Ambulance Frequencies London + Surrey. Need help!

Scanning radio frequencies for the South East
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2E0YGG
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Ambulance Frequencies London + Surrey. Need help!

Post by 2E0YGG » 28 Mar 2008, 17:00

Well as from the list the frequencies for surrey ambulance are 166.5125 for base and another one for mobile. So transmissions are on two frequencies.

Now I was going to this frequency but heard something on 166.525, a frequency close to 166.5125 and also a better signal than the surrey one normally is.

So I started listening to this and it was obvious it was ambulance, however the transmissions were all on one channel.

Whilst listening to it I heard three place names; Bromley, Lewisham + Biggin Hill.

So it twigged, it must be london... I had a look on here but couldn't see any london listings so I couldn't confirm it.

Anyway, back to the listening, I heard a controller say the following line. 'General Broadcast, general broadcast channel 4'.

So they have four (if not more channels)?

Maybe they have different ones for each london area, it certainly wasn't a reserver channel because it had heavy traffic. Well I am thoroughly confused.

Can anybody shed light on this?

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RE: Ambulance Frequencies London + Surrey. Need help!

Post by G0TVJ » 28 Mar 2008, 19:28

166.525 is indeed London Ambulance Service Channel 4.

I have the following LAS channels listed. I think these are reasonably accurate and up-to-date:

166.275 Ch 11 East Central
166.300 Ch 9 Spare
166.3125 Ch 1 West
166.350 Ch 2 North East
166.4125 Ch 3 South East
166.425 Ch 7 G-HEMS/Paramedics
166.450 Ch 6 Reserve/Special Events
166.525 Ch 4 South West
166.575 Ch 10 Central South

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RE: Ambulance Frequencies London + Surrey. Need help!

Post by 2E0YGG » 03 Apr 2008, 18:01

listening to the channel more and I now have an idea of how it works.

166.525 is the RX for the channel as it is a repeater. Not sure of the input but you only need to listen to the RX

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RE: Ambulance Frequencies London + Surrey. Need help!

Post by G0TVJ » 14 Apr 2008, 19:12

The repeater input is 4.8 mHz above the output.

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2E0YGG
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RE: Ambulance Frequencies London + Surrey. Need help!

Post by 2E0YGG » 27 Apr 2008, 15:50

4.8MHz is a lot. why would they make the difference so much?

amatuer repeaters are 600Hz apart..

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Re: Ambulance Frequencies London + Surrey. Need help!

Post by Wiggler » 10 Oct 2012, 00:23

Are they now all on tetra/airwave and no longer using these??

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Re: Ambulance Frequencies London + Surrey. Need help!

Post by RadioNerdz » 30 Oct 2012, 13:05

Wiggler wrote:Are they now all on tetra/airwave and no longer using these??
Yes, you'll only find voluntary aid organisations (St John/Red Cross) operating on analogue frequencies. The Red Cross are beginning the transition to TRBO, however within Surrey there are ten active fixed analogue BRC repeaters.

On support shifts (St John/Red Cross act as an active reserve) they use Airwave. You will only hear 'medical comms' at events. The London to Brighton Bike Ride is a good one to listen out for. ;)

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Re: Ambulance Frequencies London + Surrey. Need help!

Post by Wiggler » 31 Oct 2012, 15:52

RadioNerdz wrote:The London to Brighton Bike Ride is a good one to listen out for. ;)
Lol I did that bike ride a few months ago... But was far to busy to listen to my scanner :(

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