Digital Spy

Search Digital Spy
 

DS Forums

 
 

FM Below 87.5 Channel 4 Audio on 86.9?


Reply
Thread Tools Search this Thread
Old 07-05-2013, 21:25
fmradiotuner1
Forum Member
 
Join Date: Mar 2008
Location: TheEssexSunshineCoast Clacton
Posts: 12,966

So was scanning below 87.5 just now on my radio and came across this.
Is really strange as TV is all digital now here.
So wonder what is causing this?

http://youtu.be/lI2HFEnagao

fmradiotuner1 is offline   Reply With Quote
Please sign in or register to remove this advertisement.
Old 07-05-2013, 21:42
bowland37
Forum Member
 
Join Date: Jul 2008
Posts: 4,230
It will be your radio overloading from a nearby transmitter.
bowland37 is offline   Reply With Quote
Old 07-05-2013, 21:51
fmradiotuner1
Forum Member
 
Join Date: Mar 2008
Location: TheEssexSunshineCoast Clacton
Posts: 12,966
There is a transmitter in Clacton but its Digital so how is my radio getting audio?
fmradiotuner1 is offline   Reply With Quote
Old 07-05-2013, 21:54
bowland37
Forum Member
 
Join Date: Jul 2008
Posts: 4,230
There is a transmitter in Clacton but its Digital so how is my radio getting audio?
Prob just from your local BBC transmitters. I get it on my Roberts personal radio with usually R4 coming though on 87.8 in a not especially strong signal area.
bowland37 is offline   Reply With Quote
Old 07-05-2013, 22:33
KnobTwiddler
Forum Member
 
Join Date: Aug 2004
Location: In My Own Little World
Posts: 1,586
So was scanning below 87.5 just now on my radio and came across this.
Is really strange as TV is all digital now here.
So wonder what is causing this?

http://youtu.be/lI2HFEnagao

I know what that is!!

It's the Sky News link to their central London studio not Ch4, it's been on that frequency for years here in London.

There's been lift conditions today up the East coast so that's why you are receiving it - mystery solved.
KnobTwiddler is offline   Reply With Quote
Old 07-05-2013, 22:41
fmradiotuner1
Forum Member
 
Join Date: Mar 2008
Location: TheEssexSunshineCoast Clacton
Posts: 12,966
Thanks for this
fmradiotuner1 is offline   Reply With Quote
Old 08-05-2013, 09:31
35321
Forum Member
 
Join Date: May 2004
Location: southern Ireland
Posts: 109
Doing a bit of googling the exact frequency is supposed to be MHz - " 86.8375 SKY NEWS TALKBACK/SOUND vegetable LONDON FM "
(if you have a scanner / narrowband-FM receiver)

I assume its narrowband-FM so tuning it in on a radio which covers the Japanese FM band it will be significantly lower in volume than regular FM stations.
35321 is offline   Reply With Quote
Old 08-05-2013, 21:27
KnobTwiddler
Forum Member
 
Join Date: Aug 2004
Location: In My Own Little World
Posts: 1,586
Doing a bit of googling the exact frequency is supposed to be MHz - " 86.8375 SKY NEWS TALKBACK/SOUND vegetable LONDON FM "
(if you have a scanner / narrowband-FM receiver)
Spot on 35321 - I think it's coming from Sky's Isleworth studios and it is NBFM. It sounds much better on a scanner tuned to the 12.5 kHz channel.

I used to hear it many years ago (I can't quite remember the frequency, but I think it was around either 49 or 68 MHz) then it disappeared only to reappear on it's present frequency just outside of the Band II broadcast band.
KnobTwiddler is offline   Reply With Quote
Old 09-05-2013, 17:49
fmradiotuner1
Forum Member
 
Join Date: Mar 2008
Location: TheEssexSunshineCoast Clacton
Posts: 12,966
Still picking this up in fact is coming in clearer today here.
Has audio from The Chase on now.
fmradiotuner1 is offline   Reply With Quote
Old 09-05-2013, 21:15
bowland37
Forum Member
 
Join Date: Jul 2008
Posts: 4,230
Why do they bother with this in this day and age of cheap internet links?
bowland37 is offline   Reply With Quote
Old 09-05-2013, 21:37
ACL777
Forum Member
 
Join Date: Sep 2011
Location: Norwich
Posts: 1,117
So was scanning below 87.5 just now on my radio and came across this.
Is really strange as TV is all digital now here.
So wonder what is causing this?

http://youtu.be/lI2HFEnagao

I was also scanning below 87.5 today and picked up what seemed to be tv audio.I think there are quite a few analogue links still out there. I've stumbled across one in the UHF region .
ACL777 is offline   Reply With Quote
Old 12-05-2013, 13:33
alexgray
Forum Member
 
Join Date: Aug 2005
Posts: 28

I was also scanning below 87.5 today and picked up what seemed to be tv audio.I think there are quite a few analogue links still out there. I've stumbled across one in the UHF region .
In any populated area you'll find TV audio popping up in the UHF bands, coming from the UHF outputs of set-top boxes, Sky receivers etc.

Most of these have an analogue UHF output for feeding a TV set (as well as a SCART connection), and they mostly use frequencies around UHF channels 34-38 and 66-68, but can usually be tuned to any local 'white space' by the user.
alexgray is offline   Reply With Quote
Old 12-05-2013, 17:40
Emmerdale Web
Forum Member
 
Join Date: Nov 2006
Location: Leeds
Posts: 267
Why do they bother with this in this day and age of cheap internet links?
Probably to get around Latency and relaibility of cheap internet" links.
Emmerdale Web is offline   Reply With Quote
 
Reply



Thread Tools Search this Thread
Search this Thread:

Advanced Search

 
Forum Jump


All times are GMT +1. The time now is 00:56.