On 9/5/07, <b class="gmail_sendername">Bill Williamson</b> <<a href="mailto:bill@bbqninja.com">bill@bbqninja.com</a>> wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><div><span class="q" id="q_114d34fa552a687f_1"><span class="gmail_quote">On 9/1/07, <b class="gmail_sendername">Joacim J</b> <<a href="mailto:jocke4news@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
jocke4news@gmail.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;"><span>On 8/31/07, <b class="gmail_sendername">Bill Williamson</b> <<a href="mailto:bill@bbqninja.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
bill@bbqninja.com</a>> wrote:
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<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><span><span class="gmail_quote">On 8/31/07, <b class="gmail_sendername">Joacim J</b> <<a href="mailto:jocke4news@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">jocke4news@gmail.com
</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;">What tool in Linux can I use with DVB-T tuners to test the signal quality so I can adjust the direction of the antenna (maybe it is possible to increase the signal by tweaking a bit).
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<div>tzap</div>
<div> </div></div></blockquote></div><br></span>I get SNR 00000<br><br>root@frodo:~/.tzap# tzap -a 0 "Discovery"<span><br>using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
<br></span>tuning to 594000000 Hz <br>video pid 0x03ab, audio pid 0x03aa<br>status 03 | signal 9910 | snr 0000 | ber 001fffff | unc 00003e9b |<br>status 1b | signal 9971 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
<br>status 1b | signal 99ba | snr 0000 | ber 00000000 | unc 000039ef | FE_HAS_LOCK <br>status 1b | signal 9971 | snr 0000 | ber 00000000 | unc 00003efe | FE_HAS_LOCK<br>status 1b | signal 998c | snr 0000 | ber 00000000 | unc 00003e40 | FE_HAS_LOCK
<br>status 1b | signal 9988 | snr 0000 | ber 00000000 | unc 00003f00 | FE_HAS_LOCK <br>status 1b | signal 9871 | snr 0000 | ber 00000000 | unc 00003f00 | FE_HAS_LOCK</blockquote>
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<div>you are getting a HUGE unc, which is "uncorrectable errors".</div></div></blockquote><div><br>There was something strange with the tuners on that card. I got a replacement today and that shows:<br><br>root@frodo
:~/.tzap# tzap -a 1 "Discovery"<br>using '/dev/dvb/adapter1/frontend0' and '/dev/dvb/adapter1/demux0'<br>tuning to 594000000 Hz<br>video pid 0x03ab, audio pid 0x03aa<br>status 07 | signal b547 | snr 0000 | ber 001fffff | unc 00000000 |
<br>status 1f | signal b3e2 | snr 0000 | ber 00000000 | unc 0000001d | FE_HAS_LOCK<br>status 1f | signal b530 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK<br>status 1f | signal b53f | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
<br>status 1f | signal b539 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK<br>status 1f | signal b558 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK<br>status 1f | signal b588 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
<br>status 1f | signal b592 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK<br>status 1f | signal b597 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK<br>status 1f | signal b4ad | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
<br><br>But I have still some problems but I don't think they are related to MythTV<br></div></div><br>-- <br>Regards<br>Joacim