CLE Information

Co-ordinated Listening Events (or CLEs) take place several times a year and provide opportunities for listeners of all levels of experience to practice our hobby and learn more about it.
To find out more about the NDB List, or to join (it's free!), visit https://groups.io/g/ndblist.


CLE 306

Dates: Starts at midday on Friday 26 July and ends at midday on Monday 29 July LOCAL TIMES at the receiver.
Scope: The idea behind CLE306 is to limit our own listening to 8 self-selected frequencies in the range from 190 kHz to 1740 kHz.
This CLE will need everyone to spend some quality time beforehand planning how to tackle this listening challenge.
If you are thinking of joining in it would be interesting to hear, in an email to the List (or to ndbcle@ndblist.info) before the CLE, what frequencies you plan to use in your own situation.
Please join us wherever you are - just log the NDBs you can identify having their nominal frequencies on your pre-selected frequencies and any UNIDs that you may come across there too.
Details: If you wish, for this Event you can use only one Internet-based remote receiver to log signals. 

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