Croydon FM 97.8

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bravedaveyboy
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Croydon FM 97.8

Post by bravedaveyboy » Fri Apr 30, 2021 8:14 pm

Not strictly speaking pirate radio, but it may have an impact on the pirate scene. Croydon FM have just announced their new frequency to be transmitted from the Croydon FM mast: 97.8. Seems awfully close to Radio 1 Guildford on 97.7, but I suppose Ofcom know what they're doing? :o

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Re: Croydon FM 97.8

Post by Albert H » Sat May 01, 2021 3:51 am

OFCOM changed the field strength rules to allow crappy frequency allocations like this. RSLs now get really stupid frequencies, and have no recourse to complaint when they can't be heard 200 yards from their site! It's a complete joke.

Apparently, OFCOM have sub-contracted a lot of their planning and enforcement to other companies, and (as usual) they went for the cheapest option rather than the option with competence.
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Re: Croydon FM 97.8

Post by fmuser877 » Sat May 01, 2021 11:35 am

Like Gateway FM in Essex does R1 ever interfere with it much? 97.9 gets into Essex to.

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Re: Croydon FM 97.8

Post by teckniqs » Sat May 01, 2021 2:17 pm

97.7 from Guildford (@2kW in Vertical) comes in strong around most of Sutton and parts of Croydon, I'm sure they could've done better and chose something a bit more sensible for the coverage area. :rip

.....I know they was using it before as an RSL frequency too, I remember there being three for Wimbledon Tennis FM (...does it really f*cking need three?!!), anyway one of them was on 87.7, the other 96.5 and another one on 97.8. :?

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Re: Croydon FM 97.8

Post by mpx » Sat May 01, 2021 2:37 pm

Croydon FM's coverage area must be quite small, 3-mile radius of the town probably.

Here's the coverage map for R1 Guildford
http://a-bc.co.uk/MCA/BBC000001-SU97474861.html

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Re: Croydon FM 97.8

Post by reverend » Tue May 04, 2021 11:06 am

teckniqs wrote:
Sat May 01, 2021 2:17 pm
I remember there being three for Wimbledon Tennis FM (...does it really need three?!!), anyway one of them was on 87.7, the other 96.5 and another one on 97.8. :?
Given that the Wimbledon TXs are just for commentary in/around the All England Club, being 100 kHz away from Guildford is not a problem, and conversely won't cause any interference in the Guildford coverage area. But 97.8 from Croydon sounds nuts. I know you can listen to Capital Xtra on 96.9 from Croydon in some parts of Surrey, so the potential for interference both ways is high.

Totally nuts :ofcom

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Re: Croydon FM 97.8

Post by famefm » Tue May 04, 2021 3:36 pm

reverend wrote:
Tue May 04, 2021 11:06 am
teckniqs wrote:
Sat May 01, 2021 2:17 pm
I remember there being three for Wimbledon Tennis FM (...does it really need three?!!), anyway one of them was on 87.7, the other 96.5 and another one on 97.8. :?
Given that the Wimbledon TXs are just for commentary in/around the All England Club, being 100 kHz away from Guildford is not a problem, and conversely won't cause any interference in the Guildford coverage area. But 97.8 from Croydon sounds nuts. I know you can listen to Capital Xtra on 96.9 from Croydon in some parts of Surrey, so the potential for interference both ways is high.

Totally nuts :ofcom

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What has 96.9 got to do with the subject of 97.8?

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Re: Croydon FM 97.8

Post by reverend » Wed May 05, 2021 9:22 am

96.9 is low power from Croydon!
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Re: Croydon FM 97.8

Post by famefm » Wed May 05, 2021 11:03 am

96.9 can still be heard across most of London and it's Crystal Palace not Croydon

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Re: Croydon FM 97.8

Post by reverend » Wed May 05, 2021 2:39 pm

Fair do's. Croydon is about 3 miles further south than Crystal Palace. I was just trying to point out that coverage from that part of London to Surrey is not that difficult.
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Re: Croydon FM 97.8

Post by famefm » Wed May 05, 2021 6:19 pm

And the biggest difference isn't the distance it'show high Crystal Palace is that is how such a weak signal like 96.9 can get so far it's under 50 watts

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Re: Croydon FM 97.8

Post by reverend » Fri May 07, 2021 2:35 pm

Yes, but the Guildford transmitter is pretty high itself!
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Re: Croydon FM 97.8

Post by mpx » Fri May 07, 2021 4:15 pm

and 4Kw

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Re: Croydon FM 97.8

Post by Albert H » Mon May 10, 2021 1:38 am

As I said before - frequency planning is not within OFCOM's competencies any more.
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Re: Croydon FM 97.8

Post by 87to108 » Tue May 11, 2021 8:20 am

mpx wrote:
Sat May 01, 2021 2:37 pm
Croydon FM's coverage area must be quite small, 3-mile radius of the town probably.

Here's the coverage map for R1 Guildford
http://a-bc.co.uk/MCA/BBC000001-SU97474861.html

And is there a pattern null in the direction of Guilford from 'Croydon FM' ?

Also does it transmit stereo? Might be best to just be mono if high level incoming signal(s) just 0.1 away

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Re: Croydon FM 97.8

Post by reverend » Tue May 11, 2021 9:41 am

Looks pretty 'omni' to me...

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Re: Croydon FM 97.8

Post by zoostorm » Thu May 13, 2021 12:38 am

I find that in Croydon itself, Xtra 107.1 from Ally Pally is stronger than 96.9 from CP which is supposed to be nulled.

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