DM8KM — reception at SO8OO
Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.
FT8 activity
Receiver-side FT8 activity involving DM8KM, decoded by SO8OO in southeastern Poland. 6,725 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 40 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-10-18.
These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.
SO8OO decoded 6,725 FT8 messages attributed to DM8KM as the transmitting token by decoded message structure across 40 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (48%), followed by 80 m (27%) and 20 m (14%). The busiest six-hour window was 02:00-08:00 UTC, containing 36% of decodes. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (85%); the estimated median was -2 dB.
Overview
Bands
Last attributed message: 2026-10-18 03:45 UTC
Observed FT8 message patterns
- Attributed sample
- 6,725 messages
- Active dates
- 40 UTC dates
- Estimated median S/N
- -2 dB
- Estimated 10th-90th percentile
- -11 to +9 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 303, moderate (-15 to -9 dB) 708, strong (≥ -8 dB) 5,714.
WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.
Frequent counterpart tokens observed at SO8OO
Tokens most often paired with DM8KM in decoded directed-looking exchanges:
Attributed messages by UTC hour
Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.
Most frequent locator attributed to DM8KM
The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.
- Attributed locator
- JN69 · 4,859 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 634 km (approx.)
- Last such locator decoded
- 2026-10-18 03:45 UTC
A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.
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 | DM8KM S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 10-18 03:44 | 40m | +1 / - | CO6XX | - / - | 3 | Partial capture |
| 10-18 03:33 | 40m | +2 / - | ON1JP | - / -14 | 2 | ✓ Closing fragment |
| 10-18 03:32 | 40m | 0 / - | R3TAW | - / -18 | 2 | ✓ Closing fragment |
| 10-18 03:28 | 40m | -2 / - | UA9SY | -7 / -5 | 3 | ✓ Closing observed |
| 10-18 03:24 | 80m | +6 / - | ON4MAP | -9 / +1 | 4 | ✓ Full exchange observed |
| 10-18 03:19 | 80m | +8 / - | W1MDK | - / -13 | 2 | ✓ Closing fragment |
| 10-18 03:16 | 80m | +6 / -19 | 4Z5AV | -7 / -6 | 6 | ✓ Full exchange observed |
| 10-18 03:16 | 80m | 0 / -13 | R4FDD | -4 / -14 | 4 | ✓ Full exchange observed |
| 10-18 03:12 | 80m | +7 / - | TF3VG | - / - | 5 | Partial capture |
| 10-18 03:11 | 80m | +12 / - | R6LE | - / -9 | 2 | ✓ Closing fragment |
| 10-18 03:09 | 80m | +14 / -4 | F1IQH | +5 / -3 | 4 | ✓ Full exchange observed |
| 10-18 03:08 | 80m | +16 / -4 | GM6URC | 0 / -3 | 4 | ✓ Full exchange observed |
| 10-18 03:04 | 80m | +18 / - | TF3VG | - / - | 4 | Partial capture |
| 10-15 21:12 | 80m | +1 / +2 | DL1YEG | -8 / +2 | 4 | ✓ Full exchange observed |
| 10-15 20:59 | 160m | -3 / -25 | G4DBW | -20 / -8 | 5 | ✓ Full exchange observed |
| 10-15 20:55 | 160m | -8 / +1 | OK1TRJ | +3 / -1 | 5 | ✓ Full exchange observed |
| 10-15 20:49 | 80m | -9 / - | DM6MAR | - / -5 | 3 | ✓ Closing fragment |
| 10-15 20:42 | 80m | -8 / - | DA6OOM | -13 / -3 | 4 | ✓ Closing observed |
| 10-15 20:35 | 80m | -2 / - | DA6OOM | - / -2 | 2 | ✓ Closing fragment |
| 10-15 20:24 | 80m | -4 / +2 | OE3IPU | +11 / -1 | 5 | ✓ Full exchange observed |
| 10-15 19:47 | 80m | +1 / - | ON4MAP | -8 / -3 | 4 | ✓ Closing observed |
| 10-15 19:19 | 80m | -6 / - | DO5AX | - / -4 | 2 | ✓ Closing fragment |
| 10-15 19:06 | 80m | - / - | YO5QDI | +15 / - | 3 | Partial capture |
