Hunting For NDBs In CLE252

AP-378 Mayne Island, BC



How time flies. Once again it's a CLE weekend. It seems like the last one was just a week ago!




'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.

This time the hunting ground is the 15 kHz slice from 370.0 - 384.9 kHz.

This is a somewhat dreaded range for me since my local blowtorch NDB, 'AP' (378 kHz), sits right in the middle of the range. 'AP' is located at the entrance to Active Pass, the main ferry route to Vancouver Island, and the antenna is about 3/4 of a mile down the beach from me. Needless to say, the beacon is about 40db over S9! With careful loop nulling, I can reduce this by about 25db but it's still an enormous signal to deal with.

Hopefully you can put 'AP' in your own log this weekend but its 25-watt signal will be much weaker for you. It's been logged as far east as Illinois and with your receiver in the CW mode, can be found on 378.399 kHz.

Things seem geomagnetically quiet at the moment but we are due for another blast on January 21st ... hopefully things settle-down for the weekend event.

From CLE coordinator Brian Keyte (G3SIA), comes the following CLE info:


Hello all

Here is your Early Advice of our next Co-ordinated Listening Event.
We are back to a normal event looking for the NDBs in a narrow and
fairly relaxing frequency range.  Beginners, occasionals and regulars
are all very welcome to join in.

    Days:    Friday 24 January - Monday 27 January
    Times:   Start and end at midday, LOCAL TIME at the receiver
    Frequencies:   370 - 384.9 kHz

Just log all NDBs you can identify that are listed in the range (it includes
370 kHz but not 385 kHz)  plus any UNIDs that you come across there.
We last had a close look at this frequency range in CLE236 at the end of
September 2018.

Please look out for the full Final Details in a few days, including how to
present your log, etc.


Please send your CLE log to the List in a plain text email if possible(not in an attachment) with CLE252 and FINAL at the start of its title.
Show on each log line:
    # The date (e.g. 2020-01-25, etc., or just 25) and UTC
          (the date changes at 00:00 UTC)
    # kHz  (the nominal published frequency, if known)
    # The Call Ident.

Show those main items FIRST - other optional details such as Location
and Distance go LATER in the same line. 
If you send interim logs, please also send a 'FINAL' (complete) log.

As always, tell us your own location and brief details of the equipment
that you were using during the weekend.

To help you to plan your listening, seeklists and maps for your part of the
World are available via the CLE page  http://www.ndblist.info/cle.htm

Good listening - enjoy the CLE.
    Brian
------------------------------------------------------------------
From:     Brian Keyte G3SIA         ndbcle'at'gmail.com
Location:  Surrey, SE England       (CLE coordinator)
------------------------------------------------------------------

If you are interested in some remote listening - maybe due to local difficulties - you could use any one remote receiver for your loggings, stating its location and with the owner’s 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 actually in service and on-the-air so the online database can be kept up-to-date
  • 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 listeners 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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