RK3AF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RK3AF, decoded by SO8OO in southeastern Poland. 625 related FT8 messages, 313 CQ messages, observed on 20m, 10m, across 45 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 RK3AF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RK3AF
Approximate centre of KO75, decoded 2026-08-18 08:04 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 | RK3AF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 20:18 | 20m | -4 / - | KJ1R | - / -7 | 3 | Partial capture |
| 08-22 20:13 | 20m | -8 / - | KA1MR | - / -6 | 3 | ✓ Closing fragment |
| 08-22 20:06 | 20m | +1 / - | OD5ZZ | -13 / +3 | 3 | ✓ Closing observed |
| 08-22 20:05 | 20m | +5 / - | SV5BYP | +2 / - | 3 | ✓ Closing observed |
| 08-22 19:54 | 20m | +5 / -11 | 9A4AA | 0 / -12 | 4 | ✓ Full exchange observed |
| 08-22 19:53 | 20m | +1 / - | SP6CA | - / -11 | 2 | ✓ Closing fragment |
| 08-22 19:50 | 20m | +12 / - | DG1KRJ | - / -11 | 2 | ✓ Closing fragment |
| 08-22 19:49 | 20m | +6 / - | ON5CAR | -14 / -17 | 2 | ✓ Closing observed |
| 08-22 19:47 | 20m | +4 / - | DL7HS | - / -6 | 2 | ✓ Closing fragment |
| 08-22 19:46 | 20m | +1 / +3 | GM3AND | +2 / -15 | 6 | Partial capture |
| 08-22 19:44 | 20m | +14 / - | SP7ROH | - / -16 | 3 | ✓ Closing fragment |
| 08-22 19:40 | 20m | +6 / - | SQ5OMY | - / -15 | 2 | ✓ Closing fragment |
| 08-22 19:39 | 20m | +2 / - | F4GRW | - / -14 | 2 | ✓ Closing fragment |
| 08-22 19:33 | 20m | +6 / - | TA3NK | - / -9 | 2 | Partial capture |
| 08-22 19:31 | 20m | +2 / - | SM0EJR | - / -1 | 2 | ✓ Closing fragment |
| 08-22 19:23 | 20m | +16 / +4 | IK4LZH | +3 / - | 4 | ✓ Closing observed |
| 08-22 19:18 | 20m | 0 / -14 | CT1BFP | -3 / -11 | 5 | ✓ Full exchange observed |
| 08-22 19:15 | 20m | -5 / - | K2GSC | - / -17 | 3 | ✓ Closing fragment |
| 08-22 19:04 | 20m | -3 / - | BI1AFK | - / -11 | 2 | ✓ Closing fragment |
| 08-22 19:04 | 20m | - / - | PY4STO | -13 / - | 2 | Partial capture |
| 08-22 19:01 | 20m | 0 / -3 | BG8NQ | -22 / -6 | 3 | ✓ Full exchange observed |
| 08-22 18:59 | 20m | -2 / - | R9JDA | - / -7 | 2 | ✓ Closing fragment |
| 08-22 16:46 | 20m | +2 / - | PD3FJJ | +7 / - | 4 | ✓ Closing observed |
| 08-22 16:40 | 20m | -2 / -5 | UA4FQO | +7 / -15 | 7 | Partial capture |
| 08-22 16:37 | 20m | -3 / - | JR7NFW | - / -16 | 2 | ✓ Closing fragment |
| 08-22 16:30 | 20m | -2 / - | R9JAU | - / -1 | 2 | ✓ Closing fragment |
| 08-22 16:26 | 20m | +2 / +7 | UN3P | -5 / +3 | 3 | ✓ Full exchange observed |
| 08-22 16:24 | 20m | +6 / - | SN4K | - / -13 | 2 | Partial capture |
| 08-22 16:23 | 20m | 0 / -13 | F4IVG | -10 / -13 | 4 | ✓ Full exchange observed |
| 08-22 16:19 | 20m | - / -6 | OZ9FF | -2 / - | 2 | ✓ Closing fragment |
| 08-22 16:18 | 20m | -1 / - | F5URG | +12 / - | 2 | ✓ Closing observed |
| 08-22 16:14 | 20m | -9 / - | DK5OPA | +2 / - | 7 | ✓ Closing observed |
| 08-22 16:14 | 20m | -12 / -3 | UC7T | -4 / -12 | 4 | ✓ Full exchange observed |
| 08-22 16:13 | 20m | - / -10 | F1THK | -8 / - | 3 | ✓ Closing fragment |
| 08-22 16:11 | 20m | -16 / - | DL3EBJ | -4 / - | 3 | ✓ Closing observed |
| 08-22 07:52 | 20m | +2 / - | K4A | - / -14 | 2 | ✓ Closing fragment |
| 08-20 19:41 | 20m | -4 / - | WA3SWJ | - / -11 | 2 | Partial capture |
| 08-20 11:29 | 20m | -6 / - | R8CHS | - / -4 | 2 | ✓ Closing fragment |
| 08-20 11:25 | 20m | +1 / -19 | PA1PXL | -3 / -12 | 6 | ✓ Full exchange observed |
| 08-20 11:24 | 20m | - / - | CT3MD | -10 / - | 2 | ✓ Closing fragment |
| 08-20 11:20 | 20m | +1 / - | G0PDR | - / -19 | 2 | ✓ Closing fragment |
| 08-20 11:16 | 20m | - / - | F1PPH | +3 / - | 9 | Partial capture |
| 08-20 10:17 | 20m | +1 / -11 | DK5CR/QRP | -10 / -14 | 2 | Partial capture |
| 08-20 10:16 | 20m | -4 / - | EA1KP | - / -9 | 2 | ✓ Closing fragment |
| 08-20 10:15 | 20m | -6 / - | EA2EED | - / -14 | 2 | ✓ Closing fragment |
| 08-20 10:14 | 20m | -9 / - | 9A5MP | - / -13 | 2 | ✓ Closing fragment |
| 08-20 10:13 | 20m | 0 / - | PD5MVH | - / -16 | 2 | ✓ Closing fragment |
| 08-20 10:12 | 20m | -2 / - | SV2HTW | - / 0 | 2 | ✓ Closing fragment |
| 08-20 10:10 | 20m | -6 / - | F5SFT | +16 / -3 | 3 | ✓ Full exchange observed |
| 08-20 10:09 | 20m | -10 / - | MM0TBH | - / -5 | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 195530 +0 523 RK3AF 9A4AA 73 200500 -1 1777 RK3AF SV5BYP R+19 200515 +5 1776 SV5BYP RK3AF RR73 200530 +5 1777 RK3AF SV5BYP 73 200630 +2 1453 OD5ZZ RK3AF +03 (x2) 200715 -13 1454 RK3AF OD5ZZ 73 200800 +9 2032 TA2POM RK3AF RR73 200900 +10 521 TA2ZLM RK3AF -20 201345 -7 735 KA1MR RK3AF -06 (x3) 201815 -4 364 KJ1R RK3AF -07 (x3)
UTC dB Audio Message 200930 -3 658 PY5QR RK3AF KO75 201130 -13 658 PT9RR RK3AF KO75 (x2) 201615 -1 657 CQ RK3AF KO75 (x2) 202245 -10 658 PY2PJN RK3AF 73 (x2) 202345 -10 657 CQ RK3AF KO75 202400 -14 807 RK3AF SV2CLJ KN10 (x4) 203200 -15 1106 RK3AF PY7XC -04 (x2) 080400 -10 399 CQ RK3AF KO75 a1
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.