DF4BJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO42

Receiver-side FT8 activity involving DF4BJ, decoded by SO8OO in southeastern Poland. 95 related FT8 messages, 47 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 5 UTC dates. Heard between 2026-07-10 and 2026-08-23.

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

Related messages

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 20m 60m 40m 10m

First seen: 2026-07-10
Last seen: 2026-08-23 18:47 UTC

Frequent QSO partners observed at SO8OO

Stations DF4BJ worked most often, as logged from our receiver:

DL2AOM · Fed. Rep. of Germany DJ1NE · Fed. Rep. of Germany DL3BH · Fed. Rep. of Germany F4ESO · France F5NAA · France OZ1LGJ · Denmark IK5FKF · Italy F5RRS · France DH1VY · Fed. Rep. of Germany PE1MHY · Netherlands LB6NK · Norway PA3DOL · Netherlands

Activity Heatmap

Locator transmitted by DF4BJ

Approximate centre of JO42, decoded 2026-08-23 20:46 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	DF4BJ S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 20:46	60m	- / +3	OZ1LGJ	-7 / -	3	✓ Closing fragment
08-23 20:40	60m	- / -17	DL3RDO	-8 / -	3	✓ Closing fragment
08-23 20:38	60m	- / -4	F4ESO	-6 / -	2	✓ Closing fragment
08-23 20:01	60m	-20 / -1	F5NAA	0 / -	3	✓ Full exchange observed
08-23 19:57	60m	-14 / -	LZ3CB	- / -14	2	Partial capture
08-23 12:57	10m	- / -18	LZ3CB	-12 / -	4	Partial capture
08-12 04:44	60m	-19 / -	DJ1NE	-9 / -	3	✓ Closing observed
08-12 04:26	60m	- / -1	PA3DOL	-8 / -	4	✓ Closing fragment
08-10 09:59	20m	- / -	IU2THY	-1 / -	2	Partial capture
08-09 20:25	60m	-12 / -2	PE1MHY	-4 / +6	4	✓ Full exchange observed
08-09 20:19	60m	-15 / 0	DH1VY	-8 / +10	5	✓ Full exchange observed
08-09 20:18	60m	-14 / +4	IK5FKF	-5 / -10	4	✓ Full exchange observed
08-09 20:09	60m	-23 / -9	LB6NK	-15 / -	4	✓ Closing observed
08-09 20:07	60m	-15 / -10	DL2AOM	-10 / -4	4	✓ Full exchange observed
08-09 04:37	80m	- / -11	OK1HEH	+4 / -	3	Partial capture
08-09 04:33	80m	- / -9	DO5PY	-11 / -	4	Partial capture
07-10 08:03	20m	- / -15	F5RRS	-18 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
195730 -17 1164  LZ3CB DF4BJ -14
200145  -1  367  DF4BJ F5NAA -01
200200 -20 1203  F5NAA DF4BJ R+17
200215  +0  367  DF4BJ F5NAA RR73
203515 -13 1069  DF4BJ F4JVT JN37
203815  -6 1724  DF4BJ F4ESO R-04 (x2)
204015 -10 1587  DF4BJ DL3RDO JN68 (x3)
204515 -14 2035  DF4BJ DL3BH 73
204600 -20 1068  CQ DF4BJ JO42
204645  -4 1069  DF4BJ OZ1LGJ JO46 (x3)

40m

UTC    dB Audio  Message
203115  -5 2480  DF4BJ DK1GP R-06

20m

UTC    dB Audio  Message
080315 -24 1888  DF4BJ F5RRS R-15 (x2)
102945  -4 2429  DF4BJ F1PBZ -13
095915  +0  564  DF4BJ IU2THY JN45 (x2)
201130 -18 1130  CQ DF4BJ JO42 (x2)

10m

UTC    dB Audio  Message
125715 -13  729  DF4BJ LZ3CB KN32 (x4)

80m

UTC    dB Audio  Message
043345  -9 2348  DF4BJ DO5PY JN49 (x4)
043745  +4 1827  DF4BJ OK1HEH -11 (x3)

Decoder S/N history by band

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