DL9SK — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DL9SK, decoded by SO8OO in southeastern Poland. 126 FT8 messages attributed to this token as transmitter, on 40m, 20m, across 10 UTC dates in the available aggregate history. Observed between 2026-07-15 and 2026-09-14.
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 126 FT8 messages attributed to DL9SK as the transmitting token by decoded message structure across 10 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (93%), followed by 40 m (7%). Most decodes (95%) fell within the six-hour window 13:00-19:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.
Overview
Bands
Last attributed message: 2026-09-14 17:00 UTC
Observed FT8 message patterns
- Attributed sample
- 126 messages
- Active dates
- 10 UTC dates
- Estimated median S/N
- -15 dB
- Estimated 10th-90th percentile
- -22 to -8 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 53, moderate (-15 to -9 dB) 57, strong (≥ -8 dB) 16.
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 DL9SK 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 DL9SK
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
- JN49 · 75 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 920 km (approx.)
- Last such locator decoded
- 2026-09-14 16:52 UTC
Other locator fields attributed to this token: JN48 (8).
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 | DL9SK S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 09-14 16:59 | 40m | -15 / - | DK7XD | -11 / -5 | 3 | Partial capture |
| 09-14 16:58 | 40m | -17 / -8 | DJ0MAB | -4 / -6 | 5 | ✓ Full exchange observed |
| 09-14 16:54 | 40m | - / - | DJ0MAB | +2 / - | 3 | Partial capture |
| 09-14 16:53 | 40m | - / - | DL3IAK | -7 / - | 8 | Partial capture |
| 09-14 16:53 | 40m | - / -3 | DL6UM | +3 / - | 8 | Partial capture |
| 09-14 16:51 | 40m | -15 / -12 | HG8LXL | -4 / -8 | 8 | ✓ Full exchange observed |
| 09-14 16:49 | 40m | -17 / -2 | DL7ACA | -3 / -7 | 5 | ✓ Full exchange observed |
| 08-30 13:17 | 20m | - / -10 | F5SFT | -5 / - | 2 | Partial capture |
| 08-23 14:46 | 10m | - / 0 | LZ1EV | +2 / - | 4 | ✓ Closing fragment |
| 08-23 14:16 | 20m | -13 / -19 | RC6OD | +2 / -6 | 6 | ✓ Full exchange observed |
| 08-22 18:57 | 20m | -9 / - | UA6LIC | - / - | 3 | Partial capture |
| 08-22 18:55 | 20m | -11 / - | PD5RAY | -17 / -5 | 3 | ✓ Closing observed |
| 08-22 18:51 | 20m | -9 / - | EA2WX/P | - / - | 5 | Partial capture |
| 08-22 18:46 | 20m | -16 / - | G3ZQQ | - / -8 | 2 | ✓ Closing fragment |
| 08-22 18:43 | 20m | -19 / - | M0LHJ | -11 / -5 | 4 | ✓ Closing observed |
| 08-22 18:39 | 20m | -23 / -18 | RU3AMO | -12 / - | 3 | ✓ Closing observed |
| 08-22 18:23 | 20m | -16 / -17 | CU3HN | +2 / -7 | 10 | ✓ Full exchange observed |
| 08-22 18:17 | 20m | -16 / - | UA3ECJ | -10 / -7 | 7 | ✓ Closing observed |
| 08-22 18:14 | 20m | - / -23 | M7WFZ | -1 / - | 4 | ✓ Closing fragment |
| 08-22 17:10 | 20m | - / - | R9LM | -6 / - | 3 | ✓ Closing fragment |
| 08-22 16:30 | 20m | -14 / - | BG7BVI | - / - | 3 | Partial capture |
| 08-22 16:28 | 20m | -15 / - | BG7BMG | - / - | 3 | Partial capture |
| 08-22 16:23 | 20m | -21 / - | SP6FME | - / -7 | 2 | ✓ Closing fragment |
