<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-ZA link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have been following the instructions at (<a href="http://www.rs-online.com/designspark/electronics/eng/blog/running-a-gsm-network-on-the-raspberry-pi-2">http://www.rs-online.com/designspark/electronics/eng/blog/running-a-gsm-network-on-the-raspberry-pi-2</a>) but have encountered a strange error when I run the "uhd_usrp_probe" command, stating:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>"<o:p></o:p></p><p class=MsoNormal>linux; GNU C++ version 4.6.3; Boost_105000; UHD_003.008.002-151-gbf4f50de<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>-- Opening a UmTRX device... 192.168.10.2<o:p></o:p></p><p class=MsoNormal>Error: RuntimeError: NotImplementedError: holler protocol not implemented<o:p></o:p></p><p class=MsoNormal>"<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have done a search on Google for the error but there doesn't seem to be any information on it. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Do you have any idea what is causing it? Any help would be much appreciated.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Should you be interested in knowing the exact commands I ran when following the instructions, let me know and I’ll write them out.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Kea<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>