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Old 1st Jan 2022, 7:52 pm   #141
rambo1152
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Default Re: Radio Caroline Power Increase

Just for fun I tried the cheap Chinese radio on 648kHz that was the subject of this thread:

https://www.vintage-radio.net/forum/...d.php?t=184986

I can just about hear Caroline here, 3 miles North of Manchester, the limiting factor seems to be the co-channel interference. the most dominant interfering station is producing a 2Hz beat with Caroline. I would have thought that's quite a lot, given the easy access to GPS frequency reference these days.
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Old 5th Jan 2022, 4:15 pm   #142
Pfraser
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Default Re: Radio Caroline Power Increase

Out in the countryside this morning, I tuned my Sony ICF-SW11 to 648kHz. An identifiable but not really listenable signal on the ferrite rod aerial, but...extending the telescopic aerial brought solid reception and the tuning indicator steadily lit!

I find this quite impressive. It's a 'secret' feature of this Sony model, in that the user manual makes no reference to boosting MW reception in this way. There's just the standard advice to rotate the receiver for best reception. I discovered it by accident.

I heard Caroline at 10:50 UTC. Panjab Radio on 558kHz were also quite strong; slightly weaker than Caroline. They emit 2.5kW from Crystal Palace.

Reception was boosted with the telescopic aerial vertical. There was still some benefit from orienting the ferrite rod aerial.

Two (at least) of the Russian Vega Selena models offered this feature: the B210 and B212.

I wonder how many other sets have it? Furthermore, could some sort of external coupling arrangement work on receivers without this feature? A wire croc-clipped to the telescopic aerial, then wound round the set several times, perhaps.
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Old 5th Jan 2022, 4:28 pm   #143
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Default Re: Radio Caroline Power Increase

Can't seem to get it in the West Midlands.
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Old 5th Jan 2022, 5:40 pm   #144
Jolly 7
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Default Re: Radio Caroline Power Increase

Radio Caroline's coming in with fair to good signals at present in the Southampton area. It's just after 5 30 PM. There is some occasional deep fading resulting in becoming almost inaudible, but it's mostly listenable without any co channel interference. I am listening to it on a home-built TRF MW receiver.
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Old 6th Jan 2022, 11:24 am   #145
eddie_ce
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Default Re: Radio Caroline Power Increase

After dark, here in northern Germany I can usually hear Caroline with considerable fading and some CCI on my Tecsun 330 using only the inbuilt ferrite rod.
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Old 7th Jan 2022, 11:53 am   #146
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Default Re: Radio Caroline Power Increase

Reasonable signal on an 80's Aiwa boombox from my place of work in NW2. Listenable for sure, but with some interference.

Will try in Luton (home) this evening if I remember.
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Old 9th Jan 2022, 4:15 pm   #147
stevehertz
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Default Re: Radio Caroline Power Increase

Further to my post 43 above, using a Tecsun PL-606* pocket trannie I can receive Caroline in Rugeley, Staffs. I say 'receive', it's debatable if you'd want to listen to it for long due to the background noise level, and I don't mean inside the house, it's just a weak signal. I can just about, with the volume up full and loads of background noise, receive it on my 193os Cossor 364, but it's for sure not listenable.

Now, if they could eke a few more watts of power...

*The Tecsun PL-606 is quite a 'powerful' little radio.
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