CL3YBK — FT8 station from Cuba

Cuba Grid: JN11

Amateur radio station CL3YBK operating from Cuba (grid square JN11). 157 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, over 5 days, best SNR +19 dB. Heard between 2026-06-01 and 2026-06-08.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

157
Total spots
0
CQ calls
5
Days active
-3 dB
Avg SNR

Bands

20m 40m
First seen: 2026-06-01
Last seen: 2026-06-08 22:11 UTC

Frequent QSO partners observed at SO8OO

Stations CL3YBK worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandCL3YBKPartnerPartner SNRMsgs
06-09 00:10 20m -7 / - EA3AAY - / - 3 Partial
06-09 00:09 20m +3 / - S52D - / -5 3 ✓ Confirmed
06-08 23:59 20m +16 / - IQ4JO - / - 2 Partial
06-08 23:57 20m +2 / - D2UY - / -2 2 ✓ Confirmed
06-08 03:53 20m +4 / -16 R2EA -15 / - 2 ✓ Verified
06-08 03:53 20m -12 / - RK4H - / - 3 Partial
06-08 03:52 20m - / -14 PA3BUD -16 / - 2 ✓ Confirmed
06-08 03:52 20m -13 / - R3MW - / - 3 Partial
06-08 03:51 20m -7 / - UT3RS - / - 4 Partial
06-08 03:51 20m -3 / - UR4LRG - / - 2 Partial
06-08 03:51 20m -16 / -4 UR5EDX -16 / -10 4 ✓ Complete
06-08 03:50 20m -15 / - RA3FY - / - 2 Partial
06-08 03:49 20m +1 / - R2EC - / - 7 Partial
06-08 03:48 20m -12 / - VA7RY - / - 2 Partial
06-08 03:47 20m +6 / - R7DX - / - 4 Partial
06-08 03:47 20m +14 / - RC6OG - / - 11 Partial
06-08 03:47 20m +6 / - RW9WT - / - 2 Partial
06-08 03:47 20m +1 / -14 TA2M -15 / -13 7 ✓ Complete
06-08 03:46 20m - / -10 HB9TIH -14 / - 2 ✓ Confirmed
06-08 03:44 20m +10 / -8 RT6C -13 / - 10 ✓ Verified
06-08 03:43 20m -14 / - UR9QQ - / - 3 Partial
06-08 03:42 20m -13 / - N3RC - / -15 5 Partial
06-08 03:42 20m +4 / - RA6ZS - / - 3 Partial
06-07 06:06 20m -2 / - EA1CQ - / -5 6 Partial
06-07 06:03 20m -4 / - EA1CQ - / - 2 Partial
06-07 03:32 40m -2 / - DJ0MAB - / - 4 Partial
06-07 03:29 20m -12 / - YO8RC - / - 2 Partial
06-03 22:37 20m - / -15 HZ1TT -14 / - 2 Partial
06-03 07:16 20m -8 / - DF9ML - / -18 2 Partial
06-03 03:25 20m +14 / - UR3LM - / - 2 Partial
06-03 03:21 20m +8 / - RC6OG - / - 7 Partial
06-03 03:11 20m 0 / - R6TJ - / - 2 Partial
06-03 02:41 20m -16 / - HB9TIH - / - 4 Partial
06-03 02:40 20m - / -9 EW4DX -8 / - 2 ✓ Confirmed
06-03 02:39 20m - / -12 OK1UOZ -10 / - 2 ✓ Confirmed
06-03 02:38 20m +16 / - UR5EDX - / - 5 Partial
06-03 02:36 20m - / -13 DL6ZFG -10 / - 2 ✓ Confirmed
06-03 02:34 20m -6 / -17 UA6LCF -10 / - 7 ✓ Verified
06-03 02:34 20m -10 / -13 IU8RFW -10 / - 3 ✓ Verified
06-03 02:33 20m - / -13 SP6AXW -14 / - 2 ✓ Confirmed
06-03 02:31 20m - / -15 DL1USB -14 / - 2 ✓ Confirmed
06-03 02:29 20m -9 / - LA3LUA -15 / -13 4 ✓ Verified
06-03 02:27 20m - / -10 RK4FF -11 / - 2 ✓ Confirmed
06-03 02:25 20m - / -16 SV9TLU -12 / - 4 ✓ Confirmed
06-02 04:44 20m -8 / - RZ3EM - / - 2 Partial
06-02 04:43 20m -6 / -14 ZL4AS -17 / - 4 ✓ Verified
06-02 03:21 20m -15 / - RA6BX - / - 5 Partial
06-02 03:09 20m -12 / - RA6BX - / - 2 Partial
06-02 01:16 20m - / -15 DK7ZT -8 / - 2 ✓ Confirmed
06-02 01:14 20m - / -12 R6BY -9 / - 2 ✓ Confirmed

Station Log

20m 
UTC    dB  Freq  Message
035415 -12 1072  CL3YBK RK4H LO53
035415  -2 2514  CL3YBK R2EC KO82
035445 -10 1072  CL3YBK RK4H LO53
035445  +0 2514  CL3YBK R2EC KO82
235730  +1 2428  CL3YBK D2UY -02 (x2)
235900 +16 2880  CL3YBK IQ4JO JN63
235930  -9 1842  CL3YBK PY5ZHP R-05
000045 +16 2881  CL3YBK IQ4JO JN63
000900  +0 2178  CL3YBK S52D JN76 (x3)
001030  -6 1551  CL3YBK EA3AAY JN11 (x3)
40m 
UTC    dB  Freq  Message
033045 -15  278  CL3YBK UW5KW RR73
033215  +1 2132  CL3YBK DJ0MAB JN49 (x4)

SNR History by Band