Hello all,

having held our first “ODD Channels Challenge” as part of CLE329, we will now also be running our very 
first “EVEN Channels Challenge” for CLE332 during which we will all be listening on EVEN channels only 
in a 340 kHz wide frequency range.

Whether you are a regular CLE listener, an occasional one, or have never sent a CLE log, everyone is 
welcome to join us in this event.

Days:         Friday 25 September – Monday 28 September
Times:        Start and end at midday, LOCAL time at the receiver
Range:        190 – 530 kHz
Target:       NDBs heard on any EVEN channel (e.g. 300 kHz, 302 kHz, 304 kHz, etc.)

Please join us wherever you are - just log the NDBs you can identify having  their nominal frequencies 
in the advertised range.

UNIDs and NDBs on any carrier frequency which is 'half-way'  (e.g. 258.5, 312.5, 342.5 kHz, etc.) are 
excluded this time.

Just as a reminder, here’s why the upper frequency limit of 530 kHz was chosen: 530 kHz is the highest 
frequency at which an active NDB signal can be received in North America. It therefore seemed sensible 
to limit the frequency range for all participants to this frequency.

For this range Rxx shows (as logged since 01.03.2026):

130 Beacons on 62 EVEN channels which have recently been logged from North America,
416 Beacons on 113 EVEN channels which have recently been logged from Europe
45 Beacons on 34 EVEN channels which have recently been logged from Oceania

This challenge should enable everyone to pick up a fair number of signals.

Please look out for our full 'Final Details' this coming Wednesday.

That will include advice about the NDBs to listen for, how to present your log, etc.


Joachim

(CLE Coordinator)