DG1KDD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO31

Receiver-side FT8 activity involving DG1KDD, decoded by SO8OO in southeastern Poland. 1,574 FT8 messages attributed to this token as transmitter, on 40m, 20m, 10m, across 49 UTC dates in the available aggregate history. Observed between 2026-06-09 and 2026-09-11.

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 1,574 FT8 messages attributed to DG1KDD as the transmitting token by decoded message structure across 49 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (79%), followed by 40 m (19%) and 10 m (2%). Most decodes (85%) fell within the six-hour window 04:00-10:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (81%); the estimated median was -1 dB.

Overview

1,574
Messages attributed
49
UTC dates decoded
160
Active 15-min windows
-1 dB
Estimated median S/N

Bands

First attributed message: 2026-06-09
Last attributed message: 2026-09-11 05:53 UTC

Observed FT8 message patterns

Attributed sample
1,574 messages
Active dates
49 UTC dates
Estimated median S/N
-1 dB
Estimated 10th-90th percentile
-13 to +9 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 97, moderate (-15 to -9 dB) 208, strong (≥ -8 dB) 1,269.

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.

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 DG1KDD

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
JO31 · 801 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,054 km (approx.)
Last such locator decoded
2026-09-11 05:52 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 UTCBandDG1KDD S/NCounterpartCounterpart S/NMsgsCapture
09-11 05:51 40m -1 / - K1RZ - / -21 5 ✓ Closing fragment
09-11 05:50 40m -2 / - KA1BMF - / - 3 Partial capture
09-11 05:46 40m -5 / - KT4ZG - / -19 6 ✓ Closing fragment
09-11 05:43 40m -8 / - J38DX - / -16 5 ✓ Closing fragment
09-11 05:40 40m -7 / - ZL1GMW - / -16 5 ✓ Closing fragment
09-11 05:38 40m -7 / - J38DX - / - 5 Partial capture
09-04 05:43 40m +5 / - K9FN - / - 5 Partial capture
09-04 05:40 40m +6 / - W2RLW - / - 6 Partial capture
09-04 05:37 40m +5 / - KE8AFJ - / -16 5 ✓ Closing fragment
09-04 05:36 40m +5 / - W0JW - / - 2 Partial capture
09-04 05:31 40m +6 / - AC8MR - / -15 6 ✓ Closing fragment
09-04 05:31 40m +4 / - AB2RR - / -19 5 ✓ Closing fragment
09-04 05:29 40m +8 / - W2RLW - / - 2 Partial capture
09-04 05:26 40m +6 / - KJ4EX - / -14 7 ✓ Closing fragment
09-04 05:25 40m +8 / - KY2J - / -7 2 ✓ Closing fragment
09-04 05:23 40m +3 / - N5RZ - / -13 3 ✓ Closing fragment
09-04 05:22 40m +2 / - KY2J - / - 2 Partial capture
09-04 05:19 40m +7 / - KC9IVQ - / - 3 Partial capture
09-04 05:18 40m +6 / - W9JOY -13 / -8 4 ✓ Closing observed
09-04 05:15 40m +7 / - NC6I - / -8 4 ✓ Closing fragment
09-04 05:13 40m +8 / - W9JOY - / - 2 Partial capture
09-04 05:10 40m +4 / - K5HTE - / -10 4 ✓ Closing fragment
09-04 05:10 40m +6 / - N5HBG - / -14 3 ✓ Closing fragment
09-04 05:06 40m +11 / - KE9END - / -15 3 ✓ Closing fragment
09-04 05:05 40m +8 / - KX8X - / -16 3 ✓ Closing fragment
09-04 05:01 40m +6 / - WF1B - / -17 3 ✓ Closing fragment
09-04 04:59 40m 0 / - AD9GE - / -14 2 ✓ Closing fragment
09-03 05:30 40m -5 / - KJ5PTH - / - 3 Partial capture
09-03 05:28 40m -7 / - K0LLE - / -16 4 ✓ Closing fragment
09-03 05:26 40m -6 / - CT7AXN - / -12 2 ✓ Closing fragment
09-03 05:23 40m -4 / - AB9PM - / - 3 Partial capture
09-03 05:22 40m -6 / - HK3AQJ - / -16 2 ✓ Closing fragment
09-03 05:19 40m +2 / - KE2CUR - / - 2 Partial capture
09-03 05:17 40m +1 / - W0RH - / - 2 Partial capture
09-03 05:15 40m +2 / - K0DTM - / - 2 Partial capture
09-03 05:13 40m -1 / - OA4CVQ - / -20 4 ✓ Closing fragment
09-03 05:12 40m -2 / - HK3AQJ - / - 2 Partial capture
08-31 05:57 40m - / +2 9A1MM +4 / - 2 ✓ Closing fragment
08-31 05:55 40m -6 / - G5TV - / - 2 Partial capture
08-31 05:38 40m -12 / - <...> - / -10 2 Partial capture
08-31 05:35 40m -10 / - SP3TD - / -12 3 ✓ Closing fragment
08-31 05:28 40m -16 / - WV5A - / - 2 Partial capture
08-28 05:49 40m +5 / - N4MMR - / -15 6 ✓ Closing fragment
08-28 05:16 20m -7 / - KW6X - / - 10 Partial capture
08-26 05:06 20m - / +1 K7KX -7 / - 2 ✓ Closing fragment
08-25 19:30 20m -16 / - EP2AES - / -16 4 Partial capture
08-25 19:15 20m -11 / - YB7FII - / - 2 Partial capture
08-25 19:10 20m - / - OZ1BUR -6 / - 3 Partial capture
08-25 18:50 20m -7 / - BI4XDT - / - 2 Partial capture
08-25 18:46 20m -8 / - BG0EJN - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
054545  -7 2240  J38DX DG1KDD 73
054615  -7 2240  KT4ZG DG1KDD JO31 (x6)
055000  -3 2240  KA1BMF DG1KDD JO31 (x3)
055130  -2 2240  K1RZ DG1KDD JO31 (x5)
20m
UTC    dB Audio  Message
193245 -13 2579  EP2AES DG1KDD R-16
050515 -19 1816  DG1KDD HK3AB -14
050645  -7 1952  DG1KDD K7KX +01 (x2)
051600 -14  931  KW6X DG1KDD JO31 (x10)
054145 -17 2400  DG1KDD OK2CNI -19
10m
UTC    dB Audio  Message
154945  -6 2654  T77RN DG1KDD JO31 (x4)
155445  +1 2653  PY2WRA DG1KDD JO31 (x6)
145000  -9 2293  HB10GBT DG1KDD JO31
145130 -12 2293  OK1ZJK DG1KDD JO31 (x2)
145400  -9 2294  ZZ5X DG1KDD JO31 (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.

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