DM4MB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DM4MB, decoded by SO8OO in southeastern Poland. 67 related FT8 messages, observed on 80m, 60m, 40m, 20m, 10m, across 7 UTC dates. Heard between 2026-05-31 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 DM4MB worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by DM4MB
Approximate centre of JO43, decoded 2026-08-22 21:30 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 | DM4MB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 08-22 21:27 | 20m | - / -8 | CX6TU | -4 / - | 2 | ✓ Closing fragment |
| 08-22 21:10 | 40m | -16 / +7 | TF1EIN | -8 / -3 | 4 | ✓ Full exchange observed |
| 08-22 20:23 | 80m | -8 / -7 | LB6LK | +2 / - | 4 | ✓ Closing observed |
| 08-22 20:20 | 80m | -16 / -17 | OH8CW | +4 / - | 2 | Partial capture |
| 08-22 20:18 | 80m | -8 / -16 | RA2FU | 0 / -4 | 5 | ✓ Full exchange observed |
| 08-22 15:21 | 20m | -7 / - | A93MO | - / - | 7 | Partial capture |
| 08-22 14:53 | 20m | -12 / - | EN35UKR | - / - | 2 | Partial capture |
| 08-22 10:32 | 10m | - / +7 | EI8GS | -19 / - | 2 | ✓ Closing fragment |
| 08-08 04:11 | 60m | -6 / - | OO0O | - / -9 | 3 | ✓ Closing fragment |
| 08-08 04:08 | 60m | -10 / -20 | OZ7FOC | -16 / -17 | 4 | ✓ Full exchange observed |
| 08-08 04:06 | 60m | -4 / -5 | HF5A | +13 / -5 | 5 | ✓ Full exchange observed |
| 08-08 04:05 | 60m | -4 / -2 | EA3AKY | -14 / -2 | 5 | ✓ Full exchange observed |
| 08-08 04:04 | 60m | -9 / -3 | DL8UD | +1 / -5 | 3 | ✓ Full exchange observed |
| 08-08 03:55 | 80m | - / +4 | DO5OT | -2 / - | 2 | ✓ Closing fragment |
| 08-07 08:42 | 10m | - / -9 | SV2JAO | 0 / - | 2 | ✓ Closing fragment |
| 08-04 20:02 | 20m | - / - | EA3HMM | 0 / - | 4 | Partial capture |
| 08-04 19:50 | 60m | -6 / - | DL6MRM | -12 / -4 | 4 | ✓ Full exchange observed |
| 08-04 19:34 | 80m | -18 / -9 | HA8RC | +2 / - | 4 | ✓ Closing observed |
| 08-04 19:33 | 80m | -20 / - | RU3DBT | - / - | 3 | Partial capture |
| 08-04 19:26 | 60m | -4 / +1 | DK1XAM | -5 / +3 | 5 | ✓ Full exchange observed |
| 08-01 21:09 | 10m | - / -13 | EA8UP | -14 / - | 2 | ✓ Closing fragment |
| 06-06 19:20 | 20m | - / -3 | IQ0OS | +11 / - | 5 | ✓ Closing fragment |
| 05-31 19:50 | 40m | +4 / - | LA6OCA | +7 / -10 | 3 | ✓ Closing observed |
| 05-31 19:46 | 40m | - / - | PA5MB | -4 / - | 2 | Partial capture |
| 05-31 19:45 | 40m | -5 / - | M7EJN | -16 / - | 2 | ✓ Closing observed |
| 05-31 19:44 | 40m | -2 / -14 | F5RRS | +2 / -6 | 5 | ✓ Full exchange observed |
| 05-31 19:43 | 40m | -4 / - | DL3EBJ | -4 / -2 | 4 | ✓ Full exchange observed |
| 05-31 19:33 | 40m | - / - | F5RRS | 0 / - | 4 | Partial capture |
| 05-31 19:32 | 40m | -5 / -6 | R95WTA | -10 / -2 | 7 | ✓ Full exchange observed |
| 05-31 19:26 | 40m | -2 / - | 7Z1CE | - / - | 4 | Partial capture |
| 05-31 19:24 | 20m | +3 / - | VU3OSA | - / - | 3 | Partial capture |
| 05-31 19:21 | 20m | +3 / - | XV9B | - / - | 3 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 200315 -4 346 DM4MB EA3HMM JN00 (x2) 145330 -10 981 EN35UKR DM4MB JO43 (x2) 152115 -8 539 A93MO DM4MB JO43 (x5) 152530 -20 2154 DM4MB M8KKH JO01 152545 -2 539 A93MO DM4MB JO43 (x2) 212745 -5 2155 DM4MB CX6TU -08 (x2) 213000 -5 2716 BU2FW DM4MB JO43
UTC dB Audio Message 194545 +4 1816 DM4MB F5RRS 73 194630 -5 1293 M7EJN DM4MB RR73 194645 -3 1945 DM4MB PA5MB JO21 (x2) 195000 +5 2970 LA6OCA DM4MB R-10 195015 +7 2971 DM4MB LA6OCA RR73 195030 +4 2970 LA6OCA DM4MB 73 195130 -4 1085 A61OK DM4MB JO43 195400 +1 834 UN8DSW DM4MB JO43 192130 -14 1202 DM4MB <...> R-07 041545 -19 1734 PV8AJ DM4MB JO43 211000 -14 1404 TF1EIN DM4MB JO43 211015 -9 1404 DM4MB TF1EIN +07 211030 -17 1404 TF1EIN DM4MB R-03 211045 -6 1404 DM4MB TF1EIN RR73
UTC dB Audio Message 195200 -2 2959 DM4MB G6CUT -11 035530 -2 781 DM4MB DO5OT R+04 (x2) 201800 -7 2434 DM4MB RA2FU -16 201815 -8 2434 RA2FU DM4MB R-04 201830 -1 2434 DM4MB RA2FU RRR 201845 -7 2434 RA2FU DM4MB 73 201900 +7 2434 DM4MB RA2FU 73 202030 -16 2728 OH8CW DM4MB JO43 202045 +4 2728 DM4MB OH8CW -17 202300 -2 738 LB6LK DM4MB JO43 (x2) 202415 +1 1162 DM4MB LB6LK -07 (x2) 202615 +1 1387 DM4MB DB100FT R-06
UTC dB Audio Message 210915 -9 1779 DM4MB EA8UP -13 (x2) 072930 -23 1678 DM4MB LZ1AG RR73 084230 +1 2253 DM4MB SV2JAO -09 (x2) 103215 -20 2224 DM4MB EI8GS +07 (x2)
UTC dB Audio Message 040600 -4 2168 EA3AKY DM4MB R-02 040615 -15 2167 DM4MB EA3AKY RR73 040630 -3 2168 EA3AKY DM4MB 73 040645 +12 2726 DM4MB HF5A JO92 040700 -2 2168 HF5A DM4MB -05 040715 +15 2726 DM4MB HF5A R-05 040730 -6 2168 HF5A DM4MB RR73 040745 +13 2726 DM4MB HF5A 73 040845 -17 1251 DM4MB OZ7FOC -20 040900 -12 1252 OZ7FOC DM4MB R-17 040915 -15 1250 DM4MB OZ7FOC RR73 040930 -9 1252 OZ7FOC DM4MB 73 041100 -8 774 OO0O DM4MB JO43 (x3)
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.