RA4PKA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RA4PKA, decoded by SO8OO in southeastern Poland. 219 related FT8 messages, 60 CQ messages, observed on 80m, 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-05-25 and 2026-08-23.
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 RA4PKA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RA4PKA
Approximate centre of LO64, decoded 2026-08-23 04:50 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 | RA4PKA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 04:50 | 20m | -16 / - | RD1A | - / -18 | 2 | Partial capture |
| 08-23 04:50 | 20m | -17 / - | R4PHH | -12 / -14 | 3 | Partial capture |
| 08-22 14:22 | 20m | -10 / - | <...> | - / - | 2 | Partial capture |
| 08-21 17:17 | 40m | -10 / -3 | SV2AEL | -12 / -13 | 6 | ✓ Full exchange observed |
| 08-21 17:16 | 40m | -11 / - | R3PLN/P | - / -11 | 3 | ✓ Closing fragment |
| 08-14 14:26 | 20m | - / -7 | SV2AEL | -10 / - | 3 | Partial capture |
| 08-14 14:19 | 20m | - / +4 | DL1EDR | -6 / - | 4 | Partial capture |
| 08-06 18:31 | 80m | -16 / -3 | RA3VX | -1 / -3 | 5 | ✓ Full exchange observed |
| 08-06 18:30 | 80m | -16 / +1 | RC9WC | -18 / - | 2 | ✓ Closing observed |
| 08-06 18:28 | 80m | - / - | DK7UY | -9 / - | 4 | Partial capture |
| 08-06 18:26 | 80m | -13 / -7 | R1TAX | -6 / - | 7 | ✓ Closing observed |
| 08-06 18:25 | 80m | -13 / -2 | RA4CA | -10 / -9 | 6 | ✓ Full exchange observed |
| 08-06 18:24 | 80m | -13 / -6 | UN8DSW | -15 / - | 5 | ✓ Closing observed |
| 08-06 18:24 | 80m | - / - | YT5KD | -4 / - | 2 | Partial capture |
| 08-06 18:21 | 80m | - / -7 | R1TAX | -6 / - | 4 | Partial capture |
| 07-15 01:04 | 40m | - / - | F4BYA | +2 / - | 2 | Partial capture |
| 06-23 18:33 | 80m | -12 / -8 | RZ7RCP | 0 / -20 | 5 | ✓ Full exchange observed |
| 06-23 18:31 | 80m | - / - | YO4LUP | +2 / - | 2 | Partial capture |
| 06-23 18:30 | 80m | -11 / -11 | R6FMK | 0 / - | 4 | ✓ Closing observed |
| 06-23 18:25 | 80m | -15 / - | RA1OD | - / -16 | 2 | Partial capture |
| 06-23 18:24 | 80m | -14 / -1 | R3EDI | +2 / -6 | 5 | ✓ Full exchange observed |
| 06-07 19:56 | 80m | - / - | OE9GWV | -19 / - | 3 | Partial capture |
| 06-07 19:52 | 80m | - / - | DD5Y | +4 / - | 3 | Partial capture |
| 06-07 19:50 | 80m | -17 / -15 | 9A4ZM | +5 / -19 | 12 | Partial capture |
| 06-07 19:48 | 80m | - / -7 | R6DOB | -4 / - | 3 | ✓ Closing fragment |
| 06-07 19:38 | 80m | - / - | E77EA | +6 / - | 5 | Partial capture |
| 06-07 19:37 | 80m | -24 / -9 | R1WBW | +3 / -8 | 4 | ✓ Full exchange observed |
| 06-07 19:34 | 80m | - / - | HG8LXL | 0 / - | 5 | Partial capture |
| 06-07 19:29 | 80m | -20 / - | RK4FF | - / +5 | 2 | ✓ Closing fragment |
