DK4YA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO40

Receiver-side FT8 activity involving DK4YA, decoded by SO8OO in southeastern Poland. 118 related FT8 messages, 28 CQ messages, observed on 80m, 20m, across 4 UTC dates. Heard between 2026-08-03 and 2026-08-13.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

118
Related messages
28
CQ messages
4
UTC dates heard
-3 dB
Mean decoder S/N

Bands

80m 20m
First seen: 2026-08-03
Last seen: 2026-08-13 16:19 UTC

Frequent QSO partners observed at SO8OO

Stations DK4YA worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by DK4YA

Approximate centre of JO40, decoded 2026-08-13 18:15 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandDK4YA S/NCounterpartCounterpart S/NMsgsCapture
08-13 18:18 20m - / - DK4RH -18 / - 3 Partial capture
08-13 18:16 20m -20 / - IZ0ZIP - / -12 2 ✓ Closing fragment
08-13 18:13 20m -23 / - LB1PI - / -17 2 ✓ Closing fragment
08-09 23:30 80m - / -28 IV3FSG +13 / - 2 Partial capture
08-09 23:12 80m - / - IV3FSG +14 / - 2 ✓ Closing fragment
08-09 17:50 80m - / - DG9NAY -2 / - 2 Partial capture
08-09 17:49 80m - / - SP9UPH +14 / - 3 Partial capture
08-09 17:47 80m +7 / - IV3FSG +4 / 0 5 ✓ Full exchange observed
08-09 17:44 80m +10 / - OZ0A -4 / -3 4 ✓ Full exchange observed
08-09 17:38 80m +14 / -19 R3HH +2 / -13 5 ✓ Full exchange observed
08-09 17:37 80m +13 / - DO1JOG - / -8 2 ✓ Closing fragment
08-09 17:31 80m - / - UA4FKT -2 / - 3 Partial capture
08-09 17:30 80m - / - DL7ACN -11 / - 6 Partial capture
08-09 17:26 80m +2 / -2 SP9UPH +12 / +4 13 Partial capture
08-09 17:26 80m +11 / +3 DO9BAU +3 / 0 21 ✓ Full exchange observed
08-09 13:36 20m -24 / - KA9FOX - / - 2 Partial capture
08-09 13:03 20m - / - DL6EL -5 / - 2 ✓ Closing fragment
08-09 13:01 20m - / +3 IW0FGX -8 / - 2 ✓ Closing fragment
08-09 12:51 20m -23 / - OH1LA - / -4 2 Partial capture
08-09 12:42 20m - / -16 IU5HIU -8 / - 3 ✓ Closing fragment
08-09 12:04 20m - / -18 R3KCW -12 / - 2 ✓ Closing fragment
08-09 11:27 20m - / -5 9A4ZM -6 / - 5 ✓ Closing fragment
08-04 16:46 20m - / -8 YO4NF -14 / - 2 ✓ Closing fragment
08-04 16:27 20m -14 / - EA3HMM +1 / -3 2 Partial capture
08-03 19:15 20m - / -15 YO4NF -13 / - 2 Partial capture
08-03 19:10 20m - / -17 YO4NF -12 / - 3 Partial capture
08-03 19:03 20m - / -8 YO4NF -14 / - 2 Partial capture
08-03 18:58 20m - / -13 YO4NF -13 / - 3 Partial capture
08-03 18:52 20m - / -18 YO4NF -8 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
134915 -24 1907  CQ DK4YA JO40
134945 -24 1907  F4NKF DK4YA -16
180515 -21 2024  CQ DK4YA JO40
180645 -23 2023  YO5PHL DK4YA RR73
181245 -24 1748  CQ DK4YA JO40                         a1 (x2)
181345 -22 1749  LB1PI DK4YA -17 (x2)
181445 -21 1748  OZ5THY DK4YA R-07
181545 -23 1748  CQ DK4YA JO40
181615 -21 1749  IZ0ZIP DK4YA R-12 (x2)
181800 -19 1748  DK4YA DK4RH JO31 (x3)
80m 
UTC    dB Audio  Message
174745  +5 2493  IV3FSG DK4YA RR73
174800  +3 1440  DK4YA IV3FSG 73
174815 +10 2493  CQ DK4YA JO40 (x3)
174930 +12 1985  DK4YA SP9UPH JO90
174930 -24 2494  DK4YA DJ1PQ JN49
175000 +19 1985  DK4YA SP9UPH JO90 (x2)
175030  -5 2493  DK4YA DG9NAY JN58 (x2)
231230 +13  790  DK4YA IV3FSG RR73 (x4)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.