SH4UMN — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving SH4UMN, decoded by SO8OO in southeastern Poland. 998 related FT8 messages, 231 CQ messages, observed on 40m, 20m, 10m, across 76 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 SH4UMN worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by SH4UMN
Approximate centre of JP70, decoded 2026-08-23 06:42 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 | SH4UMN S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-23 13:36 | 20m | - / -10 | ON4CJU | -8 / - | 2 | ✓ Closing fragment |
| 08-23 06:45 | 20m | -20 / - | F4HQO | -5 / -3 | 3 | ✓ Closing observed |
| 08-23 06:41 | 20m | - / - | F4HQO | -10 / - | 2 | Partial capture |
| 08-21 09:15 | 20m | - / -13 | PD4HT | -14 / - | 2 | Partial capture |
| 08-20 15:59 | 20m | - / -15 | UA6AKW | +12 / - | 4 | ✓ Closing fragment |
| 08-20 07:57 | 20m | -22 / - | OK1UYR | - / -13 | 2 | Partial capture |
| 08-20 07:52 | 20m | - / -14 | RD3FY | -16 / - | 3 | ✓ Closing fragment |
| 08-20 07:51 | 20m | -16 / - | PF2JV | -2 / - | 2 | ✓ Closing observed |
| 08-17 14:07 | 20m | - / - | F4DIF | -16 / - | 2 | Partial capture |
| 08-17 14:05 | 20m | - / - | G6HNJ | -20 / - | 2 | Partial capture |
| 08-15 15:00 | 20m | - / -23 | YO9BFN | -14 / - | 2 | ✓ Closing fragment |
| 08-14 15:36 | 20m | - / -12 | I0KNQ | +10 / - | 2 | ✓ Closing fragment |
| 08-14 15:31 | 20m | - / -6 | EG2FPA | +2 / - | 2 | ✓ Closing fragment |
| 08-12 14:57 | 20m | - / -1 | DL5BTE | -2 / - | 2 | ✓ Closing fragment |
| 08-12 14:10 | 20m | - / -4 | UA4PBT | -2 / - | 4 | Partial capture |
| 08-11 09:03 | 20m | - / -12 | PA3FPQ | -7 / - | 3 | Partial capture |
| 08-11 08:03 | 20m | - / -13 | G8GRG | -11 / - | 2 | Partial capture |
| 08-11 07:59 | 20m | - / -18 | PC5L | -9 / - | 2 | Partial capture |
| 08-09 13:55 | 20m | - / -7 | EW1MN | -10 / - | 2 | ✓ Closing fragment |
| 08-08 05:32 | 20m | - / -4 | R6OP | -16 / - | 3 | ✓ Closing fragment |
| 08-08 05:15 | 40m | - / -19 | IK4LZH | -8 / - | 2 | Partial capture |
| 08-08 05:04 | 40m | - / - | SP1ZMO | -17 / - | 4 | Partial capture |
| 08-06 09:00 | 20m | - / 0 | F6IFJ | -20 / - | 3 | ✓ Closing fragment |
| 08-06 08:57 | 20m | - / -16 | RU3QR | -12 / - | 11 | Partial capture |
| 08-06 08:53 | 20m | - / - | G0RVY | 0 / - | 4 | ✓ Closing fragment |
| 08-06 08:43 | 20m | - / -15 | PD3LKN | -14 / - | 6 | ✓ Closing fragment |
| 08-05 13:03 | 20m | - / -17 | LZ1AAW | -12 / - | 2 | ✓ Closing fragment |
| 08-03 12:59 | 20m | - / -14 | RU3QR | -21 / - | 6 | Partial capture |
