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Joseph Cardani jcardani at verizon.netHi Max, Thanks for the info on the hardware and ham lib. I defiantly want to use my ICOM R7000 with the USRP using the radio's 10.7 IF for input. So serial would be the way to go, or a serial-usb adapter as you stated. Aftern you mentioned about seeking UHD help on their forum, another response said to do a clean fresh reinstall of Ubuntu 12.05 LTS and start from scratch with the Pybombs. So this option would not fix the problem? Would this UHD issue in Pybombs affect everyone installing for the first time? or over an existing version? thanks as always, Joe On Mar 10, 2014, at 7:59 PM, <ikj1234i at yahoo.com> <ikj1234i at yahoo.com> wrote: > hi Joe - it's not really possible to give a hardware recommendation - in most cases the hardware can be made to work although if it's a very new model sometimes there may be a bit of lag before good driver support becomes availble. > > As far as serial vs. USB support for channel switching, this isn't so much a computer hardware issue as it is a radio issue - the answer will depend on the means employed by the receiver that is in use. USRP and HackRF take tuning commands over the same channel as the data flow, USB (and/or ethernet, for some USRP models). Other receivers such as those controlled by hamlib and that are equipped with an RS-232 interface would of course require serial support. Don't overlook the availability of the USB/serial dongles - but make sure they have they're at least +/- 9-12V - some may be +/-5V only which is not according to spec... > > Also - as previously mentioned, none of the pybombs issues you've reported are problems within OP25. The last time you posted an error message printout it was suggested you should seek help on the UHD forums - did you get anywhere with that ? > > Max > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/op25-dev/attachments/20140310/f8d0c56a/attachment.htm>