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. 2,106 related FT8 messages, 926 CQ messages, observed on 80m, 40m, 20m, 10m, across 73 UTC dates. Heard between 2026-05-27 and 2026-08-25.

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

2,106

Related messages

926

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-27
Last seen: 2026-08-25 05:22 UTC

Frequent QSO partners observed at SO8OO

Stations DK4NB worked most often, as logged from our receiver:

IK4LZH · Italy ×3 R8AGW · Asiatic Russia ×2 F1PBZ · France ×2 R4ML · European Russia ×2 ON4JMV · Belgium ×2 F6IQA · France ×2 UA1AOF · European Russia ×2 JY5IB · Jordan ×2 RN6MA · European Russia ×2 RV9WJP · Asiatic Russia ×2 OE5NVL · Austria I1FLC · Italy

Activity Heatmap

Locator transmitted by DK4NB

Approximate centre of JO43, decoded 2026-08-25 07:16 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 UTC	Band	DK4NB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-25 07:21	20m	-24 / -15	UR1CCT	-6 / +3	5	✓ Full exchange observed
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

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
091415 -12 2082  CQ DK4NB JO43
091430 -14 2650  DK4NB EI7IN IO63
091745 -21 2083  CQ DK4NB JO43 (x8)
072100 -14  478  DK4NB UR1CCT KN69
072115 -24 2082  UR1CCT DK4NB +03
072130 -10  478  DK4NB UR1CCT R-15 (x3)

40m

UTC    dB Audio  Message
165645  -8  683  DK4NB DL2HRT JO51 (x9)
170715 -24 2042  DK4NB DL5ZG R-08
172415 -17 2042  DK4NB DH5NC R-25 (x3)
085715 -18 1716  DK4NB SP2WZ JO93
204430 -17  962  DK4NB SP7MKG -14

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.