RU3KA — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RU3KA, decoded by SO8OO in southeastern Poland. 440 related FT8 messages, 105 CQ messages, observed on 80m, 40m, 20m, 10m, across 48 UTC dates. Heard between 2026-05-26 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 RU3KA worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RU3KA
Approximate centre of LO01, decoded 2026-08-20 21:35 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 | RU3KA S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 20:57 | 40m | -12 / -5 | G3EFG | 0 / -10 | 4 | ✓ Full exchange observed |
| 08-23 20:55 | 40m | -8 / - | RA4PIS | -1 / -2 | 3 | ✓ Closing observed |
| 08-23 14:39 | 20m | +12 / - | YB7FII | - / -12 | 2 | Partial capture |
| 08-20 21:32 | 40m | -10 / - | BA6IM | - / -15 | 2 | ✓ Closing fragment |
| 08-20 21:30 | 40m | -20 / -8 | GM5DNA | -2 / -14 | 4 | ✓ Full exchange observed |
| 08-20 19:28 | 40m | -7 / -5 | RA4FUP | -7 / -4 | 5 | ✓ Full exchange observed |
| 08-20 19:26 | 40m | -6 / - | R3PLN/P | - / -14 | 2 | ✓ Closing fragment |
| 08-20 16:46 | 40m | -5 / +4 | RA3UAG | -15 / -7 | 3 | ✓ Full exchange observed |
| 08-20 15:33 | 40m | -14 / - | UB4HVI | - / -14 | 2 | ✓ Closing fragment |
| 08-20 15:32 | 40m | -14 / - | RK3AW | - / -8 | 2 | ✓ Closing fragment |
| 08-20 11:17 | 20m | - / -5 | F4HTA | -5 / - | 2 | ✓ Closing fragment |
| 08-20 11:15 | 20m | +2 / - | UA1AQC | - / -16 | 2 | Partial capture |
| 08-20 11:14 | 20m | +1 / -2 | ON4AOI | -1 / -13 | 4 | ✓ Full exchange observed |
| 08-19 20:24 | 40m | -6 / -4 | RL3T | -20 / -17 | 4 | ✓ Full exchange observed |
| 08-19 20:24 | 40m | -8 / -4 | EC5KY | -10 / -12 | 7 | ✓ Full exchange observed |
| 08-19 20:23 | 40m | -8 / - | R0LM | - / -18 | 2 | ✓ Closing fragment |
| 08-19 20:21 | 40m | -7 / - | ZS6OB | - / -19 | 2 | ✓ Closing fragment |
| 08-19 20:18 | 40m | -9 / - | EA8J | - / -16 | 2 | Partial capture |
| 08-16 20:54 | 40m | -8 / - | 4Z5NZ | - / -11 | 2 | ✓ Closing fragment |
| 08-16 18:35 | 20m | - / - | F4HWG | -4 / - | 2 | Partial capture |
| 08-16 18:32 | 20m | - / +4 | IV3IUM | 0 / - | 5 | ✓ Closing fragment |
| 08-16 18:26 | 40m | -10 / - | R3UBO | - / -2 | 2 | ✓ Closing fragment |
| 08-15 20:59 | 80m | +6 / +2 | SP3GTP | +2 / -4 | 4 | ✓ Full exchange observed |
| 08-15 20:55 | 80m | - / -7 | DD1UN | -4 / - | 4 | ✓ Closing fragment |
| 08-15 20:53 | 80m | 0 / -19 | E78Y | +6 / -5 | 4 | ✓ Full exchange observed |
| 08-15 20:51 | 80m | - / 0 | 8S2DX | -11 / - | 2 | ✓ Closing fragment |
| 08-15 18:49 | 20m | - / -3 | TA2ED | -9 / - | 2 | Partial capture |
| 08-15 02:29 | 80m | -9 / -3 | HB9EFK | +3 / -1 | 4 | ✓ Full exchange observed |
| 08-15 02:18 | 80m | -8 / - | SP1ZMO | +8 / -6 | 6 | Partial capture |
| 08-15 02:17 | 80m | -8 / - | DO8JB | -1 / -12 | 11 | Partial capture |
| 08-15 02:16 | 80m | - / - | HB9MZI | -16 / - | 2 | Partial capture |
