@m0puh I always thought you had to have a License Variation to set up any kind of repeater - although Ofcoms guidelines don't give any other details like the level of license required.
My thoughts are these homebrew setups are rarely compliant with any CEPT rules for such equipment (amateur or PMR) and unlikely to work well anyway because of desensetisation of the RX by the TX...
The most definitive thing I've found so far is in https://www.ofcom.org.uk/__data/assets/pdf_file/0028/53965/ir2028.pdf
> Stations capable of Remote Control Operation for general unsupervised use by other Radio Amateurs (e.g. repeater stations, certain beacon stations etc.) aresubject to successful frequency co-ordination and are not covered by the licensing regime in this document.
@vfrmedia So I think you're probably right. I still wonder about portable repeaters though, I can't see how you'd go about getting an NoV for anything except a fixed site.
@m0puh I have a Business Radio Suppliers Light license (which I use so I can legally test pager transmitters and other equipment at home that get deployed at work) - this permits me to deploy a 10W VHF or UHF repeater at my house (or even hire out the things) but I have to use proper business grade PMR equipment (which is of course not cheap) and take great care not to cause TVI or any other interference..
@m0puh as for amateur use I wouldn't have thought getting an NoV for portable repeater would be totally impossible; but it would have to be something like the two back to back "taxi radios" with a diplexer and PSU built into a rack unit you can buy from PMR suppliers.
Which is a a bit more £££ than two Baofengs and an audio cable 😉
@vfrmedia Right, that makes sense. I wonder how you get one though. Business Radio sounds simpler!
@m0puh there are more restrictions on Business Radio use - homebrew kit is verboten, a Suppliers license only permits testing or short term hire to endusers - and although Baofengs are /just about/ compliant with CEPT requirements if one with a keypad is handed to a non tech end user it must have the VFO locked out (which can be done via Chirp).
RAYNET have both amateur and Business Radio licences to make working alongside ST Johns and NHS Ambulance trusts (using legacy VHF schemes) easier..
@vfrmedia ahh right, I wondered how RAYNET worked!
Thanks for the info, I’m glad I asked 👍🏼
@m0puh I suspect they don't have a bog standard PMR licence either but something that allows them to communicate with ST Johns and NHS, although overall ITU radio regulations permit this kind of operation in emergency situations anyway.
A Business Radio license does allow encryption (with the usual caveat HMG can ask for decrypted messages after due process) which makes sense if they are going to be transmitting patient data of any kind..
@vfrmedia presumably a big organisation like RAYNET has a lot of sway with Ofcom and can get what they need.
True! I'm pretty sure nobody minds illegal radio use in emergencies.
@m0puh to be fair Ofcom are quite pragmatic and responsive (compared to the old DTI) - if you want to do something "unusual" (that isn't listed on their website) you can just ask them and they will tell you if its OK and/or how to do it within a few days.
AFAIK There is some UN/iTU resolution a govt/Communications Ministry can invoke permitting amateurs to operate on other frequencies in emergency - but I think RAYNET got the Business Radio license in order to use encryption..
Hi, sadly Raynet has no more or less sway than any other radio users and the licence when last redrafted made things very complicated.... The old restriction on running a repeater was removed because it conflicted with people remote controlling their stations. Instead we got the 'general unsupervised use' statement instead. RAYNET activities are not 'general' so that's how/why we issue permits.
Since I forget how long toots can be :-)
The only services I remember in the ITU radio regulations that can transmit anywhere in emergencies are maritime and maybe aeronautical. Amateur Radio can't unless local regulations allow it (UK=no). RAYNET got a PMR licence for interoperability with the other services on the same frequencies not encryption. Encryption in the UK amateur bands is only allowed by User Service request in emergencies.
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