RT4A/M — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving RT4A/M, decoded by SO8OO in southeastern Poland. 304 related FT8 messages, 79 CQ messages, observed on 80m, 40m, 20m, across 3 UTC dates. Heard between 2026-06-05 and 2026-06-27.
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 RT4A/M worked most often, as logged from our receiver:
Activity Heatmap
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 | RT4A/M S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 06-27 12:36 | 20m | - / -9 | IK2XDF | -18 / - | 6 | Partial capture |
| 06-27 11:43 | 20m | - / - | <...> | -21 / - | 2 | ✓ Closing fragment |
| 06-27 11:36 | 20m | -22 / - | R9FGF | - / -8 | 2 | Partial capture |
| 06-17 21:06 | 80m | - / -5 | IK2UUF | -6 / - | 2 | Partial capture |
| 06-17 21:00 | 80m | -24 / - | <...> | +4 / - | 2 | ✓ Closing fragment |
| 06-17 20:54 | 80m | - / 0 | IT9VCE | -5 / - | 2 | Partial capture |
| 06-17 20:54 | 80m | - / - | HG8LXL | +10 / - | 4 | Partial capture |
| 06-17 20:43 | 80m | -24 / - | <...> | +10 / - | 3 | ✓ Closing fragment |
| 06-17 20:43 | 80m | - / - | HG8LXL | +11 / - | 8 | Partial capture |
| 06-17 20:40 | 80m | -24 / - | <...> | -17 / - | 2 | ✓ Closing fragment |
| 06-17 20:39 | 80m | -24 / -16 | E70SZ | +7 / -16 | 4 | Partial capture |
| 06-17 20:33 | 80m | - / - | E70SZ | +8 / - | 4 | Partial capture |
| 06-17 20:31 | 80m | -24 / - | YO5USA | +3 / -15 | 7 | Partial capture |
| 06-17 20:31 | 80m | -24 / - | <...> | -2 / - | 4 | ✓ Closing fragment |
| 06-17 20:30 | 80m | - / 0 | RV3X | -5 / - | 2 | Partial capture |
| 06-17 20:26 | 80m | - / - | <...> | +6 / - | 3 | ✓ Closing fragment |
| 06-17 20:24 | 80m | - / -4 | R3HH | -22 / - | 2 | Partial capture |
| 06-17 20:22 | 80m | - / -9 | ER5DX | -12 / - | 2 | Partial capture |
| 06-17 20:22 | 80m | - / - | SM5MRW | -10 / - | 8 | Partial capture |
| 06-17 20:12 | 80m | -18 / - | <...> | -2 / - | 3 | ✓ Closing fragment |
| 06-17 20:08 | 80m | - / - | DL5MK | -3 / - | 2 | Partial capture |
| 06-17 20:07 | 80m | - / - | <...> | -5 / - | 3 | ✓ Closing fragment |
| 06-17 20:05 | 80m | - / - | RK3AQ | -17 / - | 3 | Partial capture |
| 06-17 20:02 | 80m | -21 / - | <...> | -13 / - | 3 | ✓ Closing fragment |
| 06-17 19:58 | 80m | - / - | DH6BH | 0 / - | 4 | Partial capture |
| 06-17 19:50 | 80m | - / - | DL5MK | -6 / - | 2 | Partial capture |
| 06-17 19:46 | 80m | - / - | <...> | -18 / - | 3 | ✓ Closing fragment |
| 06-17 19:34 | 80m | - / -2 | 9A4ZM | +2 / - | 3 | Partial capture |
| 06-17 19:32 | 80m | -21 / - | <...> | -7 / - | 4 | ✓ Closing fragment |
| 06-17 19:26 | 40m | -22 / - | SP6FME | - / -14 | 2 | Partial capture |
| 06-17 19:25 | 40m | -24 / -1 | RU3XW | -16 / -4 | 2 | Partial capture |
| 06-17 19:21 | 40m | -19 / -4 | S59A | +13 / -7 | 2 | Partial capture |
| 06-17 19:18 | 40m | -21 / - | <...> | -10 / - | 7 | ✓ Closing fragment |
| 06-17 19:06 | 40m | - / - | <...> | -1 / - | 3 | ✓ Closing fragment |
| 06-17 19:06 | 40m | - / -6 | R1BLH | -6 / - | 4 | Partial capture |
| 06-17 19:03 | 40m | - / -1 | RZ3DW | +3 / - | 3 | Partial capture |
| 06-17 19:02 | 40m | - / -10 | DK7ZT | -10 / - | 2 | Partial capture |
| 06-17 19:01 | 40m | -16 / - | <...> | -12 / - | 3 | ✓ Closing fragment |
| 06-17 18:51 | 40m | -21 / - | <...> | -17 / - | 3 | ✓ Closing fragment |
| 06-17 18:49 | 40m | -20 / - | RV3DNP | - / -13 | 2 | Partial capture |
| 06-17 18:46 | 40m | -17 / - | RX3ASQ | - / +9 | 3 | ✓ Closing fragment |
| 06-17 18:46 | 40m | - / - | DK9BF | -2 / - | 4 | Partial capture |
| 06-17 18:43 | 40m | -21 / - | ON6SAT | - / -20 | 3 | Partial capture |
| 06-17 18:39 | 40m | -21 / - | SP6FME | - / -15 | 2 | Partial capture |
| 06-17 18:37 | 40m | - / - | R5MA | -14 / - | 2 | Partial capture |
| 06-17 18:37 | 40m | -22 / - | RC6BB | - / -6 | 3 | Partial capture |
| 06-17 18:37 | 40m | - / - | PD1BER | -15 / - | 13 | Partial capture |
| 06-17 18:34 | 40m | -20 / -2 | UA6ANQ | -10 / 0 | 4 | Partial capture |
| 06-17 18:33 | 40m | - / - | PD1BER | -12 / - | 2 | Partial capture |
| 06-17 18:31 | 40m | -21 / - | <...> | -12 / - | 8 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 113630 -24 1854 R9FGF RT4A/M -08 (x2) 113730 -18 1854 CQ RT4A/M 114315 -22 2215 RT4A/M <...> 73 (x4) 123030 -24 1853 CQ RT4A/M (x2) 123645 -17 1853 RT4A/M IK2XDF JN45 (x6)
UTC dB Audio Message 205400 +15 2314 RT4A/M HG8LXL KN06 205415 -24 1685 CQ RT4A/M 205430 -7 1696 RT4A/M IT9VCE JM77 205430 +6 2314 RT4A/M HG8LXL KN06 205500 -3 1696 RT4A/M IT9VCE R+00 205500 +6 2314 RT4A/M HG8LXL KN06 205515 -24 1684 CQ RT4A/M 205530 +11 2314 RT4A/M HG8LXL KN06 205915 -20 1685 CQ RT4A/M 205945 -19 1684 R1BLH RT4A/M -14 210015 -24 1685 <...> RT4A/M RR73 210030 +4 360 RT4A/M <...> 73 210600 -5 640 RT4A/M IK2UUF JN45 (x2) 210645 -2 1503 RT4A/M IU5TQG JN53
UTC dB Audio Message 191915 -19 1854 R1BQV RT4A/M -06 192000 -8 791 RT4A/M <...> 73 192015 -22 1854 RA0SCA RT4A/M +00 192045 -22 1854 <...> RT4A/M RR73 192145 -19 1854 S59A RT4A/M -07 192200 +13 1855 RT4A/M S59A R-04 192200 -14 1779 RT4A/M SV1GYG KM18 192215 -19 1854 <...> RT4A/M RR73 192300 -3 1905 RT4A/M <...> RR73 192415 -22 1854 <...> RT4A/M 73 192515 -24 1854 RU3XW RT4A/M -04 192530 -16 1847 RT4A/M RU3XW R-01 192600 -19 1847 RT4A/M <...> 73 192615 -22 1854 SP6FME RT4A/M -14 (x2)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.