DK4NB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO43

Receiver-side FT8 activity involving DK4NB, decoded by SO8OO in southeastern Poland. 2,174 related FT8 messages, 930 CQ messages, observed on 80m, 40m, 20m, 10m, across 73 UTC dates. Heard between 2026-05-26 and 2026-08-24.

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

2,174
Related messages
930
CQ messages
73
UTC dates heard
-10 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-24 07:22 UTC

Activity Heatmap

Locator transmitted by DK4NB

Approximate centre of JO43, decoded 2026-08-24 09:22 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 UTCBandDK4NB S/NCounterpartCounterpart S/NMsgsCapture
08-24 08:17 20m -15 / - SP5ZTM - / - 2 Partial capture
08-24 08:13 20m -13 / - SP5ZTM - / - 2 Partial capture
08-24 08:00 20m -12 / -7 M0LTA -6 / +7 5 ✓ Full exchange observed
08-24 07:51 20m -11 / -9 CT2HEX -10 / 0 4 Partial capture
08-24 07:44 20m -14 / - CT2HEX - / -11 3 Partial capture
08-22 06:59 20m - / -5 OE9RRI -9 / - 3 ✓ Closing fragment
08-21 09:54 20m - / -5 UT7UJ -7 / - 2 ✓ Closing fragment
08-21 08:44 20m -14 / - W4PSK - / - 2 Partial capture
08-21 07:43 20m - / -15 EB3DYW -20 / - 2 ✓ Closing fragment
08-21 07:22 20m -15 / -10 HA1BF +6 / - 3 ✓ Closing observed
08-20 11:32 20m - / - EA5XA -3 / - 7 Partial capture
08-20 11:23 20m -13 / - M7GOA - / -21 3 Partial capture
08-20 10:06 20m - / -16 RX7T +3 / - 2 Partial capture
08-20 09:47 20m - / - EA5XA -11 / - 4 Partial capture
08-20 09:43 20m - / -15 HB9CAL +2 / - 3 ✓ Closing fragment
08-20 09:37 20m - / -12 OE7MAH -19 / - 2 Partial capture
08-18 11:52 20m - / +1 ON4AOI -11 / - 2 ✓ Closing fragment
08-16 17:24 40m - / -25 DH5NC -19 / - 3 ✓ Closing fragment
08-11 16:53 40m - / -11 DL2HRT -7 / - 14 ✓ Closing fragment
08-10 13:22 20m - / - DL5MKR -24 / - 2 ✓ Closing fragment
08-07 14:48 20m - / -17 F5MYH -10 / - 2 Partial capture
08-07 14:32 20m - / -13 YL2CI -17 / - 3 ✓ Closing fragment
08-07 09:01 20m - / - IZ2FER -10 / - 4 Partial capture
08-07 08:57 20m - / - IZ2FER -5 / - 3 Partial capture
08-07 08:46 20m - / - F6FLU +6 / - 6 ✓ Closing fragment
08-06 12:11 20m - / -20 DF2JK -22 / - 2 Partial capture
08-06 11:56 20m - / +1 PD3LKN -17 / - 7 ✓ Closing fragment
08-06 11:44 20m - / -4 PD0PWH -20 / - 2 Partial capture
08-06 10:40 20m - / - DK2SP -13 / - 6 Partial capture
08-06 09:42 20m - / - OK2CNI +4 / - 4 Partial capture
08-05 09:12 20m - / - GE0KUC -15 / - 2 Partial capture
08-05 09:11 20m - / -16 R2EA -16 / - 2 Partial capture
08-02 20:22 40m - / - SA3LEN -6 / - 2 Partial capture
08-02 20:01 20m - / -24 I1FLC -12 / - 2 ✓ Closing fragment
08-02 09:31 20m -17 / - OE5FIL - / -19 3 Partial capture
08-01 20:27 20m - / -10 M0GBP -12 / - 3 Partial capture
08-01 09:20 20m - / -9 EA1HCJ -11 / - 2 ✓ Closing fragment
08-01 08:43 20m - / - OE3EHS -4 / - 2 Partial capture
08-01 08:27 20m - / - OE3EHS -7 / - 2 Partial capture
08-01 08:16 20m - / - G4SRT -6 / - 3 ✓ Closing fragment
07-31 15:31 20m - / -11 G5BOT -20 / - 2 ✓ Closing fragment
07-31 14:52 20m - / - F5SJC -12 / - 2 Partial capture
07-31 14:38 20m - / -1 2E0EWM -16 / - 2 Partial capture
07-31 10:24 20m - / -12 IK4RVY -7 / - 2 Partial capture
07-31 09:40 20m - / 0 F1PBZ +1 / - 5 Partial capture
07-30 15:02 20m - / - PE9JAN -2 / - 4 Partial capture
07-30 10:03 20m - / -18 F1PBZ -15 / - 3 Partial capture
07-30 09:59 20m - / -22 LZ1ZF -15 / - 3 ✓ Closing fragment
07-30 09:54 20m - / +2 M7INZ -10 / - 2 ✓ Closing fragment
07-30 09:26 20m - / - DL1R -4 / - 8 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
085715 -16 2082  CQ DK4NB JO43 (x5)
090515 -16 2082  EA3FZN DK4NB -08
090745 -22 2082  CQ DK4NB JO43                         a1 (x6)
091430 -14 2650  DK4NB EI7IN IO63
091745 -21 2083  CQ DK4NB JO43 (x2)
40m
UTC    dB Audio  Message
165615  -4  683  DK4NB DL2HRT JO51 (x10)
170715 -24 2042  DK4NB DL5ZG R-08
172415 -17 2042  DK4NB DH5NC R-25 (x3)
085715 -18 1716  DK4NB SP2WZ JO93
10m
UTC    dB Audio  Message
101300 -18 1047  DK4NB CS8ABF HM77
202545 -20 2102  PY8ZB DK4NB JO43
115345 -21 2095  CQ DK4NB JO43 (x4)
115945 -21 2096  OK1ISO DK4NB JO43 (x4)
110730  -7 2646  DK4NB F1PBZ -03 (x3)
115700 -12  270  DK4NB F5CUN JN26
090445 -17 2389  DK4NB F4BND JN25
80m
UTC    dB Audio  Message
181900  +0 1014  DK4NB SQ4OLI JO93

Decoder S/N history by band

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