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These are the scan results (parser out of TVService.log):

[code]
[2019-01-12 21:17:02,330] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:530000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:02,433] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:87 quality:49

[2019-01-12 21:17:11,057] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:506000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:11,495] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:83 quality:49

[2019-01-12 21:17:16,843] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:482000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:17,417] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:84 quality:49

[2019-01-12 21:17:27,085] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:490000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:27,525] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:84 quality:49

[2019-01-12 21:17:33,143] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:514000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:33,578] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:83 quality:49

[2019-01-12 21:17:39,104] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:546000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:39,547] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:85 quality:49

[2019-01-12 21:17:45,185] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:746000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:17:46,454] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:75 quality:0

[2019-01-12 21:18:49,161] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:754000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:18:50,430] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:100 quality:0

[2019-01-12 21:19:53,120] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:634000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8
[2019-01-12 21:19:54,401] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:100 quality:0
[/code]

Note the 'quality:0' for the 746000, 754000 and 634000 kHz frequencies (com7, com8 and loc1 muxes).

So basically, for those frequencies, the tuner is saying it's locked on to the frequency, but the digital stream is rubbish... (the 'locked' 'signal' and 'quality' info comes from the tuner drivers, as far as I know).

That said, the 'signal:100' for those frequencies seems suspicious - could there be interference from something in the PC maybe (which the tuner is picking up instead of the real off-air signal)?

<blockquote data-quote="Owlsroost" data-source="post: 1252642" data-attributes="member: 83973">These are the scan results (parser out of TVService.log):[code][2019-01-12 21:17:02,330] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:530000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:02,433] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:87 quality:49[2019-01-12 21:17:11,057] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:506000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:11,495] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:83 quality:49[2019-01-12 21:17:16,843] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:482000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:17,417] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:84 quality:49[2019-01-12 21:17:27,085] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:490000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:27,525] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:84 quality:49[2019-01-12 21:17:33,143] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:514000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:33,578] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:83 quality:49[2019-01-12 21:17:39,104] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:546000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:39,547] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:85 quality:49[2019-01-12 21:17:45,185] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:746000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:17:46,454] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:75 quality:0[2019-01-12 21:18:49,161] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:754000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:18:50,430] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:100 quality:0[2019-01-12 21:19:53,120] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - dvbt: Scan:DVBT:tv:&nbsp; Freq:634000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8[2019-01-12 21:19:54,401] [Log&nbsp; &nbsp; ] [9&nbsp; &nbsp; &nbsp; &nbsp; ] [INFO ] - Scan: tuner locked:True signal:100 quality:0[/code]Note the 'quality:0' for the 746000, 754000 and 634000 kHz frequencies (com7, com8 and loc1 muxes).So basically, for those frequencies, the tuner is saying it's locked on to the frequency, but the digital stream is rubbish... (the 'locked' 'signal' and 'quality' info comes from the tuner drivers, as far as I know).That said, the 'signal:100' for those frequencies seems suspicious - could there be interference from something in the PC maybe (which the tuner is picking up instead of the real off-air signal)?</blockquote>

[QUOTE="Owlsroost, post: 1252642, member: 83973"] These are the scan results (parser out of TVService.log): [code] [2019-01-12 21:17:02,330] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:530000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:02,433] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:87 quality:49 [2019-01-12 21:17:11,057] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:506000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:11,495] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:83 quality:49 [2019-01-12 21:17:16,843] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:482000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:17,417] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:84 quality:49 [2019-01-12 21:17:27,085] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:490000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:27,525] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:84 quality:49 [2019-01-12 21:17:33,143] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:514000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:33,578] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:83 quality:49 [2019-01-12 21:17:39,104] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:546000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:39,547] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:85 quality:49 [2019-01-12 21:17:45,185] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:746000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:17:46,454] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:75 quality:0 [2019-01-12 21:18:49,161] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:754000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:18:50,430] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:100 quality:0 [2019-01-12 21:19:53,120] [Log ] [9 ] [INFO ] - dvbt: Scan:DVBT:tv: Freq:634000 ONID:-1 TSID:-1 SID:-1 PMT:0xFFFFFFFF FTA:False LCN:10000 BandWidth:8 [2019-01-12 21:19:54,401] [Log ] [9 ] [INFO ] - Scan: tuner locked:True signal:100 quality:0 [/code] Note the 'quality:0' for the 746000, 754000 and 634000 kHz frequencies (com7, com8 and loc1 muxes). So basically, for those frequencies, the tuner is saying it's locked on to the frequency, but the digital stream is rubbish... (the 'locked' 'signal' and 'quality' info comes from the tuner drivers, as far as I know). That said, the 'signal:100' for those frequencies seems suspicious - could there be interference from something in the PC maybe (which the tuner is picking up instead of the real off-air signal)? [/QUOTE]