DK1BX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO41

Receiver-side FT8 activity involving DK1BX, decoded by SO8OO in southeastern Poland. 119 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 8 UTC dates in the available aggregate history. Observed between 2026-06-29 and 2026-09-03.

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 119 FT8 messages attributed to DK1BX as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (79%), followed by 20 m (18%) and 10 m (2%). Several six-hour UTC windows tied for the largest share (79%), so no unique busiest interval is claimed. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (98%); the estimated median was +8 dB.

Overview

119
Messages attributed
8
UTC dates decoded
14
Active 15-min windows
+8 dB
Estimated median S/N

Bands

80m · 94 40m · 1 20m · 22 10m · 2
First attributed message: 2026-06-29
Last attributed message: 2026-09-03 22:31 UTC

Observed FT8 message patterns

Attributed sample
119 messages
Active dates
8 UTC dates
Estimated median S/N
+8 dB
Estimated 10th-90th percentile
-2 to +14 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 2, strong (≥ -8 dB) 117.

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 DK1BX 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 DK1BX

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
JO41 · 101 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
916 km (approx.)
Last such locator decoded
2026-09-03 22:31 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 UTCBandDK1BX S/NCounterpartCounterpart S/NMsgsCapture
09-03 22:35 80m - / - EA3RO -19 / - 2 Partial capture
09-03 22:32 80m - / - F6BHK -10 / - 2 Partial capture
09-03 22:31 80m - / - OH2FQV +4 / - 2 Partial capture
09-03 22:24 80m +10 / - RI1FJL - / - 4 Partial capture
09-03 21:45 80m +8 / - RI1FJL - / - 59 Partial capture
08-16 15:20 20m +14 / - <...> - / 0 2 Partial capture
08-16 15:14 20m +5 / - <...> - / - 6 Partial capture
08-16 06:54 20m -1 / - SP8NFO - / -3 2 ✓ Closing fragment
08-15 14:57 20m +1 / - XU7O - / - 4 Partial capture
08-13 20:53 80m +16 / - 9J2FI - / - 11 Partial capture
08-13 20:50 80m +11 / - F6KSS - / -15 3 Partial capture
07-24 21:28 80m +8 / - CT2KNA - / -12 2 ✓ Closing fragment
07-24 21:28 80m - / - DD7EE +3 / - 2 Partial capture
07-24 21:28 80m - / - SP6FME +13 / - 2 Partial capture
07-24 21:25 80m +7 / - D2UY - / -15 6 ✓ Closing fragment
07-24 21:23 80m - / - DD7EE +2 / - 2 Partial capture
07-24 21:23 80m 0 / +1 DO9BAU +6 / +2 7 ✓ Full exchange observed
07-24 21:21 80m -2 / 0 DL1YEG -8 / - 5 ✓ Closing observed
07-24 21:19 80m -3 / - TF4M - / -12 3 ✓ Closing fragment
07-02 15:59 20m -4 / - R9OFU - / -14 2 ✓ Closing fragment
07-02 15:58 20m - / -15 F4FSY -14 / - 2 Partial capture
07-02 15:58 20m - / - RA3WJR -16 / - 2 Partial capture
07-02 15:56 20m 0 / - RW9AD - / -21 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

80m 
UTC    dB Audio  Message
222015  -2  871  RI1FJL DK1BX JO41 (x6)
223100 -18  436  DK1BX RR73; S57UX <...> +00
223115  +6  932  CQ DK1BX JO41                         a1
223130  +6  930  DK1BX OH2FQV KP20 (x2)
223200 -11  871  DK1BX F6BHK JN24
223230  -8  931  DK1BX UR3QCB KN77
223300 -10  931  DK1BX F6BHK JN24
223500 -20  932  DK1BX EA3RO JN11 (x2)
20m 
UTC    dB Audio  Message
145815  +3  723  XU7O DK1BX JO41 (x3)
065415  +4 1623  CQ DK1BX JO41
065445  -2 1623  SP8NFO DK1BX -03 (x2)
151415  -5  725  <...> DK1BX JO41 (x7)
152030  -1  412  DK1BX R9FDE/P -04
152045 +13  461  <...> DK1BX R+00
40m 
UTC    dB Audio  Message
064630 -12 2608  DK1BX DL6MRM JO52
070845 -14  914  VP2MAA DK1BX JO41
10m 
UTC    dB Audio  Message
064045  +4 1218  CQ DK1BX JO41 (x2)

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee