DM4SH — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DM4SH, decoded by SO8OO in southeastern Poland. 577 related FT8 messages, 295 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-06-05 and 2026-08-22.
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 DM4SH worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by DM4SH
Approximate centre of JO30, decoded 2026-08-22 06:49 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 | DM4SH S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-21 07:19 | 40m | - / -15 | SP1ZMO | -9 / - | 5 | Partial capture |
| 08-20 05:41 | 40m | -7 / - | OA4ENG | - / -15 | 3 | ✓ Closing fragment |
| 08-20 05:38 | 40m | -1 / +4 | G0BLB | -6 / - | 5 | ✓ Full exchange observed |
| 08-20 05:34 | 80m | -13 / - | F1TXI | - / +5 | 2 | ✓ Closing fragment |
| 08-20 05:32 | 80m | -12 / - | CT2GQA | - / -15 | 2 | ✓ Closing fragment |
| 08-20 05:30 | 80m | - / - | DM2GG | -9 / - | 3 | Partial capture |
| 08-20 05:30 | 80m | -10 / - | DK5OPA | -9 / +9 | 5 | ✓ Full exchange observed |
| 08-19 10:54 | 20m | -12 / - | TF3AK | - / -10 | 4 | Partial capture |
| 08-19 10:52 | 20m | -10 / - | UT4QM | - / -10 | 2 | ✓ Closing fragment |
| 08-17 21:41 | 80m | +1 / -19 | SV8GXC | -12 / -21 | 11 | Partial capture |
| 08-17 21:09 | 80m | -4 / - | DO6JSA | -10 / - | 3 | ✓ Closing observed |
| 08-17 20:57 | 80m | -6 / -12 | DO4HHK | -11 / -17 | 7 | ✓ Full exchange observed |
| 08-17 20:51 | 80m | - / -2 | SP4NDY | +13 / - | 3 | ✓ Closing fragment |
| 08-17 20:48 | 80m | - / - | OK1SI | +16 / - | 2 | Partial capture |
| 08-17 20:35 | 80m | 0 / -3 | DA6IT | -7 / +1 | 5 | ✓ Full exchange observed |
| 08-17 20:27 | 80m | -6 / - | DO5KHR | - / +5 | 2 | ✓ Closing fragment |
| 08-17 20:12 | 40m | -11 / - | BA7IWL | - / -22 | 3 | ✓ Closing fragment |
| 08-17 20:12 | 40m | -7 / - | MM7UIR | - / +3 | 2 | ✓ Closing fragment |
| 08-17 08:24 | 20m | -2 / - | EA2AUK | - / +6 | 2 | ✓ Closing fragment |
| 08-07 10:06 | 20m | -12 / - | RX7O | -8 / -12 | 3 | ✓ Closing observed |
| 08-06 18:26 | 80m | -10 / - | DA6NEL | - / -14 | 4 | ✓ Closing fragment |
| 08-06 18:23 | 80m | -16 / - | SP3NGH | - / - | 2 | Partial capture |
| 08-06 18:19 | 80m | -14 / - | UG4L | - / - | 3 | Partial capture |
| 08-06 18:08 | 40m | -9 / +2 | IZ4AIF | -8 / - | 3 | ✓ Closing observed |
| 08-06 18:03 | 40m | -12 / - | F4DIA | - / - | 2 | ✓ Closing fragment |
| 08-06 17:57 | 40m | -14 / - | BG5JGG | - / - | 4 | Partial capture |
| 08-06 17:48 | 40m | -10 / - | DL7ROB | -8 / +4 | 3 | ✓ Closing observed |
| 08-06 17:46 | 40m | -12 / -8 | UA4FKT | -6 / -3 | 5 | ✓ Full exchange observed |
| 08-04 19:36 | 80m | -20 / +5 | DO1DMR | -1 / +10 | 3 | ✓ Full exchange observed |
| 08-04 19:35 | 80m | - / +3 | F1PBZ | -8 / - | 3 | Partial capture |
| 08-03 15:50 | 20m | -7 / - | F4JJS/P | - / -15 | 6 | Partial capture |
| 08-03 15:49 | 20m | -7 / -7 | IZ5FSO | -18 / -18 | 3 | Partial capture |
| 08-03 15:44 | 40m | -12 / -22 | R6ZL | -14 / -16 | 3 | ✓ Full exchange observed |
| 08-02 20:12 | 40m | -6 / - | DA2DH | - / - | 2 | ✓ Closing fragment |
| 08-02 20:00 | 160m | - / -5 | UT4WT | +4 / - | 3 | ✓ Closing fragment |
| 08-02 19:52 | 80m | - / -7 | YO2LIM | +12 / - | 4 | ✓ Closing fragment |
| 08-02 19:37 | 40m | -15 / -19 | R6TA | -10 / -16 | 4 | Partial capture |
| 08-02 19:34 | 40m | -10 / - | G5TAR | - / -6 | 3 | ✓ Closing fragment |
| 08-02 19:23 | 80m | - / -5 | DL9KM | -13 / - | 3 | ✓ Closing fragment |
| 08-02 19:13 | 40m | -6 / - | HL3LMS | - / - | 5 | Partial capture |
| 08-02 19:03 | 40m | - / - | SP1ZMO | -12 / - | 2 | Partial capture |
| 08-02 18:58 | 40m | -9 / - | RQ3D | -18 / - | 3 | ✓ Closing observed |
| 08-02 18:54 | 40m | -8 / - | BG8KUB | - / -14 | 7 | ✓ Closing fragment |
| 08-02 18:53 | 40m | -11 / - | SP6ASD | - / -4 | 2 | ✓ Closing fragment |
| 08-02 17:52 | 80m | - / - | DO1FZL | -12 / - | 6 | Partial capture |
| 08-02 17:14 | 40m | -13 / - | UA5D | -12 / -4 | 3 | Partial capture |
| 07-26 06:13 | 20m | -2 / - | ZL1VAH | - / -24 | 4 | ✓ Closing fragment |
| 07-26 06:11 | 20m | -2 / - | <...> | - / -5 | 2 | Partial capture |
| 07-26 06:02 | 20m | +4 / - | 9Y4DG | - / - | 6 | Partial capture |
| 07-25 10:20 | 20m | -9 / - | VE3TCS | - / -12 | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 054230 -6 928 OA4ENG DM4SH 73 071915 -12 927 DM4SH SP1ZMO JO73 (x5) 072245 -7 928 DM4SH DB3MAX JO64 064500 -10 928 CQ DM4SH JO30 (x6) 065045 -23 2098 DM4SH SP5DUJ KO02 071100 -9 927 DL8YMR DM4SH RR73
UTC dB Audio Message 181900 +4 2891 CQ DM4SH JO30 053015 -12 700 DM4SH DK5OPA JO30 053030 -11 892 DK5OPA DM4SH +09 053045 -9 1530 DM4SH DM2GG JO51 053045 -7 700 DM4SH DK5OPA R+25 053100 -8 892 DK5OPA DM4SH RR73 053115 -10 1530 DM4SH DM2GG JO51 053115 -9 699 DM4SH DK5OPA 73 053145 -9 1530 DM4SH DM2GG JO51 053200 -9 892 CT2GQA DM4SH -15 (x2) 053300 -10 892 CQ DM4SH JO30 (x2) 053400 -12 892 F1TXI DM4SH R+05 (x2)
UTC dB Audio Message 220915 -12 1092 DM4SH DJ3ZF JN49 220945 -11 557 DM4SH G4EHT IO92 221100 -12 920 DJ3ZF DM4SH RR73 221115 -10 1092 DM4SH DJ3ZF 73 221630 -15 921 CQ DM4SH JO30 a1 221730 -14 921 DL2VN DM4SH RR73 222000 -16 920 CQ DM4SH JO30 a1 (x3) 203545 -7 921 G3UHU DM4SH RR73 203600 -9 747 DM4SH G3UHU 73 184730 +3 921 CQ DM4SH JO30 (x3) 184915 -22 1404 DM4SH IU5HIU JN53
UTC dB Audio Message 100630 -8 2592 DM4SH RX7O RR73 100645 -12 965 RX7O DM4SH 73 082315 -4 965 YO5PHL DM4SH RR73 082415 -5 965 EA2AUK DM4SH +06 (x2) 102100 -9 968 CQ DM4SH JO30 (x4) 105230 -10 968 UT4QM DM4SH -10 (x2) 105430 -12 968 TF3AK DM4SH JO30 (x4)
UTC dB Audio Message 205415 -11 884 IU3RRX DM4SH R+09 (x2) 204815 -12 884 <...> DM4SH R+18 (x2) 205330 -9 591 DM4SH OE1RDU/3 -15 205345 -14 884 <...> DM4SH JO30 205400 -7 591 DM4SH OE1RDU/3 -15 205415 -12 884 RN3DDW/P DM4SH R-10 205615 -11 884 CQ DM4SH JO30 205645 -13 884 DO7LIA DM4SH R+05 (x2) 220800 -12 884 S57AJ DM4SH JO30 200045 +5 940 DM4SH UT4WT KO20 (x3)
UTC dB Audio Message 095845 -3 984 EG4WWA DM4SH JO30 (x4) 100930 -1 983 Z61DX DM4SH JO30 101645 -11 983 II5WWA DM4SH JO30 101700 -13 803 DM4SH II5WWA -02 101815 -1 983 II5WWA DM4SH 73 093145 -17 984 CQ DM4SH JO30 a1 (x3) 093615 -12 984 UR5EPZ DM4SH -16 113630 -7 1260 CQ DM4SH JO30 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.