| 08-02 15:46 | 20m | - / -12 | M0TJF | -12 / - | 2 | ✓ Closing fragment |
| 08-02 15:42 | 20m | - / - | G6OTZ | -14 / - | 2 | Partial capture |
| 08-02 15:40 | 20m | - / +1 | F1MBL | -14 / - | 3 | ✓ Closing fragment |
| 08-02 15:38 | 20m | - / - | F1JPG | -12 / - | 2 | ✓ Closing fragment |
| 08-02 15:36 | 20m | - / -19 | RA9LL | -2 / - | 2 | ✓ Closing fragment |
| 08-01 07:33 | 20m | - / -1 | F4HTA | -7 / - | 2 | ✓ Closing fragment |
| 08-01 07:29 | 20m | -12 / - | M0XCZ | - / - | 2 | ✓ Closing fragment |
| 07-31 10:25 | 20m | - / -13 | DG2BPW | -3 / - | 3 | ✓ Closing fragment |
| 07-31 10:25 | 20m | - / - | PD3LKN | -4 / - | 2 | Partial capture |
| 07-31 10:22 | 20m | - / - | PD3LKN | -7 / - | 2 | Partial capture |
| 07-31 09:11 | 20m | - / - | DK0RST | -15 / - | 8 | Partial capture |
| 07-29 10:23 | 20m | - / - | RW6B | -20 / - | 2 | ✓ Closing fragment |
| 07-29 09:57 | 20m | - / - | PD0RCQ | -5 / - | 3 | Partial capture |
| 07-28 10:46 | 20m | - / - | PD3LKN | -17 / - | 2 | Partial capture |
| 07-28 10:46 | 20m | - / - | IK4LZH | +5 / - | 4 | Partial capture |
| 07-28 08:48 | 20m | - / -4 | F4VWS | -7 / - | 2 | ✓ Closing fragment |
| 07-28 08:31 | 20m | - / - | UA6HGM | -10 / - | 2 | Partial capture |
| 07-27 15:21 | 20m | - / - | CT1BFP | -21 / - | 5 | Partial capture |
| 07-26 13:26 | 20m | - / -20 | PA7Q | -18 / - | 2 | ✓ Closing fragment |
| 07-25 09:32 | 10m | - / - | F5CUN | -2 / - | 3 | Partial capture |
| 07-25 09:14 | 10m | - / -3 | F1PBZ | -1 / - | 2 | Partial capture |
| 07-25 07:19 | 20m | - / +4 | DK4FH | -7 / - | 2 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 091430 -24 1932 CQ SH4UMN JP70 a1 091545 -13 1932 SH4UMN PD4HT R-13 (x2) 092415 -21 1932 SH4UMN PD0LH 73 132930 -18 2163 CQ SH4UMN JP70 (x3) 064115 -10 2704 SH4UMN F4HQO JO10 (x2) 064230 -23 1737 CQ SH4UMN JP70 064530 -22 1737 F4HQO SH4UMN -03 (x2) 064645 -5 2719 SH4UMN F4HQO 73 133600 -7 2818 SH4UMN ON4CJU -10 (x2)
UTC dB Audio Message 051715 -11 1231 SH4UMN LY1SR RR73 052215 -2 2643 SH4UMN SP6IYR JO81 (x2) 052945 -21 1855 SH4UMN SP2TQW R-07 072615 -14 2215 SH4UMN SQ8LE -01 050445 -19 1825 SH4UMN SP1ZMO JO73 (x2) 050615 -15 1062 SH4UMN SP1BMK 73 050615 -17 1824 SH4UMN SP1ZMO JO73 (x2) 051545 -7 439 SH4UMN IK4LZH R-19 (x2)
UTC dB Audio Message 134145 +5 442 SH4UMN F1PBZ -05 (x2) 134215 -2 2084 SH4UMN DO7DE JN49 134245 +2 442 SH4UMN F1PBZ -05 134600 +12 2794 SH4UMN 9A3K JN65 (x5) 091415 -3 2687 SH4UMN F1PBZ -03 091445 -18 1217 SH4UMN M0IOY R-07 091445 +1 2686 SH4UMN F1PBZ -03 093245 -1 270 SH4UMN F5CUN JN26 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.