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<blockquote data-quote="CyberSimian" data-source="post: 1275448" data-attributes="member: 141969"><p>The transmitter that serves my area is Rowridge. It too used to have the two DVB-T2 MUXes located in the 700MHz band, but when I looked on the Freeview web site this morning, one of those MUXes is no longer listed. This is the same as your finding for Crystal Palace.</p><p></p><p>One of the tools that I have on my system is <strong>ScanChannelsBDA_UK.exe</strong>. This is a standalone tool that uses one of the tuners to scan for DVB-T channels. It does this independently of MP, so it will not affect your existing MP setup. I have attached it in a zip file.</p><p></p><p>This is the output that it generates at my location for the 482MHz MUX. Notice that it tells you the UHF frequency of the MUX (but not the UHF channel number):</p><p></p><p>[code]=============================================================</p><p># locked on 482000KHz, please wait for network information...</p><p></p><p># Network Information...</p><p></p><p>Frequency (Actual) = 482167kHz</p><p></p><p>Network Name = South</p><p></p><p>Channel Name LCN SID Vid Aud PMT</p><p>-------------------------------------------------------------</p><p>Sky News , 233, 22080, 101, 102, 701 #</p><p>Sky News , , 22080, 101, 104, 701 #</p><p>Pick , 11, 22208, 301, 302, 703 #</p><p>Pick , , 22208, 301, 304, 703 #</p><p>Challenge , 46, 22226, 201, 202, 727 #</p><p>Challenge , , 22226, 201, 204, 727 #</p><p>Dave , 19, 22272, 401, 402, 704 #</p><p>Dave , , 22272, 401, 404, 704 #</p><p>4Music , 29, 22368, 2511, 2512, 705 #</p><p>4Music , , 22368, 2511, 2514, 705 #</p><p>Film4+1 , 45, 22464, 511, 512, 729 #</p><p>Film4+1 , , 22464, 511, 514, 729 #</p><p>4seven , 47, 22528, 2801, 2802, 711 #</p><p>4seven , , 22528, 2801, 2804, 711 #</p><p>talkSPORT , 211, 22592, 0, 1101, 706 #</p><p>RNIB Connect , 218, 22624, 0, 1201, 712 #</p><p>Classic FM , 219, 22848, 0, 1801, 707 #</p><p>LBC , 220, 22880, 0, 1901, 708 #</p><p>Trans World Radio , 221, 22912, 0, 1711, 719 #</p><p>Food Network , 41, 23040, 2311, 2312, 714 #</p><p>Smithsonian Channel , 57, 23152, 2641, 2642, 732 #</p><p>Hochanda , 85, 23328, 641, 642, 733 #</p><p>Really , 17, 23712, 2111, 2112, 718 #</p><p>Really , , 23712, 2111, 2114, 718 #</p><p>Quest Red , 38, 23744, 661, 662, 726 #</p><p>Quest Red , , 23744, 661, 664, 726 #</p><p>QUEST+1 , 76, 23808, 2931, 2932, 709 #</p><p>QUEST+1 , , 23808, 2931, 2934, 709 #</p><p>Together TV , 88, 24192, 2811, 2812, 722 #</p><p>Gems TV , 43, 24448, 2401, 2402, 725 #</p><p></p><p></p><p># Signal Strength = 51</p><p># Signal Quality = 87%</p><p></p><p>=============================================================[/code]</p><p></p><p></p><p>ScanChannelsBDA_UK was written before DVB-T2 was created, so although the tool will recognise that there is a signal present on a DVB-T2 frequency, the tool cannot understand the data format, and hence cannot list the channels present in that MUX. This is what it generates for a DVB-T2 MUX:</p><p></p><p>[code]=============================================================</p><p># locked on 474000KHz, please wait for network information...</p><p></p><p># Network Information...</p><p></p><p>Frequency (Actual) = 0kHz</p><p></p><p>Network Name = South</p><p></p><p>Channel Name LCN SID Vid Aud PMT</p><p>-------------------------------------------------------------</p><p></p><p></p><p># Signal Strength = 51</p><p># Signal Quality = 70%</p><p></p><p>=============================================================[/code]</p><p></p><p></p><p></p><p>Does this happen for all channels that are not broadcasting, or only for some? I have just tried this using "BBC4", and it took 17 seconds from clicking "Preview" on the "TV Channels" panel until the "Preview failed: No Video/Audio Detected" pop-up appeared. This was using MP 1.25.</p><p></p><p>-- from CyberSimian in the UK</p></blockquote><p></p>
