Unusual frequencies

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Unusual frequencies

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8 May 2009 at 06:12 #20696
Paul T
Participant
@pault84577
I have just bought myself a 36mhz 4 channel transmitter and I want to know if anybody has had any problems using this frequency in the UK.

Paul
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8 May 2009 at 06:12 #5035
Paul T
Participant
@pault84577
8 May 2009 at 07:08 #20698
Bob Abell 2
Participant
@bobabell2
Hello Matey Boy

Do you mean 35 MH?……………Never heard of 36 MH?

35MH is for aircraft only……………………eh?

Bob
8 May 2009 at 07:25 #20699
Paul T
Participant
@pault84577
Morning Bob

36mhz is a common channel “down under” for boats and my understanding is that in the Uk it is a shared channel for surface models and civil defence.

Paul
8 May 2009 at 08:39 #20703
Colin Bishop
Moderator
@colinbishop34627
Not legal for models here Paul according to the MPBA site: http://www.mpba.org.uk/technical/ukrcc.htm

Colin
8 May 2009 at 19:28 #20717
Paul T
Participant
@pault84577
Colin

Thanks for the information however I have been looking at the Uk frequency allocation chart and 36mhz falls into the band for model control but is not in the strict 35mhz model aircraft band.

Follow this link to see a copy of the allocation chart.

http://www.roke.co.uk/download/datasheets/uk–frequency–allocations.pdf

Paul
8 May 2009 at 19:47 #20719
Colin Bishop
Moderator
@colinbishop34627
At your own risk then Paul! Why not just use a radio that conforms to the standard rules?

Colin
9 May 2009 at 06:34 #20734
Paul T
Participant
@pault84577
Good Morning Colin

That’s a very fair question; it must seem incongruous that I should bother to try using the 36 MHz transmitter when there are so many good and more formally acceptable units available.

I just like to push myself as much as I am able, which these days isn’t much, and investigating using this frequency for model control (in the UK) is giving the old grey matter something to do.

I bought the brand new 4 channel transmitter off fleabay for 1p (I also bought a 4 channel 40MHz unit as well) from Hong Kong so there is little worry about wasting money and, if in the fullness of time it transpires that I cant legally use the 36MHz unit then it will just gather dust in the shed meanwhile I am having some harmless fun pushing at boundaries.

As I said it might seem incongruous to some but others will understand that I am filling up my days with challenges rather than just sitting and waiting for countdown to start.

Paul
9 May 2009 at 18:58 #20749
Colin Bishop
Moderator
@colinbishop34627
Well I did ask! Fair comment Paul.

Colin
10 May 2009 at 01:09 #20757
Telstar
Participant
@telstar
Hi Paul

This site gives some info on radio frequencies for models

http://www.ofcom.org.uk/radiocomms/ifi/licensing/classes/rlans/technical/ofw311/

Cheers tom
10 May 2009 at 05:20 #20758
Peter Fitness
Participant
@peterfitness34857
36 Mhz is approved for use here in Australia for aircraft, but can also be used for boats. All my radios are on the 36 Mhz band, as they are the ones I used while flying RC aircraft. Most of our club members also use the 36 Mhz band. Any flying fields are a long way from our boat lake, so the risk of “shooting down” an aircraft is virtually non-existent.

Many years ago, I bought a 35 Mhz radio from England, but had it converted to 36 Mhz to comply with the relevant legislation covering the use of radio control equipment.

Peter.
10 May 2009 at 07:28 #20760
Dr John Booth
Participant
@drjohnbooth43899
Paul

Whilst 36 mhz is common in Europe and Australia for model control in the Uk the frequency is used for short range audio / TV equipment and for civil defence / military applications.

I suggest that you contact offcom for their advice before using the transmitter.

John
19 May 2009 at 11:46 #20982
Paul T
Participant
@pault84577
Offcom have just confirmed that I can use the 36MHz frequency for model boat control so I am one happy bunny.
19 May 2009 at 17:21 #20991
Colin Bishop
Moderator
@colinbishop34627
You were right after all then – and got yourself a bargain to boot. You can even use it in Australia and NZ as well!

Colin
19 May 2009 at 18:40 #20996
Paul T
Participant
@pault84577
Colin

I am over the moon as I bought one 40MHz and two 36MHz all are 4 channel and each one cost me 1p (+postage of £6) all I have to do with the36 units is to reverse the selector switch for the speed control.

With the 36MHz units I can sail without having to worry about other users or having to wait until a frequency becomes clear.

Paul
20 May 2009 at 00:24 #21005
Peter Fitness
Participant
@peterfitness34857
The approved frequency range for RC model usage of 36 Mhz in Australia is from 36.601 to 36.659.

Peter.
3 August 2010 at 18:08 #27944
Geoff Cropper
Participant
@geoffcropper73342
I have a brand new unused 35mhz fm setup and not allowed to use it for my boat because it might interfere with model aircraft. (what model aircraft, ? there aren’t any where I live. Do we all sail our boats next to model flying fields? I doubt that very much. What range do model transmitters work to? I don’t think its 20 miles or even 10 miles. Do modellers fly their planes 1 mile away from them? no of course they don’t, what would be the point in that. So tell me, who makes up these laws anyway? Someone who sails his boats in the middle of a model flying field, thats who. Surely its all down to common sense, If my radio interferes with someone else, then theirs will interfere with mine, so I don’t do it. Why don’t we have a national survey to find out how far away flying fields are from our boating lakes? I’ll bet it’s quite a long way, more than a couple of miles anyway. Love to hear from you. Regards Foggy.
3 August 2010 at 18:18 #27945
Colin Bishop
Moderator
@colinbishop34627
Well, like it or not, that is the law in the UK and it leaves plenty of frequencies available for us boaters. Obviously, if you live in the middle of nowehere then it isn’t likely to be a practical problem but it does mean that if you were to turn up with a 35mhz radio at a club event or show then the other modellers would take a dim view of it. If you are a boater, why did you buy a 35mhz rig in the first place? It’s not as if 40mhz, 27mhz or 2.5gig sets are expensive or difficult to come by?

Colin
3 August 2010 at 18:36 #27946
Geoff Cropper
Participant
@geoffcropper73342
And yet 27mhz can be used for boats and aircraft, how does that work then? Regards Foggy.
3 August 2010 at 18:52 #27947
Colin Bishop
Moderator
@colinbishop34627
Foggy,

It was because of the problems and accidents caused by both boats and aircraft being on 27mhz that the flyers were given their own frequency of 35mhz when it became available. The Citizens Band craze at the time also had a lot to do with the change. After that, very few flyers used 27mhz. Of course, now that 2.4ghz is available we are all one big happy family again. 35mhz and 40mhz sets are still available but most people are now going for 2.4ghz except for the submariners as 2.4ghz won’t penetrate water.

Colin
3 August 2010 at 19:23 #27951
ashley needham
Participant
@ashleyneedham69188
Fab, soon everyone will be on 2.4, and all us tight gits will be the ones laughing with our clockwork 27mhz sets and no competition for frequency space!!

Ashley (2 channels is fine for my occasional use)
26 November 2010 at 15:26 #28996
Geoff Cropper
Participant
@geoffcropper73342
You will be relieved to hear I’ve just fitted a Corona 2.4ghz kit to my Hitec Laser 6 35mhz Tranny. So no more 35mhz. Now I have a Futaba M series 27mhz Tx, a Hitec Ranger 3 40mhz Tx, and a Laser 6 2.4ghz Tx. Regards Foggy.
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