If you just use the rx_samples_to_file utility that comes with UHD what are your results
Can you share your GNuRadio flow graph with us? What type of USRP do you have? There are about a dozen different models of USRP out there. Sent from my iPhone > On Apr 27, 2021, at 1:24 PM, Hirst (US), Stephen <[email protected]> > wrote: > > > Hi Guys, > > I appreciate you all and thank you for the great community that is this > mailing list! Continue on! > > I, however, am a complete N00B and require assistance on some seemingly minor > tasks that I believe you could help me out on. :) > > With that being said, I find myself with the Ubuntu 20.04LTS install on a > rather “fast” Dell laptop (specs down below.) > - 8th Gen Intel Core i7-8650U Processor (Quad Core, 8M Cache, > 1.9GHz,15W, vPro) > - 16GB, 2x8GB, 2666MHz DDR4 Non-ECC > - M.2 1TB PCIe NVMe Class 40 Opal 2.0 Self Encrypting Solid State > Drive > > I have fiddled around with an online install on the laptop but I haven’t > gotten the overflows and underflows to cooperate. And to be more specific, I > can record a sample rate of 2Mhz and 0.2Mhz bandwidth without issue, but I > can’t get a SR or BW greater than those to work without Under/Overflows > developing. (I have been using UHD 3.15.0.02build5 with GNURadio 3.8.1.0 > (Python 3.8.2) (grc and grc-uhd) and installed everything with “apt”. The > first line in my grc python output labels “Linux GNU C++ version 9.2.1 > 20200304; Boost_107100; UHD_3.15.0.0-2build5”, USB3.0). Any ideas? I tried > both the num_recv_frame size stuff and setting high priority with no joy, but > then again, I am a N00b, so I may not have done that correctly as well… > > Also if anyone has experience with GRC specifically, I have had success > recording what I wanted to with a file with the 2MHz Sample Rate with a 0.2 > MHz BW, but the files are pretty huge. We’re talking 1GB/min… Any idea how to > make the GRC record to a less-fine resolution so I can free up some HDD space? > > Thanks guys! > Ya Boi Steve > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected]
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