In article <uugq9k$3626v$1@dont-email.me>, Smolley <me@rest.uk> scribeth
thus
>On Tue, 02 Apr 2024 09:05:55 +0100, Mark Carver wrote:
>
>> On 26/02/2024 19:49, Brian wrote:
>>> me9 <me9@privacy.net> wrote:
>>>> Brian <noinv@lid.org> wrote:
>>>>
>>>>> ( As you may know, the time signal embedded in the 198kHz BBC
>>>>> transmission is ending soon. It is used by the older Economy 7 time
>>>>> switches.)
>>>>>
>>>> Is it? I gather that teh reported demise of 198khz is just teh
>>>> amalgamation of R4LW programme with teh main R4 programme and the
>>>> transmission from Droitwich carrying the teledata will continue.
>>>>
>>>>
>>> It seems there has been a very recent extension to give companies time
>>> to replace the time switches.
>>>
>>>
>> The BBC have finally (almost !) clarified the situation
>>
>> https://www.bbc.co.uk/reception/help-guides/everything-else/changes-to-
>radio-4
>
>Can we not record the transmission and re-transmt it to control the
>meters..?

IIRC they do a phase shift of the carrier wave so no you cant record
that!...

--
Tony Sayer

Man is least himself when he talks in his own person.

Give him a keyboard, and he will reveal himself.

In message <e2RUTbFx3ZDmFwKw@bancom.co.uk>, tony sayer
<tony@bancom.co.uk> writes
>In article <uugq9k$3626v$1@dont-email.me>, Smolley <me@rest.uk> scribeth
>thus
>>On Tue, 02 Apr 2024 09:05:55 +0100, Mark Carver wrote:
>>
>>> On 26/02/2024 19:49, Brian wrote:
>>>> me9 <me9@privacy.net> wrote:
>>>>> Brian <noinv@lid.org> wrote:
>>>>>
>>>>>> ( As you may know, the time signal embedded in the 198kHz BBC
>>>>>> transmission is ending soon. It is used by the older Economy 7 time
>>>>>> switches.)
>>>>>>
>>>>> Is it? I gather that teh reported demise of 198khz is just teh
>>>>> amalgamation of R4LW programme with teh main R4 programme and the
>>>>> transmission from Droitwich carrying the teledata will continue.
>>>>>
>>>>>
>>>> It seems there has been a very recent extension to give companies time
>>>> to replace the time switches.
>>>>
>>>>
>>> The BBC have finally (almost !) clarified the situation
>>>
>>> https://www.bbc.co.uk/reception/help-guides/everything-else/changes-to-
>>radio-4
>>
>>Can we not record the transmission and re-transmt it to control the
>>meters..?
>
>
>IIRC they do a phase shift of the carrier wave so no you cant record
>that!...

Ha ha. Yes you can.

Https://www.hdsdr.de/

"record and playback RF, IF and AF WAV files with recording scheduler."

The recorded I-Q files contain the phase data , which can be
re-transmitted.

It might be better to program a PIC to emulate it .

Brian
--
Brian Howie