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 33cm on 934 MHz anyone ?

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WKseHqKWpuJe
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Posts : 2
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Join date : 2024-06-28
QTH or Location : Cologne / Germany
Equipment Used : Team TS-9M

33cm on 934 MHz anyone ?  Empty
PostSubject: 33cm on 934 MHz anyone ?    33cm on 934 MHz anyone ?  Icon_minitimeFri Jun 28, 2024 1:04 pm

Hi there, 
I just recently found out there was some CB Radio allocation on 33cm band, at 933/934 MHz.
Back in the day. It's completely defunct now. 
Did anyone use it ? 
Does anyone still use it ?
Any exeriences the old one would like to share ?

I understand only 3 countries worldwide had an allocation for 33cm-CB. That is Japan, Switzerland and UK.
In Japan and Switzerland you could not directly dial a channel and listen and talk, rather there was some automated call-group (5 digits) to channel assignment going on. The radios would sync on the first channel with digital coding and choose a channel that is not in use automatically. Weirdly modern for a hobbyist system from the 80s.
In the UK it was just simply 40 More channels but at 934 MHz.
All three countries used marginally different frequencies and were incompatible. UK 934 MHz, CH 933 MHz and JP 901 MHz (as far as I could figure out). Not much info left out there.
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2547
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Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

33cm on 934 MHz anyone ?  Empty
PostSubject: Re: 33cm on 934 MHz anyone ?    33cm on 934 MHz anyone ?  Icon_minitimeFri Jun 28, 2024 4:39 pm

Did try it once for a short time way back late 80s i think it was.
It was very line of sight i found and only over a short distance.
I believe it's not a legal frequency anymore in the UK.
Kit was very expensive as well back then.
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GaryWilson
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GaryWilson


Call Sign : 26-CT-1836 Ham 2E0GGQ
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PostSubject: Re: 33cm on 934 MHz anyone ?    33cm on 934 MHz anyone ?  Icon_minitimeFri Jun 28, 2024 5:21 pm

Same as Alan,

I couldn't afford the expensive kit required. You can still buy the radio's on eBay but as far as I'm aware the allocation has been withdrawn and is now used in telecommunications (I stand to be corrected)

Ironically I love the 70cm band I wish it was more used for Simplex, when you get up high some astonishing distances can be achieved.

Best 73 Gary.
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2547
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Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

33cm on 934 MHz anyone ?  Empty
PostSubject: Re: 33cm on 934 MHz anyone ?    33cm on 934 MHz anyone ?  Icon_minitimeYesterday at 5:18 am

Think you are right there Gary.
Telecommunications rings a bell.
Over a months mortgage to buy mine i also had a beam at home can't remember the price of that.
I was the local rig-doctor back then a flash bartender lol.
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PostSubject: Re: 33cm on 934 MHz anyone ?    33cm on 934 MHz anyone ?  Icon_minitime

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