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All posts by js

Below are all of js's postings, with the most recent are at the bottom of the page.

J
Winter Hill (Bolton, England) transmitter
Tuesday 4 August 2020 5:22AM

Chris.SE:
Well, thanks for that, Chris! Ignorant as I am, I wasn't aware that local multiplexes might be transmitted from relays.

For some reason, I didn't see the Sutton Coldfield transmissions. I bow to your superior knoledge of the network.

After looking around a bit, I discovered that relays have relays that have relays!

But back to The Wrekin, and the service tables off it's frequencies.

The Wrekin doesn't have a parent transmitter but it's service tables belong to Sutton Coldfield.

Makes no sense to me.

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RO
J
Winter Hill (Bolton, England) transmitter
Tuesday 4 August 2020 6:27AM

Chris.SE: Another curiosity is the presence in the NIT of two BBC A multiplexes with the same target regions:

BBC A
ONID.TSID = 233A.1045
650 MHz, uhf 43, 8 MHz, 64-QAM, 8k, 2/3, 1/32
Target Regions = (GBR.England.West Midlands)
(
LCN SERVICE NAME
001 BBC ONE W Mid
002 BBC TWO
009 BBC FOUR
201 CBBC
202 CBeebies
231 BBC NEWS
232 BBC Parliament
250 BBC Red Button
601 BBC RB 1
700 BBC Radio 1
701 BBC R1X
702 BBC Radio 2
703 BBC Radio 3
704 BBC Radio 4
705 BBC R5L
706 BBC R5SX
707 BBC 6 Music
708 BBC Radio 4 Ex
709 BBC Asian Net.
710 BBC World Sv.
719 BBC CWR
720 BBC H&W
722 BBC WM
726 BBC Stoke
735 BBC Derby
)

BBC A
ONID.TSID = 233A.1053
514 MHz, uhf 26, 8 MHz, 64-QAM, 8k, 2/3, 1/32
Target Regions = (GBR.England.West Midlands)
(
LCN SERVICE NAME
001 BBC ONE W Mid
002 BBC TWO
009 BBC FOUR
201 CBBC
202 CBeebies
231 BBC NEWS
232 BBC Parliament
250 BBC Red Button
601 BBC RB 1
700 BBC Radio 1
701 BBC R1X
702 BBC Radio 2
703 BBC Radio 3
704 BBC Radio 4
705 BBC R5L
706 BBC R5SX
707 BBC 6 Music
708 BBC Radio 4 Ex
709 BBC Asian Net.
710 BBC World Sv.
719 BBC CWR
720 BBC H&W
721 BBC Shropshire
722 BBC WM
726 BBC Stoke
)

They are, presumably, mutually exclusive?

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SE
J
Winter Hill (Bolton, England) transmitter
Wednesday 5 August 2020 7:02AM

Chris.SE: Well, thanks for the compliment Chris, but I don't deserve it. And thanks for correcting the typo:

"The Moving Finger writes; and, having writ,
Moves on: nor all thy Piety nor Wit
Shall lure it back to cancel half a Line,
Nor all thy Tears wash out a Word of it."

I noticed it as soon as I had posted, but we can't edit our posts.

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GB
J
Winter Hill (Bolton, England) transmitter
Wednesday 5 August 2020 7:17AM

Chris.SE: Yes, I'm probably going to lose both Haslingden ch 29 BBC B and The Wrekin ch 30- BBC B on 12th August.

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GB
J
Winter Hill (Bolton, England) transmitter
Wednesday 5 August 2020 7:40AM

Chris.SE: Regarding Transport Stream IDs or TSIDs:

I'm not aware of any official list of TSIDs but the tables off com7 and 8 have SDT and EPG for what seems to be every UK multiplex.

Unfortunately, because they are not in the NIT, there are no Target Regions, frequencies, or LCNs for the services on them, so the problem is to discover the transmitters that carry them.

There has never been any frequency data for T2 multiplexes anyway, so no loss there.

Only the PSBs have Target Regions other than GBR.

The BBC ONE service names give the region for BBC A multiplexes.

For D3&4, the EPG data gives the regional ITV local news.

For BBC B, where currently BBC ONE HD is not regionalised, the region is indicated, though perhaps not uniquely, by the ITV HD local news.


This is Com7 National pf.xls (663KB) - the now/next off com7 showing the ITV local news regions:

https://www.sendspace.com/file/lkg2gm

This list is from around the time when Com78 National first appeared:

https://pastebin.com/AjtqYETW

This is the current list:

https://pastebin.com/aAf4wvPp

The old list is useful for identifying Local Multiplexes which now have no indication of region or city, for example:

Local Multiplex
ONID.TSID = 233A.800B
(
LCN SID TYPE SERVICE NAME
--- 804B 01 That's TV
--- 82C0 01 Tiny Pop
--- 8380 01 Sony Movies +1
--- 84C0 01 Sony Channel
--- 8500 01 Sony Movies Classic
--- 8540 01 Ideal Extra
)

Local Multiplex
ONID.TSID = 233A.800B
(
LCN SID TYPE SERVICE NAME
--- 804B 01 That's Manchester
--- 8100 01 The Vault
--- 8200 01 POP Max
--- 8240 01 True Crime
--- 8280 01 True Movies
--- 82C0 01 Tiny Pop
--- 8380 01 Sony Movie Channel+1
)

That's the best I can offer you.

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GB