| 06-07 19:26 | 80m | -20 / -18 | R1BLH | -8 / -18 | 4 | ✓ Full exchange observed |
| 06-07 19:25 | 80m | - / -5 | UB3LCK | -18 / - | 3 | Partial capture |
| 06-07 19:17 | 80m | - / - | E77EA | -5 / - | 5 | Partial capture |
| 06-07 19:13 | 80m | - / - | 9A4ZM | -5 / - | 3 | Partial capture |
| 06-07 18:58 | 40m | -10 / - | R4CBF | - / -17 | 2 | Partial capture |
| 06-07 18:35 | 40m | - / -2 | RZ5D | -17 / - | 2 | Partial capture |
| 06-07 18:33 | 40m | - / - | IU3OAR | -8 / - | 2 | Partial capture |
| 06-04 10:01 | 20m | -7 / - | RV6BT | -15 / -15 | 4 | ✓ Closing observed |
| 05-29 11:11 | 20m | -5 / -14 | R2EA/P | -8 / - | 3 | ✓ Closing observed |
| 05-28 17:13 | 40m | - / -1 | RA9AMO | -12 / - | 2 | ✓ Closing fragment |
| 05-26 16:39 | 40m | - / -3 | RT6Z | -10 / - | 3 | ✓ Closing fragment |
| 05-26 16:02 | 40m | - / - | DM9YL | -4 / - | 5 | Partial capture |
| 05-26 16:00 | 40m | - / -11 | UA3GJM | -15 / - | 2 | ✓ Closing fragment |
| 05-26 15:54 | 40m | - / 0 | R7MP | -18 / - | 2 | Partial capture |
| 05-26 13:19 | 10m | - / -12 | A41ZZ | -12 / - | 2 | ✓ Closing fragment |
| 05-26 05:42 | 20m | - / +2 | RJ3T | +10 / - | 4 | ✓ Closing fragment |
| 05-26 05:42 | 20m | - / -8 | R4FDW | -6 / - | 2 | ✓ Closing fragment |
| 05-26 05:38 | 20m | -12 / -13 | UA1AQC | -13 / -17 | 7 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 142015 -6 2532 RA4PKA DL1EDR R+04 (x3) 142615 -6 2491 RA4PKA SV2AEL KN10 (x3) 142230 -16 2359 <...> RA4PKA +12 (x2) 045000 -18 2171 CQ RA4PKA LO64 045015 -11 2170 RA4PKA R4PHH LO64 045030 -19 2170 RD1A RA4PKA R-18 045045 -14 2170 RA4PKA R4PHH LO64 045100 -14 2171 RD1A RA4PKA R-18 045200 -17 2171 R4PHH RA4PKA -14 050345 -18 2124 R8QA/M RA4PKA +00
UTC dB Audio Message 165200 -21 2079 RA4PKA UB6ZDJ KN98 010430 +2 2882 RA4PKA F4BYA JN19 (x3) 153800 -7 2490 RA4PKA UB3AMO 73 155030 -13 2489 RA4PKA DA1ST JO41 171630 -13 2433 R3PLN/P RA4PKA LO64 (x2) 171715 -13 2128 RA4PKA SV2AEL KN10 171730 -9 2433 R3PLN/P RA4PKA 73 171745 -10 2128 RA4PKA SV2AEL KN10 171800 -10 2433 SV2AEL RA4PKA -13 171815 -13 2128 RA4PKA SV2AEL R-03 (x3)
UTC dB Audio Message 182845 -13 2103 R1TAX RA4PKA RR73 182900 -10 2102 RA4PKA DK7UY JO44 182900 -5 2388 RA4PKA R1TAX 73 182930 -9 2103 RA4PKA DK7UY JO44 182945 -13 2103 CQ RA4PKA LO64 183000 -18 1699 RA4PKA RC9WC +01 183045 -16 2103 RC9WC RA4PKA 73 183115 -17 2103 CQ RA4PKA LO64 183130 -3 1375 RA4PKA RA3VX LO06 183145 -18 2103 RA3VX RA4PKA -03 183200 +1 1375 RA4PKA RA3VX R-03 183215 -14 2103 RA3VX RA4PKA RR73 183230 -2 1375 RA4PKA RA3VX 73 183315 -13 2103 CQ RA4PKA LO64 (x2)
UTC dB Audio Message 131900 -11 922 RA4PKA A41ZZ -12 (x2) 130600 +8 368 RA4PKA <...> R-02
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.