RT3D — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RT3D, decoded by SO8OO in southeastern Poland. 169 related FT8 messages, 9 CQ messages, observed on 80m, 40m, 20m, 10m, across 29 UTC dates. Heard between 2026-05-22 and 2026-08-20.
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 RT3D worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by RT3D
Approximate centre of KO84, decoded 2026-08-17 22:30 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 | RT3D S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-20 16:47 | 20m | - / - | M1WLK | -3 / - | 2 | Partial capture |
| 08-17 16:40 | 20m | -9 / -9 | <...> | -16 / -14 | 2 | Partial capture |
| 08-13 22:38 | 40m | -4 / - | TN8GD | - / -19 | 4 | ✓ Closing fragment |
| 08-13 22:34 | 40m | -7 / - | YV5JDP | - / - | 3 | ✓ Closing fragment |
| 07-27 21:12 | 40m | -10 / - | SH0T | - / -9 | 2 | ✓ Closing fragment |
| 07-22 14:04 | 20m | -22 / -5 | SV5BYP | -17 / - | 2 | Partial capture |
| 07-20 22:17 | 20m | - / -12 | WA4FU | -20 / - | 2 | ✓ Closing fragment |
| 07-17 23:02 | 20m | -10 / - | HI8J | - / -19 | 3 | ✓ Closing fragment |
| 07-17 22:39 | 20m | - / -20 | IK4TVP | -8 / - | 2 | Partial capture |
| 07-17 22:39 | 20m | -10 / - | R2AL | -4 / -22 | 4 | Partial capture |
| 07-15 21:43 | 20m | -8 / - | EA1CQ | - / -18 | 3 | ✓ Closing fragment |
| 07-15 18:06 | 20m | -12 / - | Z31CZ | - / - | 3 | Partial capture |
| 07-15 17:37 | 20m | -14 / - | TN8GD | - / -12 | 2 | ✓ Closing fragment |
| 07-03 23:07 | 40m | -6 / - | VP2MAA | - / -14 | 5 | ✓ Closing fragment |
| 07-03 22:43 | 40m | - / - | PE1NPS | -12 / - | 4 | Partial capture |
| 07-03 22:41 | 40m | -13 / -3 | TM2WWA | -10 / - | 3 | ✓ Closing observed |
| 07-03 19:23 | 40m | -20 / - | 8A1WWA | - / -14 | 3 | ✓ Closing fragment |
| 07-03 14:14 | 20m | - / +1 | II2WWA | -16 / - | 2 | ✓ Closing fragment |
| 06-27 22:14 | 40m | -20 / - | IQ0FR | - / - | 3 | Partial capture |
| 06-27 19:16 | 40m | -14 / - | IQ8PZ | - / - | 3 | Partial capture |
| 06-26 22:07 | 80m | - / -5 | II9RICT | +8 / - | 2 | Partial capture |
| 06-26 22:07 | 80m | -1 / - | <...> | - / -15 | 3 | Partial capture |
| 06-26 13:47 | 20m | -14 / -6 | F5IXN | -13 / -24 | 5 | ✓ Full exchange observed |
| 06-26 13:42 | 20m | -14 / - | II1NAP | - / - | 4 | ✓ Closing fragment |
| 06-25 23:24 | 80m | - / - | IK4LZH | +8 / - | 7 | Partial capture |
| 06-25 23:08 | 80m | - / - | IK4LZH | +2 / - | 4 | Partial capture |
| 06-25 23:04 | 80m | - / - | IK4LZH | 0 / - | 2 | Partial capture |
| 06-25 23:00 | 80m | - / - | IK4LZH | +4 / - | 4 | Partial capture |
| 06-25 22:56 | 80m | - / - | IK4LZH | +4 / - | 4 | Partial capture |
