MSF & DTT

In article ,
M. J. Powell wrote:
In message , charles
writes
In article ,
Mark Carver wrote:
Steve Thackery wrote:
Isn't the demise of Rugby kind of sad, though?

It has a truly remarkable history, some of it still secret, and those
enormous masts were a marvellous landmark. Unfortunately most of it is
coming down, and being replaced by housing estates.

MSF goes up north at the end of this month.

It's the end of an era.

Indeed.

It'll be interesting to see how many receivers (particularly in central
London) are still able to receive the signal from the new site.

I suspect they'll be fine, there have already been tests. Not much QRM at
60kHz. Our village hall's clock uses the Brunswick transmitter which is
probably much farther away.

It shows C.E.T....?

No, because it is up to me to set the hands where I want them.

--
From KT24 - in "Leafy Surrey"

Using a RISC OS computer running v5.11

Ashley Booth wrote:
M. J. Powell wrote:

In message , Steve Thackery
writes
Isn't the demise of Rugby kind of sad, though?

It has a truly remarkable history, some of it still secret, and
those enormous masts were a marvellous landmark. Unfortunately
most of it is coming down, and being replaced by housing estates.

MSF goes up north at the end of this month.

It's the end of an era.
I was fascinated to drive under Criggion's Aerial. It was the only Tx
I know of which had a Faraday cage over the approach road.

I was amused to see that BT advertised it as "Maritime Services".
Well, yes!

Mike

Can't remember a cage there when I visited it in about 1963. Must have
put it up when cars started being fitted with ECUs!

It was used to communicate with submarines so it should have been
called 'Sub-Maritime Services'

We were allowed to climb the mast without any safety equipment.

Back in the 70's we drove under a Farady cage for one of the Radio
Luxemburg Transmitters. Don't remember now whether it was the MW one on
1440kHz or the LW one that still carries the French Language service. It
was the cage that stuck in my mind.

Graham

On Sat, 24 Mar 2007 15:58:20 +0000, Mark Carver
wrote:

It'll be interesting to see how many receivers (particularly in central
London) are still able to receive the signal from the new site.

I suspect they'll be fine, there have already been tests. Not much QRM at
60kHz. Our village hall's clock uses the Brunswick transmitter which is
probably much farther away.

Measurements in Taunton this week during the tests suggest that Anthorn is
about 20dB down on Rugby.

My 10 year old home built Maplin kit is struggling in North Somerset.
I thought it was totally dead but I did find it worked by carefully
positioning the aerial one afternoon last week. Unfortunately that means the
door of the cupboard the RX is in no longer shuts, so it's not really a
solution.
QRM always seems to have been a problem here - I had to change the filters
on it to keep out shash from the PC's VGA cards/screens which had the
side effect of making it rather temperature sensitive - the PLL lost lock
when it got really cold when I was away. Now it is even more susceptible
to shash due to the overall lack of carrier level.

Paul Ratcliffe wrote:

My 10 year old home built Maplin kit is struggling in North Somerset.
I thought it was totally dead but I did find it worked by carefully
positioning the aerial one afternoon last week. Unfortunately that means the
door of the cupboard the RX is in no longer shuts, so it's not really a
solution.
QRM always seems to have been a problem here - I had to change the filters
on it to keep out shash from the PC's VGA cards/screens which had the
side effect of making it rather temperature sensitive - the PLL lost lock
when it got really cold when I was away. Now it is even more susceptible
to shash due to the overall lack of carrier level.

Our MSF kitchen clock is exactly end on to Anthorn (and only about 20 degs on
Rugby). I've no idea how close it is currently to the digital cliff.
The solution of course is to move it through 90 degs, and hang on the adjacent
wall. SWMBO has been sounded out, and the reaction to that idea was not good.
Perhaps soon after April 1st it'll be on Ebay (for N England/S Scotland
punters only). The position in the kitchen is almost ideal for Frankfurt, so
can you get DCF77 clocks with a -1 hr offset option ?


--
Mark
Please replace invalid and invalid with gmx and net to reply.

In article , Mark Carver
wrote:

[Snip]

Perhaps soon after April 1st it'll be on Ebay (for N England/S Scotland
punters only).

The two transmitters are on a very similar bearing here, some in the SE of
England might bid for it, too.

--
From KT24 - in "Leafy Surrey"

Using a RISC OS computer running v5.11

On Sun, 25 Mar 2007 20:21:20 +0100, Mark Carver
wrote:

Our MSF kitchen clock is exactly end on to Anthorn (and only about 20 degs on
Rugby). I've no idea how close it is currently to the digital cliff.
The solution of course is to move it through 90 degs, and hang on the adjacent
wall. SWMBO has been sounded out, and the reaction to that idea was not good.

Have a look inside it. You may find, as I did when I opened the back
of my Eurochron wall mounting MSF clock, that it has two ferrite
aerials mounted at right angles, so you can resolder the cable to
whichever one gives better results.

Rod.

It's nice and strong here in Carlisle when it has been on according to the
test schedule!! But then Frankfurt DCF77 is also pretty good here so I
wouldn't have thought that Anthorn would be weak in the south of England?
It's built on a salt marsh so has pretty good earthing! It needed it in
the days when it was used for submarine comms on about 22kHz.

Beep beep beeeeeep!

RodP

In article , RodP
wrote:

It's nice and strong here in Carlisle when it has been on according to the
test schedule!! But then Frankfurt DCF77 is also pretty good here so I
wouldn't have thought that Anthorn would be weak in the south of England?
It's built on a salt marsh so has pretty good earthing! It needed it in
the days when it was used for submarine comms on about 22kHz.

Beep beep beeeeeep!

RodP


Perfectly good signal in London.

In article ,
Mark Carver writes:
charles wrote:
In article ,
Mark Carver wrote:

It'll be interesting to see how many receivers (particularly in central
London) are still able to receive the signal from the new site.

I suspect they'll be fine, there have already been tests. Not much QRM at
60kHz. Our village hall's clock uses the Brunswick transmitter which is
probably much farther away.

Interesting site he-

http://g8szx.mediumwaveradio.org/page22.php

Measurements in Taunton this week during the tests suggest that Anthorn is
about 20dB down on Rugby.

I'm just wondering how many devices in the south of the UK will be pushed over
the 'digital cliff' ?

Almost as many as will now be worth buying in Scotland?
--
SAm.

On Tue, 27 Mar 2007 09:49:49 +0100, (Sam Nelson)
wrote:

It'll be interesting to see how many receivers (particularly in central
London) are still able to receive the signal from the new site.

[...]
I'm just wondering how many devices in the south of the UK will be pushed over
the 'digital cliff' ?

Almost as many as will now be worth buying in Scotland?

It has often struck me as inefficient (though I can understand the
historical reasons that have led to it) that so many things, both
physical and administrative, that you would think of as "central" to
the needs of a relatively long thin island should be located near one
end of it. Perhaps a bit of logic is prevailing at last.

Rod.