RA9CKA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RA9CKA, decoded by SO8OO in southeastern Poland. 118 related FT8 messages, 3 CQ messages, observed on 20m, 10m, across 28 UTC dates. Heard between 2026-05-24 and 2026-08-22.
These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
Frequent QSO partners observed at SO8OO
Stations RA9CKA worked most often, as logged from our receiver:
Activity Heatmap
Observed FT8 exchanges
S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.
| Time UTC | Band | RA9CKA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 05:10 | 20m | - / -19 | R4BG | -10 / - | 2 | Partial capture |
| 08-06 17:24 | 20m | - / -5 | DG4BRT | -2 / - | 2 | ✓ Closing fragment |
| 08-06 17:17 | 20m | - / -15 | RA9J | -13 / - | 3 | ✓ Closing fragment |
| 08-05 09:03 | 20m | - / -23 | RA3AV | -5 / - | 3 | ✓ Closing fragment |
| 08-01 05:28 | 20m | - / -19 | RZ4AZ | -3 / - | 3 | ✓ Closing fragment |
| 07-19 05:33 | 20m | - / -19 | RM4N | -4 / - | 2 | ✓ Closing fragment |
| 07-18 14:38 | 20m | - / 0 | R9FDE/P | -18 / - | 2 | ✓ Closing fragment |
| 06-29 18:08 | 20m | - / -11 | II5WWA | +6 / - | 3 | Partial capture |
| 06-29 17:59 | 20m | - / -5 | IZ2DPX | -4 / - | 2 | ✓ Closing fragment |
| 06-23 15:21 | 20m | - / -8 | GM4FDM | -4 / - | 3 | ✓ Closing fragment |
| 06-22 06:45 | 20m | - / -20 | <...> | -7 / - | 2 | Partial capture |
| 06-20 17:39 | 20m | - / -11 | BI4XDT | -10 / - | 2 | Partial capture |
| 06-18 17:30 | 20m | - / -11 | IQ7KM | +4 / - | 4 | ✓ Closing fragment |
| 06-18 17:27 | 20m | - / -15 | R7KGB | -6 / - | 2 | ✓ Closing fragment |
| 06-18 07:46 | 20m | - / -11 | R5ZQ | +4 / - | 2 | ✓ Closing fragment |
| 06-14 15:27 | 20m | - / -3 | EW6CY | -20 / - | 2 | ✓ Closing fragment |
| 06-12 15:17 | 20m | - / -8 | ON5CD | -10 / - | 2 | ✓ Closing fragment |
| 06-12 14:02 | 20m | - / -16 | IQ2DB | -16 / - | 2 | Partial capture |
| 06-11 19:30 | 20m | - / -4 | JE1LFX | +2 / - | 2 | ✓ Closing fragment |
| 06-11 19:25 | 20m | - / -25 | R4PFY | -4 / - | 2 | ✓ Closing fragment |
| 06-11 19:22 | 20m | - / -16 | JE1FQV | +10 / - | 2 | ✓ Closing fragment |
| 06-11 19:01 | 20m | -18 / - | UE7DR | +9 / - | 2 | ✓ Closing observed |
| 06-07 05:31 | 20m | - / -15 | <...> | +2 / - | 2 | Partial capture |
| 06-03 13:46 | 20m | - / -8 | RZ6ALZ | -11 / - | 2 | ✓ Closing fragment |
| 06-03 13:42 | 20m | - / -2 | EW8FG | +12 / - | 2 | ✓ Closing fragment |
| 06-03 06:08 | 20m | - / -24 | HB9TWU | -2 / - | 2 | Partial capture |
| 06-03 05:58 | 20m | -10 / -6 | IK2YCW | -24 / - | 2 | ✓ Closing observed |
| 06-03 05:32 | 20m | - / -15 | RA4CLU | +8 / - | 2 | ✓ Closing fragment |
| 06-01 05:21 | 20m | -15 / - | RU6K | - / -24 | 2 | Partial capture |
| 06-01 05:10 | 20m | -10 / -13 | R7BN | +12 / -14 | 3 | ✓ Full exchange observed |
| 05-28 08:22 | 20m | - / -8 | UA3VVA | -7 / - | 2 | ✓ Closing fragment |
| 05-27 11:12 | 20m | - / -19 | R80SORK | -6 / - | 2 | Partial capture |
| 05-27 11:07 | 20m | -14 / -3 | RA5AD | -7 / - | 5 | ✓ Closing observed |
| 05-27 05:22 | 20m | -14 / - | I4USC | - / - | 2 | Partial capture |
| 05-27 05:15 | 20m | - / -17 | UA9CK | +15 / - | 5 | Partial capture |
| 05-27 05:13 | 20m | - / -8 | RC6OG | -10 / - | 2 | ✓ Closing fragment |
| 05-27 05:02 | 20m | -17 / 0 | R9MW | +6 / - | 4 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 163745 -5 1832 RA9CKA DL6EL -08 052845 -3 405 RA9CKA RZ4AZ LN28 (x3) 090330 -5 915 RA9CKA RA3AV KO94 (x3) 171745 -12 829 RA9CKA RA9J -15 (x3) 172415 -3 360 RA9CKA DG4BRT -05 (x2) 050745 -7 2271 RA9CKA RV3OC RR73 051030 -11 2070 RA9CKA R4BG -19 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.