RK5M — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RK5M, decoded by SO8OO in southeastern Poland. 134 related FT8 messages, 69 CQ messages, observed on 80m, 40m, 20m, across 12 UTC dates. Heard between 2026-05-26 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.
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Overview
Frequent QSO partners observed at SO8OO
Stations RK5M worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RK5M
Approximate centre of KO97, decoded 2026-08-22 21:34 UTC. A transmitted locator is not proof of the operator's permanent location.
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 | RK5M S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-01 22:08 | 80m | +8 / -11 | TA4RC | -6 / -16 | 4 | ✓ Full exchange observed |
| 08-01 22:05 | 80m | +7 / -4 | DO1OAS | +8 / -14 | 4 | ✓ Full exchange observed |
| 08-01 22:04 | 80m | - / - | DL9FCK | -6 / - | 3 | Partial capture |
| 08-01 22:03 | 80m | +7 / -4 | DG5PW | +5 / -17 | 5 | ✓ Full exchange observed |
| 08-01 21:59 | 80m | +9 / -1 | R6ZAJ | -4 / -5 | 4 | ✓ Full exchange observed |
| 08-01 21:57 | 80m | +9 / 0 | DL1EDR | +10 / -10 | 3 | ✓ Full exchange observed |
| 07-25 21:14 | 20m | +9 / - | KF8WX | - / -13 | 2 | ✓ Closing fragment |
| 07-25 21:10 | 20m | +2 / - | KR3BST | - / -17 | 4 | ✓ Closing fragment |
| 07-25 21:08 | 20m | +8 / - | DF2SL | - / +2 | 2 | ✓ Closing fragment |
| 07-25 21:06 | 20m | -10 / - | RA5AK | - / -15 | 2 | ✓ Closing fragment |
| 07-06 22:59 | 20m | -11 / - | D44PM | - / -13 | 6 | ✓ Closing fragment |
| 07-06 22:37 | 20m | -21 / - | J73ESL | - / -13 | 3 | ✓ Closing fragment |
| 07-06 22:36 | 20m | -22 / - | PD9JPV | - / -17 | 2 | Partial capture |
| 07-06 22:29 | 20m | - / -9 | EB5DFU | -10 / - | 2 | Partial capture |
| 06-20 23:06 | 20m | - / -4 | EI7JQ | -18 / - | 3 | Partial capture |
| 06-20 22:58 | 20m | - / -8 | A92AE | -6 / - | 2 | ✓ Closing fragment |
| 06-20 22:36 | 20m | - / -13 | <...> | -1 / - | 2 | Partial capture |
| 06-18 22:47 | 80m | - / - | G3TKT | -12 / - | 4 | Partial capture |
| 06-18 22:41 | 80m | +9 / - | YB6NE | - / -18 | 7 | ✓ Closing fragment |
| 06-18 22:01 | 80m | -9 / - | HS0ZNR | - / -21 | 10 | ✓ Closing fragment |
| 06-18 21:55 | 80m | -9 / -5 | PY5XT | -12 / -14 | 10 | ✓ Full exchange observed |
| 06-18 21:46 | 80m | -9 / - | YB2TS | - / - | 5 | Partial capture |
| 06-18 21:42 | 80m | +12 / -6 | F1PBZ | -4 / -10 | 4 | ✓ Full exchange observed |
| 06-18 21:32 | 80m | +4 / - | 9V1YC | - / -5 | 4 | ✓ Closing fragment |
| 06-18 21:28 | 80m | -2 / - | 9V1YC | - / - | 2 | Partial capture |
| 06-11 22:41 | 40m | +8 / -7 | EB2EMZ | -12 / -15 | 7 | ✓ Full exchange observed |
| 06-11 22:38 | 40m | +8 / - | R0ACR | - / 0 | 2 | ✓ Closing fragment |
| 06-11 22:36 | 40m | +3 / +1 | PD2PE | -16 / -15 | 7 | ✓ Full exchange observed |
| 06-11 22:27 | 40m | +3 / - | UB0SMX | - / +1 | 2 | ✓ Closing fragment |
| 06-11 22:21 | 40m | +2 / - | 9X5KM | - / +6 | 18 | Partial capture |
| 06-10 22:19 | 20m | +2 / - | TA3XEE | - / -20 | 2 | Partial capture |
| 06-10 22:17 | 20m | +5 / -6 | TL8GD | -17 / -6 | 4 | ✓ Full exchange observed |
| 06-10 22:14 | 20m | +8 / - | C91RU | - / -16 | 3 | ✓ Closing fragment |
| 06-05 23:00 | 20m | -10 / - | PY2GIG | - / - | 2 | Partial capture |
| 06-05 22:54 | 40m | +8 / - | IZ4EFV | -6 / -1 | 3 | ✓ Closing observed |
| 06-05 22:49 | 40m | +5 / +4 | RL3QGD | -9 / -20 | 8 | ✓ Full exchange observed |
| 05-31 22:57 | 20m | - / -12 | RI0SP | +1 / - | 2 | Partial capture |
| 05-31 22:18 | 20m | - / - | K2JC | -21 / - | 2 | Partial capture |
| 05-26 22:24 | 20m | -4 / -7 | NC4MH | -18 / -20 | 6 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 210800 +14 2509 CQ RK5M KO97 210830 +8 2509 DF2SL RK5M +02 (x2) 210930 +8 2509 CQ RK5M KO97 211030 +2 2509 KR3BST RK5M -17 (x3) 211200 +6 2509 CQ RK5M KO97 211230 -1 2509 KR3BST RK5M RR73 211300 +12 2509 CQ RK5M KO97 (x2) 211400 +8 2509 KF8WX RK5M -13 (x2) 211630 +13 2509 CQ RK5M KO97 (x2)
UTC dB Audio Message 220530 +5 643 RK5M DO1OAS RR73 220545 +7 643 DO1OAS RK5M 73 220600 -6 1928 RK5M DL9FCK JO40 220615 +8 643 CQ RK5M KO97 (x5) 220830 -7 1046 RK5M TA4RC -11 220845 +7 643 TA4RC RK5M R-16 220900 -6 1046 RK5M TA4RC RR73 220915 +10 643 TA4RC RK5M 73 220945 +11 643 CQ RK5M KO97 (x3)
UTC dB Audio Message 224115 -11 2602 RK5M EB2EMZ IN83 224130 +8 2600 EB2EMZ RK5M -15 224145 -12 2602 RK5M EB2EMZ R-07 224200 +9 2600 EB2EMZ RK5M -15 224215 -16 1828 RK5M PD2PE 73 224215 -13 2601 RK5M EB2EMZ R-08 224230 +6 2600 EB2EMZ RK5M RR73 224245 -12 2602 RK5M EB2EMZ 73 224300 +10 2600 CQ RK5M KO97 (x3) 224430 +12 2600 R1BQC RK5M -06 224530 +10 2600 CQ RK5M KO97 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.