| 08-15 02:16 | 80m | - / - | PH7GD | -8 / - | 4 | Partial capture |
| 08-15 02:13 | 80m | +8 / +6 | DO5PY | +1 / -11 | 5 | ✓ Full exchange observed |
| 08-14 19:40 | 40m | -14 / - | F1IQH | -16 / - | 3 | ✓ Closing observed |
| 08-14 19:40 | 40m | -12 / - | IU5VLR | -20 / -10 | 3 | ✓ Closing observed |
| 08-14 05:34 | 20m | -18 / - | JY5IB | - / -12 | 2 | ✓ Closing fragment |
| 08-12 20:39 | 20m | -15 / - | CT1END/P | - / -13 | 2 | Partial capture |
| 08-12 20:36 | 20m | - / -16 | DH2RL | +1 / - | 3 | ✓ Closing fragment |
| 08-11 07:30 | 20m | - / -11 | RK6HWP | -14 / - | 4 | Partial capture |
| 08-11 07:29 | 20m | - / - | UA7T | -15 / - | 2 | ✓ Closing fragment |
| 08-10 21:52 | 20m | - / - | DH2RL | -10 / - | 2 | Partial capture |
| 08-10 04:49 | 20m | -15 / - | TA3ZGR | - / -16 | 2 | Partial capture |
| 08-10 04:43 | 20m | -22 / - | UB3FAT | - / -15 | 2 | ✓ Closing fragment |
| 08-10 04:38 | 20m | - / +2 | UA3PAB | -11 / - | 3 | Partial capture |
| 08-06 21:33 | 20m | -11 / - | BA8BLK | - / -18 | 2 | ✓ Closing fragment |
| 08-06 04:48 | 20m | -11 / - | HA2EOU | - / -15 | 2 | ✓ Closing fragment |
| 08-06 04:47 | 20m | -12 / - | IW4BO | - / -12 | 2 | Partial capture |
| 08-06 04:44 | 20m | -7 / - | SV2AOB | - / -9 | 2 | ✓ Closing fragment |
| 08-06 04:37 | 20m | -6 / - | RW9RR | - / -8 | 2 | ✓ Closing fragment |
| 08-06 04:33 | 20m | -6 / - | SV9ANC | - / -11 | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 213215 -10 1636 BA6IM RU3KA -15 (x2) 213445 -14 1636 9A3J RU3KA -04 213515 -11 1637 CQ RU3KA LO01 (x2) 060445 -22 1663 RU3KA UA3YPS 73 205415 -11 1340 BG2GWN RU3KA RR73 205515 -8 1340 RA4PIS RU3KA -02 (x2) 205600 -1 968 RU3KA RA4PIS 73 205730 -10 1340 G3EFG RU3KA -10 205745 +4 2775 RU3KA G3EFG R-05 205800 -15 1340 G3EFG RU3KA RR73 205815 -3 2775 RU3KA G3EFG 73 205945 -7 754 UN8DAW RU3KA RR73
UTC dB Audio Message 183415 +0 2226 RU3KA IV3IUM R+04 (x2) 183545 -6 1302 RU3KA F4HWG JN18 (x2) 111430 +1 919 ON4AOI RU3KA -13 111445 -2 1602 RU3KA ON4AOI R-02 111500 +1 919 ON4AOI RU3KA RR73 111515 +0 1602 RU3KA ON4AOI 73 111530 +2 919 UA1AQC RU3KA -16 (x2) 111745 -5 783 RU3KA F4HTA R-05 (x2) 143945 +11 2249 YB7FII RU3KA -12 (x2) 144145 +2 1147 EK1KE RU3KA -09
UTC dB Audio Message 205300 +4 1873 CQ RU3KA LO01 (x2) 205345 +8 1871 RU3KA E78Y -19 205400 +3 1872 E78Y RU3KA R-05 205415 +4 1871 RU3KA E78Y RR73 205430 -2 1873 E78Y RU3KA 73 205530 +3 2031 RU3KA DD1UN R-07 (x4) 205830 -1 2188 DO6JSA RU3KA -01 205945 +4 2188 SP3GTP RU3KA -04 210000 +2 1919 RU3KA SP3GTP R+02 210015 +7 2187 SP3GTP RU3KA RR73 210030 +1 1919 RU3KA SP3GTP 73
UTC dB Audio Message 081945 -9 2666 UI6A RU3KA +04 082115 -19 1725 EW7DDR RU3KA -11 (x2) 082430 -18 1726 BG0AYW RU3KA RR73 074200 -21 1329 UF6VX RU3KA RR73 074215 -15 2325 RU3KA UF6VX 73 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.