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From: John on 20 Dec 2009 14:46
Doesn't the GSM-R communications for trains operate on a different
frequency to mobile phones?

It would be very interesting if we followed the same stance as they
have in Japan and banned use of all mobile phones on trains and public
transport. Did anyone see the episode of Top Gear when they were in
Japan and getting a lot of hassle from people when they tried using
their phones on the train?

I believe people have the right to use their phones but not when it
disturbs the peace and quiet of other commuters, whether that's loud
conversations were they shout down the phone on a quiet train first
thing in the morning as you're trying to get an hours sleep on your
way to work, or young hoodies blasting out music from their mono
speaker phone on your way home. Isn't this anti-social behaviour?

I think what we're saying here when we say "public" is confined public
spaces such as on trains, in train stations, on buses, coaches, in bus
stations, airports, on planes etc etc 9public transport). Not in the
middle of towns and cities in the outdoors, that's completely
different.

I don't know whether its legal or not to use a mobile phone jammer.
There is a big different between legal and lawful though and if you're
only jamming mobile phone signals not other communications from the
train I don't see the problem. If some idiot can't have a phone
conversation at 6am in the morning without raising his voice, I say by
all means switch on your jammer inside your bag. You have the right
not to be disturbed by loud shouting, music or from radio, magnetic or
other energies passing through your body. So jam away. I call it as
lawful excuse. Protection from harassement I say.

John


From: Andy Burns on 20 Dec 2009 14:49
On 20/12/09 19:46, John wrote:

> Doesn't the GSM-R communications for trains operate on a different
> frequency to mobile phones?

Yes, but only marginally outside the frequencies used by normal GSM800
phones, close enough that a jammer is likely to affect both.

> I don't know whether its legal or not to use a mobile phone jammer.

It isn't.
From: Ato_Zee on 20 Dec 2009 15:09

On 20-Dec-2009, John <bigbluewre(a)kingcrew.com> wrote:

> I don't know whether its legal or not to use a mobile phone jammer.

It wasn't legal to use the early AM SSB CB radios, but they
became so popular that the government of the day caved in.
If we all get jammers the government may end up caving in.
If they get imported I expect that they will have the Chinese
Export CE trademark making them legitimate in Europe.
From: Paul Harris on 20 Dec 2009 16:20
In message <e6vsi55q03f4dlr218nndi62338l4uc32c(a)4ax.com>, John
<bigbluewre(a)kingcrew.com> writes

>It would be very interesting if we followed the same stance as they
>have in Japan and banned use of all mobile phones on trains and public
>transport.

The difference is that their trains run on time so there is no need to
call to explain delays to those who are waiting and discuss possible
arrival times and rearrange plans as that train is running late.

--
Paul Harris
From: Jon on 20 Dec 2009 17:14
In article <e6vsi55q03f4dlr218nndi62338l4uc32c(a)4ax.com>,
bigbluewre(a)kingcrew.com says...
> whether that's loud
> conversations were they shout down the phone on a quiet train first
> thing in the morning as you're trying to get an hours sleep on your
> way to work, or young hoodies blasting out music from their mono
> speaker phone on your way home. Isn't this anti-social behaviour?

Indeed it is, and if reported to the conductor etc *should* be dealt
with under the terms of carriage.

> I don't know whether its legal or not to use a mobile phone jammer.

If it's an active transmitter type then it's not legal in the UK. You
can passively "block" rather than "jam" suing techniques like faraday
cages when contructing buildings etc.

> There is a big different between legal and lawful though and if you're
> only jamming mobile phone signals not other communications from the
> train I don't see the problem. If some idiot can't have a phone
> conversation at 6am in the morning without raising his voice, I say by
> all means switch on your jammer inside your bag. You have the right
> not to be disturbed by loud shouting, music or from radio, magnetic or
> other energies passing through your body. So jam away. I call it as
> lawful excuse. Protection from harassement I say.

I agree with your sentiments, but active jammers, however noble the
intent, are illegal in the UK. Two wrongs don't make a right. Just my
opinion.
--
Regards
Jon
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