| 06-25 22:49 | 80m | - / - | IK4LZH | +3 / - | 4 | Partial capture |
| 06-25 22:47 | 80m | - / -13 | EC3A | -7 / - | 2 | Partial capture |
| 06-25 22:45 | 80m | -4 / - | <...> | - / -24 | 3 | Partial capture |
| 06-25 22:43 | 80m | - / -11 | EC3A | -10 / - | 2 | Partial capture |
| 06-25 22:42 | 80m | 0 / -1 | RM5F | +4 / -4 | 4 | ✓ Full exchange observed |
| 06-25 22:35 | 80m | - / -8 | II0RTER | +4 / - | 4 | Partial capture |
| 06-25 22:34 | 80m | -4 / - | GB198KHZ | - / -25 | 2 | Partial capture |
| 06-25 22:09 | 40m | -22 / - | IQ4JO | - / - | 2 | Partial capture |
| 06-23 16:50 | 20m | - / - | F5IXN | -14 / - | 3 | Partial capture |
| 06-23 09:33 | 20m | -10 / - | IQ0FN | - / - | 3 | Partial capture |
| 06-22 17:30 | 40m | -8 / - | R8CW | - / -4 | 2 | ✓ Closing fragment |
| 06-21 22:19 | 40m | -15 / -2 | IQ9VG | -6 / -7 | 5 | ✓ Full exchange observed |
| 06-19 10:38 | 20m | -3 / -14 | IQ0OS | 0 / - | 3 | Partial capture |
| 06-19 10:36 | 20m | -16 / +1 | IQ6PE | -14 / -9 | 5 | ✓ Full exchange observed |
| 06-19 10:36 | 40m | - / - | DK5DW | -19 / - | 5 | Partial capture |
| 06-19 10:32 | 20m | -6 / -23 | IQ0OS | -14 / - | 4 | ✓ Closing observed |
| 06-18 20:50 | 40m | -10 / -8 | IQ3DD | -2 / -21 | 4 | ✓ Full exchange observed |
| 06-18 17:56 | 20m | - / -10 | RU6CH | +3 / - | 2 | ✓ Closing fragment |
| 06-18 12:36 | 20m | -10 / -13 | IQ9GD | +2 / -17 | 4 | ✓ Full exchange observed |
| 06-16 19:24 | 40m | -1 / -7 | IQ2UL | -6 / -22 | 4 | ✓ Full exchange observed |
| 06-16 19:09 | 40m | -17 / - | IQ2DB | +4 / - | 3 | ✓ Closing observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 225915 -10 585 CQ RT3D KO84 225945 -7 585 R4HHN RT3D -13 230245 -11 654 HI8J RT3D KO84 (x3) 221700 -18 1380 RT3D WA4FU -12 (x2) 222230 -3 826 RT3D W4DXM RR73 140415 -22 1795 SV5BYP RT3D KO84 140600 -17 1717 RT3D SV5BYP -05 164000 -16 1269 RT3D <...> -09 164015 -9 1364 <...> RT3D R-14 (x2) 164700 -5 2176 RT3D M1WLK IO82 (x2)
UTC dB Audio Message 230945 -21 1602 RT3D EC3A -14 230045 -15 1067 TJ1GD/P RT3D KO84 211230 -9 354 SH0T RT3D R-09 (x2) 211345 -11 2515 RT3D R2EA/P -14 212230 -5 626 <...> RT3D KO84 (x2) 223400 -9 912 YV5JDP RT3D KO84 (x3) 223845 -5 695 TN8GD RT3D KO84 (x4) 223030 -11 695 CR7BRV RT3D KO84
UTC dB Audio Message 135130 +14 1031 RT3D IW3BS -13 (x7) 120300 -7 692 RT3D DL2026T -12 103400 -12 1028 RT3D RR73; PA2RO <...> -18
UTC dB Audio Message 230915 +4 503 RT3D IK4LZH JN54 (x10) 220715 -1 904 <...> RT3D KO84 220730 +8 766 RT3D II9RICT -05 220745 -2 904 <...> RT3D KO84 220800 +9 766 RT3D II9RICT -05 220815 -1 904 <...> RT3D R-15
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.