| 10-15 19:05 | 80m | +6 / -2 | DA6PI | -4 / -5 | 4 | ✓ Full exchange observed |
| 10-15 18:48 | 80m | +8 / -12 | EA1KCN | -12 / -11 | 5 | ✓ Full exchange observed |
| 10-15 18:44 | 80m | +8 / - | R7CD | +4 / -12 | 6 | ✓ Closing observed |
| 10-15 18:43 | 80m | +6 / -1 | DD3DJ | -12 / -5 | 4 | ✓ Full exchange observed |
| 10-15 18:36 | 80m | +7 / -20 | US1MM | +6 / -9 | 5 | ✓ Full exchange observed |
| 10-13 18:22 | 60m | +13 / - | F4HSB | - / +1 | 2 | ✓ Closing fragment |
| 10-13 18:20 | 60m | +9 / - | EB5R | - / -9 | 3 | ✓ Closing fragment |
| 10-13 18:13 | 60m | +16 / - | G4NVB | - / -9 | 2 | ✓ Closing fragment |
| 10-13 18:00 | 60m | +14 / -5 | G4SPE | -12 / 0 | 4 | ✓ Full exchange observed |
| 10-13 17:57 | 60m | +6 / - | DC4CP | - / +3 | 2 | ✓ Closing fragment |
| 10-13 17:52 | 60m | +10 / +1 | IT9VCE | -5 / -2 | 5 | ✓ Full exchange observed |
| 10-13 17:47 | 60m | +8 / - | DC5IU | - / -10 | 2 | ✓ Closing fragment |
| 10-13 17:41 | 60m | +4 / -8 | SQ9LOJ | -16 / -1 | 5 | ✓ Full exchange observed |
| 10-13 17:34 | 60m | +5 / - | DL5CG | -10 / -2 | 3 | ✓ Closing observed |
| 10-13 17:26 | 60m | +14 / -2 | YO4BEW | -21 / -9 | 5 | ✓ Full exchange observed |
| 10-13 17:26 | 60m | +8 / - | HA3PV | - / -8 | 2 | ✓ Closing fragment |
| 10-13 17:23 | 60m | +8 / - | DG0JK | 0 / -17 | 4 | ✓ Closing observed |
| 10-13 17:18 | 60m | +11 / +8 | DL5ASK | +2 / +1 | 7 | ✓ Full exchange observed |
| 10-13 17:13 | 60m | +10 / +6 | OH6NIO | -16 / -3 | 5 | ✓ Full exchange observed |
| 10-13 17:12 | 60m | +10 / -8 | G6GA | -3 / +1 | 5 | ✓ Full exchange observed |
| 10-13 17:10 | 60m | +10 / -3 | I8OHQ | 0 / - | 3 | ✓ Closing observed |
| 10-13 17:09 | 60m | +13 / - | F4IRP | -15 / -1 | 2 | Partial capture |
| 10-13 17:09 | 60m | +12 / -10 | SV1IZR | +3 / -5 | 5 | ✓ Full exchange observed |
| 10-13 17:05 | 60m | +8 / +2 | DK2YCT | -1 / +4 | 5 | ✓ Full exchange observed |
| 10-13 17:00 | 60m | +8 / 0 | DJ8HS | -4 / +2 | 4 | ✓ Full exchange observed |
| 10-13 16:55 | 60m | +12 / - | SV8NAJ | - / -4 | 2 | ✓ Closing fragment |
| 10-13 16:52 | 60m | +11 / +5 | F5GSD | +8 / -1 | 5 | ✓ Full exchange observed |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 033500 +3 2948 CQ DM8KM JN69 (x4) 033730 -1 2948 HC1BG DM8KM JN69 033900 -4 3020 CQ DM8KM JN69 (x7) 034445 -2 2988 CO6XX DM8KM JN69 (x3)
UTC dB Audio Message 031845 +3 2929 CQ DM8KM JN69 (x2) 031945 +7 2929 W1MDK DM8KM -13 (x2) 032045 +7 2929 CQ DM8KM JN69 (x7) 032400 -8 1502 DM8KM ON4MAP JO20 032415 -1 2930 ON4MAP DM8KM +01 032430 -10 1502 DM8KM ON4MAP R+15 032445 +12 2929 ON4MAP DM8KM RR73
UTC dB Audio Message 205415 -10 3139 CQ DM8KM JN69 (x2) 205530 +3 801 DM8KM OK1TRJ JN79 205545 -8 3139 OK1TRJ DM8KM -01 205600 +0 801 DM8KM OK1TRJ R+01 205615 -8 3139 OK1TRJ DM8KM RR73 205630 +6 801 DM8KM OK1TRJ 73 205645 -16 3139 CQ DM8KM JN69 (x3) 205945 -24 2153 DM8KM G4DBW JO01 210000 +0 2706 G4DBW DM8KM -08 210015 -16 2153 DM8KM G4DBW R-25 210030 -6 2707 G4DBW DM8KM RR73 210045 -19 2153 DM8KM G4DBW 73
UTC dB Audio Message 182100 +12 2841 EB5R DM8KM -09 (x2) 182200 +13 2841 F4HSB DM8KM +01 (x2) 182300 +11 2841 CQ DM8KM JN69 (x11)
UTC dB Audio Message 225945 -10 3126 PD0DNA DM8KM R-11 (x15)
UTC dB Audio Message 145730 -5 2777 DM8KM F4LNM JN09 (x3) 211545 -11 2684 DM8KM PY5TD R-19 211645 -9 2690 DM8KM PU2XEE -16
Decoder S/N history by band
Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.
CW
No CW receptions recorded for this callsign in the last 30 days.
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