SM4UEF — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SM4UEF, decoded by SO8OO in southeastern Poland. 72 related FT8 messages, observed on 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-14 and 2026-08-06.
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 SM4UEF worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SM4UEF
Approximate centre of JP70, decoded 2026-08-11 21:14 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 | SM4UEF S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-11 21:15 | 40m | -1 / - | BG4UVR | - / -16 | 3 | ✓ Closing fragment |
| 08-11 21:14 | 40m | 0 / - | 9J2FI | - / -15 | 2 | Partial capture |
| 08-06 16:49 | 20m | - / -7 | DL1FOB | +2 / - | 6 | ✓ Closing fragment |
| 08-06 16:31 | 20m | -12 / - | 7Z1BQ | - / - | 2 | ✓ Closing fragment |
| 08-06 14:44 | 20m | -5 / - | 3B8HK | - / -4 | 3 | ✓ Closing fragment |
| 07-24 20:47 | 20m | -8 / - | JA3HDM | - / -6 | 2 | ✓ Closing fragment |
| 07-24 19:31 | 40m | - / +4 | DG0JW | -9 / - | 3 | ✓ Closing fragment |
| 07-24 19:30 | 40m | - / - | HG8LXL | -8 / - | 3 | Partial capture |
| 07-24 19:27 | 40m | - / +1 | SP1I | -13 / - | 6 | Partial capture |
| 07-24 18:37 | 80m | 0 / - | ZS6WAB | - / - | 2 | Partial capture |
| 07-24 18:34 | 80m | -5 / - | ZS6WAB | - / - | 2 | Partial capture |
| 07-23 15:11 | 20m | -18 / - | A41ZZ | - / -9 | 2 | ✓ Closing fragment |
| 07-23 15:10 | 20m | -20 / - | JH4BYS | - / -12 | 2 | ✓ Closing fragment |
| 07-23 15:06 | 20m | -15 / - | VU4R | - / -20 | 2 | ✓ Closing fragment |
| 07-23 15:01 | 20m | -9 / - | VU4R | - / - | 5 | Partial capture |
| 07-23 14:27 | 20m | -14 / - | VU4R | - / - | 3 | Partial capture |
| 07-14 16:08 | 20m | -11 / -5 | 7Z1BM | -18 / -6 | 5 | ✓ Full exchange observed |
| 07-14 15:47 | 20m | -19 / - | RI0SP | - / -1 | 3 | ✓ Closing fragment |
| 07-14 15:26 | 20m | - / - | R6DVV | -16 / - | 3 | Partial capture |
| 07-09 15:31 | 20m | -5 / - | S09S | - / -16 | 6 | ✓ Closing fragment |
| 06-26 11:21 | 10m | +9 / - | C91RU | - / -12 | 3 | Partial capture |
| 06-23 14:53 | 20m | -16 / - | N6AX | - / -15 | 2 | Partial capture |
| 06-16 17:01 | 20m | - / - | EA3EDU | +11 / - | 2 | Partial capture |
| 06-16 16:58 | 20m | - / - | BI8SSW | -4 / - | 2 | Partial capture |
| 06-13 12:01 | 20m | 0 / - | RI0SP | -14 / -10 | 4 | ✓ Closing observed |
| 06-13 11:51 | 20m | +12 / - | 3B8HK | - / - | 4 | Partial capture |
| 06-12 20:13 | 40m | -8 / - | 9X5KM | - / - | 8 | Partial capture |
| 06-12 20:02 | 40m | -7 / - | 9X5KM | - / - | 9 | Partial capture |
| 06-12 19:55 | 40m | - / - | IU4PPL | -4 / - | 2 | Partial capture |
| 06-12 19:52 | 40m | -4 / - | 9X5KM | - / - | 9 | Partial capture |
| 06-10 20:42 | 40m | +5 / - | TL8BNW | -10 / -13 | 6 | ✓ Closing observed |
| 06-09 21:37 | 40m | -10 / - | 9X5KM | - / - | 5 | Partial capture |
| 06-09 21:27 | 40m | +1 / - | 9X5KM | - / - | 7 | Partial capture |
| 06-03 14:59 | 20m | +1 / -4 | DK4BP | -21 / - | 2 | ✓ Closing observed |
| 06-03 14:55 | 20m | -5 / -1 | SV9TLU | -9 / -5 | 6 | ✓ Full exchange observed |
| 06-02 21:48 | 20m | - / - | DF8DO | -14 / - | 2 | Partial capture |
| 06-02 21:42 | 20m | +5 / - | CP7DX | - / - | 8 | Partial capture |
| 05-31 14:51 | 10m | -9 / -13 | RW6A | +12 / -16 | 3 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 193000 -14 1188 SM4UEF SP1I R+01 193000 -8 1493 SM4UEF HG8LXL KN06 193100 -10 1237 SM4UEF DG0JW +04 193100 -9 1492 SM4UEF HG8LXL KN06 193130 -9 1237 SM4UEF DG0JW +04 193130 -7 1491 SM4UEF HG8LXL KN06 193200 -8 1237 SM4UEF DG0JW RR73 193315 -19 1305 F5PBG SM4UEF RR73 193430 -7 1492 SM4UEF HG8LXL 73 193445 -17 1305 SQ3KO SM4UEF -12 211400 +0 2867 9J2FI SM4UEF JP70 (x2) 211530 +1 2867 BG4UVR SM4UEF -16 (x3)
UTC dB Audio Message 204730 -9 379 JA3HDM SM4UEF R-06 (x2) 144445 -5 308 3B8HK SM4UEF JP70 (x3) 163115 -12 353 7Z1BQ SM4UEF JP70 (x2) 164945 +1 2920 SM4UEF DL1FOB JO63 (x6) 165845 -10 365 W8DOD SM4UEF JP70 170430 -6 324 WY0V SM4UEF JP70
UTC dB Audio Message 183400 -4 307 ZS6WAB SM4UEF JP70 (x4)
UTC dB Audio Message 144345 -1 398 OJ0MN SM4UEF R-16 145145 +14 964 SM4UEF RW6A -13 145200 -9 624 RW6A SM4UEF R-16 145215 +11 964 SM4UEF RW6A RR73 145345 -9 474 SM4UEF R4PEX 73 112115 +9 501 C91RU SM4UEF JP70 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.