DK0NPB — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving DK0NPB, decoded by SO8OO in southeastern Poland. 34 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 3 UTC dates in the available aggregate history. Observed between 2026-07-09 and 2026-07-13.
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 34 FT8 messages attributed to DK0NPB as the transmitting token by decoded message structure across 3 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (44%), followed by 20 m (41%) and 40 m (15%). Most decodes (88%) fell within the six-hour window 14:00-20:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10 dB.
Overview
Bands
Last attributed message: 2026-07-13 17:01 UTC
Observed FT8 message patterns
- Attributed sample
- 34 messages
- Active dates
- 3 UTC dates
- Estimated median S/N
- -10 dB
- Estimated 10th-90th percentile
- -18 to -1 dB
- Recurring-pattern threshold
- Met
SO8OO display ranges among successful decodes: weak (≤ -16 dB) 7, moderate (-15 to -9 dB) 14, strong (≥ -8 dB) 13.
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 DK0NPB 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 DK0NPB
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
- JO62 · 2 decoded messages
- SO8OO receiver locator
- KN09VW
- Locator-centre separation
- 675 km (approx.)
- Last such locator decoded
- 2026-07-13 16:58 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 | DK0NPB S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 07-13 17:01 | 20m | -4 / - | YO9PH | - / -6 | 2 | ✓ Closing fragment |
| 07-13 16:59 | 20m | -4 / - | OH8NW | - / -7 | 2 | ✓ Closing fragment |
| 07-13 16:57 | 20m | -2 / - | ES1BH | - / -10 | 2 | Partial capture |
| 07-13 14:35 | 20m | -14 / - | T77PM | - / -25 | 2 | Partial capture |
| 07-13 14:14 | 20m | -10 / - | SP2XRT | - / -19 | 2 | Partial capture |
| 07-13 14:06 | 20m | -14 / - | SH7KAT | - / -18 | 2 | Partial capture |
| 07-10 20:41 | 40m | - / - | DL8UNO | -14 / - | 2 | Partial capture |
| 07-10 20:40 | 40m | -11 / +2 | F5RRS | -14 / -5 | 7 | ✓ Full exchange observed |
| 07-10 18:52 | 80m | -9 / - | OH5D | - / -10 | 5 | ✓ Closing fragment |
| 07-10 18:47 | 80m | +1 / - | OH5D | - / -12 | 5 | Partial capture |
| 07-10 14:41 | 20m | - / -21 | EB5AFK | -16 / - | 3 | ✓ Closing fragment |
| 07-09 19:56 | 80m | -24 / -10 | LY3I | -4 / - | 3 | ✓ Closing observed |
| 07-09 19:05 | 80m | - / -15 | DO9BAU | +4 / - | 3 | ✓ Closing fragment |
| 07-09 19:03 | 80m | -16 / -13 | RA2FU | -9 / -21 | 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 144200 -18 1942 DK0NPB EB5AFK 73 140645 -13 887 SH7KAT DK0NPB -18 (x2) 140945 -20 1634 OK1UOZ DK0NPB -01 141400 -8 755 SP2XRT DK0NPB JO62 (x2) 143545 -12 871 T77PM DK0NPB -25 (x2) 165430 -21 1719 UB2FDL DK0NPB +01 165715 -3 743 ES1BH DK0NPB -10 (x2) 165945 -4 617 OH8NW DK0NPB -07 (x2) 170115 -6 617 YO9PH DK0NPB R-06 (x2)
UTC dB Audio Message 171115 -15 2396 OH1EDK DK0NPB -07 204030 -13 1187 OH5KNL DK0NPB RR73 204045 -16 1865 DK0NPB F5RRS JN36 (x2) 204130 -10 1213 DK8HC DK0NPB RR73 204145 -14 1865 DK0NPB F5RRS JN36 204145 -12 1490 DK0NPB DL8UNO JO71 204200 -13 1213 F5RRS DK0NPB -05 204215 -15 1865 DK0NPB F5RRS R+02 204215 -16 1490 DK0NPB DL8UNO JO71 204230 -9 1213 F5RRS DK0NPB RR73 204245 -12 1865 DK0NPB F5RRS 73
UTC dB Audio Message 190645 +3 2202 DK0NPB DO9BAU 73 195600 -3 1425 DK0NPB LY3I R-10 195615 -24 1356 LY3I DK0NPB RR73 195630 -4 1425 DK0NPB LY3I 73 173915 -9 1361 RZ3ZY DK0NPB -13 184700 -3 523 OH5D DK0NPB -12 (x10)
UTC dB Audio Message 083400 -16 2016 DK0NPB ES2HV R-06
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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