Hi.

Of course, the downside to all of this is that CHU was the one 
time/frequency standard station that fell within the coverage of the older 
ham band receivers and transceivers.  At 7850 kHz, that will no longer be 
true.  Too bad they couldn't have dropped to just below the 7 MHz band, but 
that probably would not have fit the allocation tables.  Oh well, time 
marches on, and probably most of us are using equipment with general 
coverage receivers anyway.

73, de Lou K2LKK



At 11:27 PM 12/10/2008 -0500, you wrote:
>This is from Mike Agner (KA3JJZ) on RadioReference.com yesterday:
>
>CHU 7 mhz freq to move Jan 1
> From Raymond Pelletier, Glenn Hauser and the NASWA Yahoo group;
>============================================
>Frequency and Time
>Institute for National Measurement Standards
>National Research Council Canada
>M-36, room 1026
>1200 Montreal Road
>Ottawa, Canada K1A 0R6
>Tel: (613) 993-3430
>Fax: (613) 952-1394
>raymond.pelletier @ nrc-cnrc.gc.ca
>Government of Canada
>========================================
>CHANGE YOUR SHORTWAVE RADIO DIAL
>
>After seventy years of broadcasting Canada's official time, NRC's
>shortwave station CHU will move the transmission frequency for the 7335 kHz
>transmitter to 7850 kHz. The change will occur on 01 January 2009 at 0000
>UTC.
>
>CHU is a part of NRC's system for disseminating official time throughout
>Canada, broadcasting 24 hours a day from a location approximately 20 km
>south-west of Ottawa. Listeners hear tones to mark the seconds, voice to
>announce the time in French and English, and digital data to set computers.
>
>The atomic clocks at CHU are part of the ensemble of clocks in the time and
>frequency research laboratories in Ottawa, at the National Research Council
>Canada. The NRC clocks are used in conjunction with clocks in the time
>laboratories of other countries to construct the internationally accepted
>scale of time, UTC (Coordinated Universal Time), which is now the reference
>for official time used by all countries. UTC is the modern implementation
>of Greenwich Mean Time.
>
>"Coincidentally, this frequency change comes at a time when NRC is
>investing resources to refurbish the aging transmitters at CHU in order to
>provide clear, dependable shortwave services as part of NRC's mandate to
>disseminate time to all Canadians." said Ray Pelletier, Technical Officer
>at the NRC-Institute for National Measurement Standards, who oversees the
>CHU facility "The shortwave time service is especially beneficial for those
>in remote locations where there is limited access to internet and telephone
>communication. CHU also provides a back up against failure of other
>services."
>
>In April 2007, the International Telecommunications Union re-allocated the
>7300-7350 KHz band from a fixed service to a broadcasting service. Since
>then, interference on the 7335 KHz frequency has come from many information
>broadcasters around the world.
>
>CHU listeners in Canada and around the world who have for so long
>considered the 7335 kHz frequency exclusively for time signals, are very
>vocal about this interference. We have heard from amateur radio operators,
>watchmakers, astronomers, and navigators who use the tones and voice
>signals. As well, comments were received from those who use the carrier as
>a calibration source at a distance for their equipment.
>
>To give notice to users, CHU will broadcast an announcement in both
>English and French. More information can be found at
>http://www.nrc-cnrc.gc.ca/main_e.html and
>http://www.nrc-cnrc.gc.ca/main_f.html
>
>Comments about the CHU change can be sent by e-mail to
>radio.chu@...
>(Raymond Pelletier, CHU, DX LISTENING DIGEST)
>
>As of Dec 9, nothing at above site about 7850. This NRC website also
>mentions a leap second to be added at the end of 2008y:
>http://time5.nrc.ca/timefreq/bulletin_tf-b.html (gh)
>
>Monitored around 1430 UT Dec 9 on 7335, no announcements being heard yet
>about the frequency change or the leap second.
>
>And here`s another website with the history of CHU, etc.:
>http://inms-ienm.nrc-cnrc.gc.ca/time_services/shortwave_broadcasts_e.html
>(Glenn Hauser, DX LISTENING DIGEST)
>__________________
>links editor,Capitol Hill Monitors Utility Monitoring Central
>Wiki Administrator, HF Forum moderator, RadioReference
>
>
>--
>Charles J. Hargrove - N2NOV
>NYC ARECS/RACES Citywide Radio Officer/Skywarn Coord.
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Louis Kim Kline
A.R.S. K2LKK
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