2025-05-31

CW Frequencies

CWOps On The 8’s

• https://cwops.org/about-cwops/

Primary Frequencies: 3.528, 7.028, 10.118, 14.028, 18.078, 21.028, 24.908, and 28.028

Pattern:

x.008
x.018
x.028
x.038

QRS Slow Code

SKCC QRS Frequencies

7.114, 14.114, 21.114, 28.114 KHz

• https://www.skccgroup.com/
• https://www.skccgroup.com/membership_data/opfreq.php

K1USN SST

one-hour slow speed CW “contest,” called the SST.

Fridays 20:00-21:00 UTC: 4-5pm EDT
Mondays 00:00-01:00 UTC: 8-9pm EDT

• http://www.k1usn.com/sst.html

Informal Center of Activity (+/- 10 KHz)

3555KHz, 14055KHz, 21055KHz, 28055 KHz