I need to st

Re: [Discuss-gnuradio] Changing the USRP transmitter gain after a timeout

2017-02-23 Thread Derek Kozel
Hello, The command port interface can be used to change the gain value. There is an example of creating messages for tuning included in gr-uhd. https://github.com/gnuradio/gnuradio/blob/master/gr-uhd/examples/grc/uhd_msg_tune.grc I've used a function probe to generate coarsely timed "tick" messag

[Discuss-gnuradio] weak signal detection in gnuradio / gqrx

2017-02-23 Thread Jon Elson
Hello, new user of gnuradio. I'm still running on Ubuntu 12, so I installed a virtual Ubuntu 14.04 guest with Virtualbox, as I couldn't get gnuradio to compile on the Ubuntu 12 system. The virtual 14.04 install seems to run fine. I have a nooelec NESDR smart, rtl-sdr. I also have linrad i

Re: [Discuss-gnuradio] weak signal detection in gnuradio / gqrx

2017-02-23 Thread Marcus D. Leech
On 02/23/2017 11:28 PM, Jon Elson wrote: Hello, new user of gnuradio. I'm still running on Ubuntu 12, so I installed a virtual Ubuntu 14.04 guest with Virtualbox, as I couldn't get gnuradio to compile on the Ubuntu 12 system. The virtual 14.04 install seems to run fine. I have a nooelec N

[Discuss-gnuradio] red pitaya with GR?

2017-02-23 Thread Ralph A. Schmid, dk5ras
Hi, Is the red pitaya usable with gnuradio in an easy way, means, sink/source block, and ready to go, or is this more hassle? Quick google search did not show me clear results on this answer... I am searching affordable hardware similar to a B210 (means, small and portable) and with perfect gr su