| 08-22 16:18 | 20m | - / -10 | DC8TM | +4 / - | 5 | ✓ Closing fragment |
| 08-22 16:14 | 20m | -19 / -16 | 7K1CPT | -6 / -6 | 7 | ✓ Full exchange observed |
| 08-22 16:07 | 20m | -5 / - | 9M2HUS | - / - | 6 | Partial capture |
| 08-22 15:51 | 20m | -10 / - | BG7BMG | - / - | 3 | Partial capture |
| 08-22 15:48 | 20m | -8 / - | BH4GCQ | - / - | 4 | Partial capture |
| 08-22 15:46 | 20m | -8 / - | EC3A | - / - | 4 | Partial capture |
| 08-22 15:45 | 20m | -18 / - | YB7FII | - / - | 2 | Partial capture |
| 08-22 15:23 | 20m | -14 / - | SP5ZIP | - / - | 2 | Partial capture |
| 08-22 15:21 | 20m | -18 / - | EC3A | -10 / -6 | 3 | ✓ Closing observed |
| 08-22 15:14 | 20m | -9 / - | R1AV | - / -6 | 4 | Partial capture |
| 08-19 19:14 | 40m | - / +5 | DF7YT | -13 / - | 2 | ✓ Closing fragment |
| 08-19 17:55 | 20m | - / -5 | EA1FJD | -12 / - | 4 | Partial capture |
| 08-19 17:34 | 20m | - / -4 | UA3ZQN | -12 / - | 2 | Partial capture |
| 08-14 18:40 | 20m | - / -18 | JA0JWQ | -6 / - | 2 | ✓ Closing fragment |
| 08-14 18:38 | 20m | -17 / - | EU6UE | - / -5 | 3 | ✓ Closing fragment |
| 08-14 18:22 | 20m | - / -16 | M7MJW | -3 / - | 2 | Partial capture |
| 08-14 18:20 | 20m | - / -7 | SV2AOB | -8 / - | 2 | ✓ Closing fragment |
| 08-08 16:07 | 20m | - / -10 | 9A4ZM | -8 / - | 3 | ✓ Closing fragment |
| 08-08 16:06 | 20m | - / -14 | HA9OA | -1 / - | 2 | ✓ Closing fragment |
| 08-08 16:04 | 20m | - / -14 | YO4GIY | -14 / - | 2 | ✓ Closing fragment |
| 08-08 15:54 | 20m | - / -14 | EA5OL | -10 / - | 3 | Partial capture |
| 08-08 15:47 | 20m | - / -13 | RN6MA | +10 / - | 4 | ✓ Closing fragment |
| 08-08 15:28 | 20m | - / -16 | EA3HKD | -21 / - | 3 | ✓ Closing fragment |
| 08-08 15:16 | 20m | -10 / -6 | IK4LZH | -8 / -5 | 3 | ✓ Full exchange observed |
| 08-08 14:07 | 20m | - / -19 | MI0JZZ | -4 / - | 3 | ✓ Closing fragment |
| 08-02 14:05 | 20m | - / +1 | M9MAS | -18 / - | 3 | Partial capture |
| 08-02 13:54 | 20m | - / -14 | M7CYY | -18 / - | 2 | Partial capture |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 165615 -9 340 DL9SK DL3IAK JN49 165645 -1 685 DL9SK DL6UM R-03 165645 -5 341 DL9SK DL3IAK JN49 165715 +0 685 DL9SK DL6UM R-03 165715 -8 340 DL9SK DL3IAK JN49 165745 +1 685 DL9SK DL6UM R-03 165745 -4 341 DL9SK DL3IAK JN49 165815 -4 1979 DL9SK DJ0MAB R-08 165830 -17 1605 DJ0MAB DL9SK -06 165845 -2 1979 DL9SK DJ0MAB R-08 165915 -10 1044 DL9SK DK7XD JO43 165915 -7 1979 DL9SK DJ0MAB R-08 165945 -12 1044 DL9SK DK7XD JO43 165945 -4 1979 DL9SK DJ0MAB 73 170030 -15 1605 DK7XD DL9SK -05
UTC dB Audio Message 190015 -22 1959 R9JDA DL9SK JN49 190645 -17 1959 VE2FON DL9SK JN49 191945 -24 1959 DL3EBJ DL9SK JN49 141445 -15 1826 BD8ELZ DL9SK JN49 141645 -12 1827 RC6OD DL9SK JN49 141700 +2 452 DL9SK RC6OD -19 141715 -14 1826 RC6OD DL9SK JN49 141730 -1 452 DL9SK RC6OD -19 141745 -13 1825 RC6OD DL9SK R-06 141800 +6 452 DL9SK RC6OD RR73 142330 -1 1677 DL9SK MM0IYT -12 142545 -8 1831 MM0IYT DL9SK R-05 131700 -3 1279 DL9SK F5SFT -10 (x2) 133015 -15 1663 M8NDF DL9SK JN49
UTC dB Audio Message 144600 +3 1234 DL9SK LZ1EV +00 (x4)
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.
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