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<p><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Disregard my previous message. I had to reinitialize the SDR and rx.py now loads with a zero center frequency in trunk.tsv using the lower sample rate as suggested.<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Bill<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">William G. Becks, WA8WG<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">N7027 Shady Lane Circle<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Porterfield, WI 54159<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Telephone: 715.735.0131<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">E-Mail: <a href="mailto:wa8wg@centurytel.net"><span style="color:blue;">wa8wg@centurytel.net</span></a><o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p></div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><div><div style="border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;"><p class="MsoNormal"><b><span style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;"> op25-dev@yahoogroups.com [mailto:op25-dev@yahoogroups.com] <br><b>Sent:</b> Wednesday, July 5, 2017 6:08 PM<br><b>To:</b> op25-dev@yahoogroups.com<br><b>Subject:</b> RE: [op25-dev] Re: sockaudio.py startup?<o></o></span></p></div></div><p class="MsoNormal"><o> </o></p><p class="MsoNormal"> <o></o></p><div id="ygrp-mlmsg"><div id="ygrp-msg"><div id="ygrp-text"><div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">I tried setting the center frequency to zero in my trunk.tsv and turning the sampling rate down but rx.py doesn’t like the zero center frequency. See below. Where can I download the patched version that allows a zero center frequency statement?</span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">pi@raspberrypi:~/op25/op25/gr-op25_repeater/apps $ ./rx.sh</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0-unknown</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;"> </span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">setting gain lna to 49</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">set_center_freq: 0</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 2: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 3: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 4: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 5: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 6: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 7: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 8: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 9: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 10: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">./rx.sh: line 11: $'\r': command not found</span></b><o></o></p><p class="MsoNormal"><b><span style="font-size:11.0pt;color:#1F497D;background:yellow;">pi@raspberrypi:~/op25/op25/gr-op25_repeater/apps $</span></b><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Thank you,</span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Bill</span><o></o></p><div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">William G. Becks, WA8WG</span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">N7027 Shady Lane Circle</span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Porterfield, WI 54159</span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">E-Mail: <a href="mailto:wa8wg@centurytel.net">wa8wg@centurytel.net</a></span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p></div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span><o></o></p><div><div style="border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;"><p class="MsoNormal"><b><span style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;"> <a href="mailto:op25-dev@yahoogroups.com">op25-dev@yahoogroups.com</a> [<a href="mailto:op25-dev@yahoogroups.com">mailto:op25-dev@yahoogroups.com</a>] <br><b>Sent:</b> Wednesday, July 5, 2017 4:03 PM<br><b>To:</b> <a href="mailto:op25-dev@yahoogroups.com">op25-dev@yahoogroups.com</a><br><b>Subject:</b> RE: [op25-dev] Re: sockaudio.py startup?</span><o></o></p></div></div><p class="MsoNormal"> <o></o></p><p class="MsoNormal"> <o></o></p><div id="ygrp-mlmsg"><div id="ygrp-msg"><div id="ygrp-text"><p>yes, though it depends on whether a center frequency has been specified. If so then OP25 remains tuned to the center frequency and if not, it retunes the SDR each time a frequency change is needed. From what I've seen the slow sample rate (250,000) on the PI causes the changes to be somewhat slow, so I was getting the first word(s) of calls chopped off. Currently (for the PI) we recommend -S 1000000 and setting the center frequency to zero, or omitting it. Another user reported getting a crash with this, and a possible workaround for it has just been pushed to the repo.... It should be possible to set the center frequency to zero. When this is done the trunk-tracking mode should work fine no matter how wide the system is, but it does preclude the use of the log-all-talkgroups-to-disk mode, unfortunately... <br><br>Max<o></o></p></div></div></div></div></div><div><p class="MsoNormal"><span style="color:white;"><o></o></span></p></div></div></div></div></p>
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