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Date: Fri, 08 Jan 2010 12:40:59 +0200
From: Alex Deligiannis <sv8qg@otenet.gr>
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Subject: Re: LF: Fwd: [Lowfer] U.S. Loran-C to end by October 1
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John RABSON wrote:
> *********** BEGIN FORWARDED MESSAGE  ***********
>
> On 07/01/2010 at 06:33 w1tag@charter.net <w1tag@charter.net> wrote:
>
>   
>> The Coast Guard has today published two articles in the Federal Register.
>> They state that Loran-C is not needed as a backup to GPS or for any other
>> Federal requirement, and that they intend to begin shutting down Loran-C
>> operations on Feb. 8, with completion by October 1, 2010. 
>>
>> See: http://edocket.access.gpo.gov/2010/pdf/2010-84.pdf
>>
>> John, W1TAG
>> ______________________________________________________________
>> Lowfer mailing list
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>>
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>>
>>     
>
> *********** END FORWARDED MESSAGE  ***********
>
>
> We will loose onother LF signal olso....
>   

The Swiss Federal council decided that the HBG time signal transmitter 
at Prangins (Vaud) located at 46 degrees 24' North, and 6 degrees 15 ' 
East, and serving a 1500 mile radius at the heart of Europe, will cease 
activity at the end of 2011.

Since 1966, the HGB transmitter at Prangins has transmitted official 
time signals synchronized to Universal Coordinated Time (UCT), on a 
frequency of 75 Khz. The precise carrier frequency of 75 kHz, 
synchronized by an atomic, clock, and the time markers (second pulses, 
and coded information giving the time of day and the date), can be used 
for the verification of frequency standards and time control purposes.

During periodic maintenance work carried out on the transmitter, the 
obvious signs of age were observed on the antenna masts. Independent 
consultants opined that without a complete overhaul, the installation 
should be closed because it presented considerable risks. To maintain 
the transmitter at Prangins would be very expensive and the time signal 
is used too little to justify the high costs of a renovation, according 
to the study carried out by the outside experts. The Swiss Federal 
council thus, decided to close the installation at the end of 2011. This 
window of time will permit users to adapt their clocks to the signal of 
the German transmitter DCF77, whose signal is received in Switzerland 
with a quality comparable with that of the HBG. The Swiss official time 
will continue to be transmitted by METAS (Swiss Federal Office of 
Meteorology) on the Internet at  ntp.metas.ch 
<http://www.metas.ch/metasweb/Fachbereiche/Zeit_Frequenz;internal&action=setlang&lang=fr&>. 
METAS is charged with the reckoning and the diffusion of standard units 
in Switzerland, of which the unit of time, the second, is one.

  
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>
>