[QUOTE="CyberSimian, post: 1275448, member: 141969"] The transmitter that serves my area is Rowridge. It too used to have the two DVB-T2 MUXes located in the 700MHz band, but when I looked on the Freeview web site this morning, one of those MUXes is no longer listed. This is the same as your finding for Crystal Palace. One of the tools that I have on my system is [B]ScanChannelsBDA_UK.exe[/B]. This is a standalone tool that uses one of the tuners to scan for DVB-T channels. It does this independently of MP, so it will not affect your existing MP setup. I have attached it in a zip file. This is the output that it generates at my location for the 482MHz MUX. Notice that it tells you the UHF frequency of the MUX (but not the UHF channel number): [code]============================================================= # locked on 482000KHz, please wait for network information... # Network Information... Frequency (Actual) = 482167kHz Network Name = South Channel Name LCN SID Vid Aud PMT ------------------------------------------------------------- Sky News , 233, 22080, 101, 102, 701 # Sky News , , 22080, 101, 104, 701 # Pick , 11, 22208, 301, 302, 703 # Pick , , 22208, 301, 304, 703 # Challenge , 46, 22226, 201, 202, 727 # Challenge , , 22226, 201, 204, 727 # Dave , 19, 22272, 401, 402, 704 # Dave , , 22272, 401, 404, 704 # 4Music , 29, 22368, 2511, 2512, 705 # 4Music , , 22368, 2511, 2514, 705 # Film4+1 , 45, 22464, 511, 512, 729 # Film4+1 , , 22464, 511, 514, 729 # 4seven , 47, 22528, 2801, 2802, 711 # 4seven , , 22528, 2801, 2804, 711 # talkSPORT , 211, 22592, 0, 1101, 706 # RNIB Connect , 218, 22624, 0, 1201, 712 # Classic FM , 219, 22848, 0, 1801, 707 # LBC , 220, 22880, 0, 1901, 708 # Trans World Radio , 221, 22912, 0, 1711, 719 # Food Network , 41, 23040, 2311, 2312, 714 # Smithsonian Channel , 57, 23152, 2641, 2642, 732 # Hochanda , 85, 23328, 641, 642, 733 # Really , 17, 23712, 2111, 2112, 718 # Really , , 23712, 2111, 2114, 718 # Quest Red , 38, 23744, 661, 662, 726 # Quest Red , , 23744, 661, 664, 726 # QUEST+1 , 76, 23808, 2931, 2932, 709 # QUEST+1 , , 23808, 2931, 2934, 709 # Together TV , 88, 24192, 2811, 2812, 722 # Gems TV , 43, 24448, 2401, 2402, 725 # # Signal Strength = 51 # Signal Quality = 87% =============================================================[/code] ScanChannelsBDA_UK was written before DVB-T2 was created, so although the tool will recognise that there is a signal present on a DVB-T2 frequency, the tool cannot understand the data format, and hence cannot list the channels present in that MUX. This is what it generates for a DVB-T2 MUX: [code]============================================================= # locked on 474000KHz, please wait for network information... # Network Information... Frequency (Actual) = 0kHz Network Name = South Channel Name LCN SID Vid Aud PMT ------------------------------------------------------------- # Signal Strength = 51 # Signal Quality = 70% =============================================================[/code] Does this happen for all channels that are not broadcasting, or only for some? I have just tried this using "BBC4", and it took 17 seconds from clicking "Preview" on the "TV Channels" panel until the "Preview failed: No Video/Audio Detected" pop-up appeared. This was using MP 1.25. -- from CyberSimian in the UK [/QUOTE]
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