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Hunting For NDBs In CLE272
22 September 2021 | by
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| ML - 392 Charlevoix, Quebec |
It's CLE time! 'CLE's are 'Co-ordinated Listening Events, and NDB DXers around the world focus their listening time on one small slice of the NDB spectrum.
A 'challenge target' for listeners in North America is ML - 392kHz in Charlevoix, Quebec. Listen for ML's upper sideband on 392.404kHz. ML is widely heard in Europe and throughout North America. Its 500W and big tower work well!
When tuning for NDBs, put your receiver in the CW mode and listen for the NDB's CW identifier, repeated every few seconds. Listen for U.S. NDB identifiers approximately 1 kHz higher or lower than the published transmitted frequency since these beacons are modulated with a 1020 Hz tone approximately.
For example, 'AA' near Fargo, ND, transmitted on 365 kHz and its upper sideband CW identifier was tuned at 366.025 kHz while its lower sideband CW ident could be tuned at 363.946 kHz. Its USB tone was actually 1025 Hz while its LSB tone was 1054 Hz.
Often, one sideband will be much stronger than the other so if you don't hear the first one, try listening on the other sideband.
Canadian NDBs normally have an USB tone only, usually very close to 400 Hz. They also have a long dash (keydown) following the CW identifier.
All NDBs heard in North America will be listed in the RNA database (updated daily) while those heard in Europe may be found in the REU database. Beacons heard outside of these regions will be found in the RWW database. These databases have recently been re-vamped and are slicker than ever before!
From CLE organizers comes the following CLE info:
Hello all,
Have you tried one of our Co-ordinated Listening Events yet?
Whether short logs or long ones, making them is enjoyed by beginners and experts alike - and reading them is enjoyed by all.
Our 272nd Coordinated Listening Event starts this Friday. This 15 kHz frequency range is quite a busy one, even the Pacific region (Oceania) having several NDBs to be found.
Days: Friday 24 Sept. - Monday 27 Sept. 2021
Times: Start and end at midday your LOCAL time
Range: 385 - 399.9 kHz
Please log all the NDBs that you can identify with nominal (listed) frequencies in the range - it includes 385 kHz, but not 400 kHz - plus any UNIDs that you come across there.
Send your final log to the List (not in an attachment, please) with 'CLE272’ and ‘FINAL' in its title (important).
Show on each line:
# The Date (e.g. '2021-09-24', etc., or just '24' )
# The Time in UTC (the day changes at 00:00 UTC).
# kHz - the nominal published frequency, if known.
# The Call Ident.
Please show those main items FIRST. Other optional details such as Location and Distance go LATER in the same line.
As always, of course, tell us your own location and give brief details of the equipment that you were using during the Event.
We will send the usual 'Any More Logs?' email at about 19:00 UTC on Tuesday so you can check that your log has been found OK.
Do make sure that your log has arrived on the List by 08:00 UTC on Wednesday 29 Sept. at the very latest.
We hope to complete making the combined results within a day or two.
You can find full details about current and past CLEs from the CLE page http://www.ndblist.info/cle.htm It includes access to the CLE272 seeklists for your part of the World, prepared from all the previous loggings in Rxx.
Good listening
- enjoy the CLE.
Brian and Joachim
------------------------------------------------------------------
From: Brian Keyte G3SIA ndbcle'at'gmail.com
Location: Surrey, SE England (CLE coordinator)
------------------------------------------------------------------
(If you would like to listen remotely you could use any one remote
receiver for your loggings, stating its location and owner and with
their permission if required. A remote listener may NOT also use
another receiver, local or remote, to make further loggings for the
same CLE)
These listening events serve several purposes. They
• determine, worldwide, which beacons are out-of-service or have gone silent since the last CLE covering this range
• will indicate the state of propagation conditions at the various participant locations
• will give you an indication of how well your LF/MF receiving system is working
• give participants a fun yet challenging activity to keep their listening skills honed
Final details can be found at the NDB List website, and worldwide results, for every participant, will be posted there a few days after the event.
The NDB List Group is a great place to learn more about the 'Art of NDB DXing' or to meet other DXers in your region. There is a lot of good information available there and new members are always very welcome. As well, you can follow the results of other CLE participants from night to night as propagation is always an active topic of discussion.
You need not be an NDB List member to participate in the CLEs and all reports, no matter how small, are of much value to the organizers.
Remember - 'First-time' logs are always VERY welcome!
Reports may be sent to the NDB List Group or e-mailed to CLE co-ordinator, Brian Keyte (G3SIA), whose address appears above. If you are a member of the group, all final results will also be e-mailed and posted there.
Please ... give the CLE a try ... then let us know what NDB's can be heard from your location! Your report can then be added to the worldwide database to help keep it up-to-date.
Have fun and good hunting!
Steve McDonald, VE7SL, is a regular contributor to AmateurRadio.com and writes from British Columbia, Canada. Contact him at [email protected].
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Judy and I rode our bikes again today in Old Hill Village. We rode north from Needle Shop Brook and stopped at an outcropping right on the edge of the Pemigewasset River. I worked a station in Sweden.
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