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Satellite PC Card Receivers, Internet by Satellite
Blindscan on linux with tbs cards
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<blockquote data-quote="deeptho" data-source="post: 1094737" data-attributes="member: 215446"><p>I have uploaded new versions of blindscan and media_build.</p><p></p><p>The new version supports si2183 (tbs6504) and also can download IQ samples (stv091x and stid125 only).</p><p>The picture below was captured on 5.0W with STV091x.</p><p></p><p>tbs0504 uses a vender provided blindscan algortihm. The spectrum is of low resolution. Better something</p><p>than nothing.</p><p></p><p>To captures, use a command like:</p><p></p><p>./neumo-tune -a 8 -c iq -f 11138000 -pV -n 8000</p><p></p><p>This tunes to 11138V on adapter 8 and downloads 8000 samples.</p><p>It saves the samples to /tmp/iqV.dat (or iqH.dat).</p><p>To visualise:</p><p>cd /tmp</p><p>$DIR/plotiq.py</p><p>where $DIR is the directory containing plotiq.py</p><p></p><p>The same program can also blind tune to any frequency, report tuning details</p><p> and then wait forever (e.g., to use dvbsnoop). Here is an example</p><p>./neumo-tune -a 8 -c tune -f 11138000 -pV -n 8000</p><p>RESULT: freq=11137.096V Symrate=29945 Stream=255 pls_mode= 3:262143 ISI list: 171</p><p>SIG=-25.21dB SIG= 75% CNR=14.50dB CNR= 72% SYS(21) 8PSK FEC_2_3 INV_OFF PIL_ON ROLL_AUTO</p><p></p><p></p><p>Blindscan and spectrum download is done with the command</p><p>./neumo-blindscan ... (see earlier posts or github) for details.</p><p></p><p>[URL unfurl="true"]https://github.com/deeptho/blindscan[/URL]</p><p></p><p></p><p>[ATTACH=full]132156[/ATTACH]</p></blockquote><p></p>
[QUOTE="deeptho, post: 1094737, member: 215446"] I have uploaded new versions of blindscan and media_build. The new version supports si2183 (tbs6504) and also can download IQ samples (stv091x and stid125 only). The picture below was captured on 5.0W with STV091x. tbs0504 uses a vender provided blindscan algortihm. The spectrum is of low resolution. Better something than nothing. To captures, use a command like: ./neumo-tune -a 8 -c iq -f 11138000 -pV -n 8000 This tunes to 11138V on adapter 8 and downloads 8000 samples. It saves the samples to /tmp/iqV.dat (or iqH.dat). To visualise: cd /tmp $DIR/plotiq.py where $DIR is the directory containing plotiq.py The same program can also blind tune to any frequency, report tuning details and then wait forever (e.g., to use dvbsnoop). Here is an example ./neumo-tune -a 8 -c tune -f 11138000 -pV -n 8000 RESULT: freq=11137.096V Symrate=29945 Stream=255 pls_mode= 3:262143 ISI list: 171 SIG=-25.21dB SIG= 75% CNR=14.50dB CNR= 72% SYS(21) 8PSK FEC_2_3 INV_OFF PIL_ON ROLL_AUTO Blindscan and spectrum download is done with the command ./neumo-blindscan ... (see earlier posts or github) for details. [URL unfurl="true"]https://github.com/deeptho/blindscan[/URL] [ATTACH type="full"]132156[/ATTACH] [/QUOTE]
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Blindscan on linux with tbs cards
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