DK3BK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO53

Receiver-side FT8 activity involving DK3BK, decoded by SO8OO in southeastern Poland. 645 related FT8 messages, 410 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-16 and 2026-08-09.

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

645

Related messages

410

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m 160m

First seen: 2026-05-16
Last seen: 2026-08-09 12:46 UTC

Frequent QSO partners observed at SO8OO

Stations DK3BK worked most often, as logged from our receiver:

IQ4JO · Italy ×3 BI6PWC · China ×2 TN8GD · Republic of the Congo ×2 S55A · Slovenia ×2 G8IXM · England ×2 DL2VN · Fed. Rep. of Germany ×2 PE9JAN · Netherlands ×2 IK4LZH · Italy ×2 XU7O · Cambodia ×2 RA3XFR · European Russia M7CLI · England EC3A · Spain

Activity Heatmap

Locator transmitted by DK3BK

Approximate centre of JO53, decoded 2026-08-21 20:34 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	DK3BK S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 20:34	40m	+3 / -	XU7O	- / -20	4	✓ Closing fragment
08-20 14:38	20m	+1 / -	XU7O	- / -6	3	✓ Closing fragment
08-09 14:20	20m	-13 / -17	DL7HS	-23 / -13	6	✓ Full exchange observed
08-09 14:13	20m	-10 / -	OX3LX	- / -13	2	✓ Closing fragment
08-09 14:02	10m	- / -19	F1PBZ	-8 / -	2	Partial capture
08-09 13:58	10m	- / -1	R6BH	-16 / -	4	✓ Closing fragment
08-09 12:48	20m	-8 / -	UA4A	- / -6	2	✓ Closing fragment
08-09 12:37	20m	-11 / -	UB8CSU	- / +2	2	✓ Closing fragment
08-09 12:32	20m	-21 / -11	EW7AS	-14 / -13	2	Partial capture
08-09 12:27	20m	-13 / -	UA6EU	- / -12	2	✓ Closing fragment
08-09 12:24	20m	-12 / -	JH2NGG	- / -18	2	✓ Closing fragment
08-09 12:21	20m	-21 / -	R3KCW	-14 / -	2	✓ Closing observed
08-09 12:18	20m	-9 / -	ON3JDK	- / -17	3	Partial capture
08-09 12:16	20m	-12 / -	R9FGJ	- / -18	2	✓ Closing fragment
08-09 12:13	20m	-6 / -	RW3DDZ	- / -5	2	✓ Closing fragment
08-09 12:11	20m	-4 / -	R9UCI	- / -16	2	Partial capture
08-09 12:06	20m	-1 / -	R1BOH	- / -5	3	✓ Closing fragment
08-09 12:03	20m	0 / -	UA9OTW	- / -14	2	✓ Closing fragment
08-09 11:58	20m	-5 / -	M0EGG	- / -16	4	Partial capture
08-09 11:57	20m	+1 / -	RW3SB	- / -17	2	✓ Closing fragment
08-09 11:54	20m	-2 / -	RU3QR	- / -3	2	✓ Closing fragment
08-09 11:51	20m	-6 / -	UA9LCY	- / -13	2	✓ Closing fragment
08-09 11:48	20m	-2 / +1	E70SZ	-11 / -12	5	✓ Full exchange observed
08-09 11:44	20m	- / -	DH5BO	-15 / -	2	Partial capture
08-09 11:41	20m	-2 / -	LZ1ZF	- / -14	2	✓ Closing fragment
08-09 11:38	20m	-6 / -	JA8NRS	- / -15	2	✓ Closing fragment
08-09 11:36	20m	-2 / -	SP9OYZ	- / -8	2	✓ Closing fragment
08-09 11:34	20m	-1 / -	JA2ORW	- / -14	2	✓ Closing fragment
08-09 11:31	20m	+2 / -	UB4HVI	- / -13	2	✓ Closing fragment
08-09 11:28	20m	-12 / -	VU2ORO	- / -17	2	✓ Closing fragment
08-09 11:27	20m	-6 / +5	RV3YN	-16 / 0	4	✓ Full exchange observed
08-09 11:24	20m	+2 / -2	RA3XFR	-20 / -1	3	✓ Full exchange observed
08-09 11:22	20m	-2 / -	R8LCA	- / -16	2	✓ Closing fragment
08-09 11:21	20m	-7 / -7	IU3GPT	-18 / -6	5	✓ Full exchange observed
08-09 11:16	20m	-11 / -	TA3F	- / -8	4	Partial capture
08-09 11:12	20m	-10 / -	HA5KN	- / -9	2	✓ Closing fragment
08-09 11:11	20m	-6 / -	S55A	- / -13	3	✓ Closing fragment
08-09 11:09	20m	-10 / -11	UB6HVA	-10 / -3	4	Partial capture
08-09 11:06	20m	-15 / -	JR7NMH	- / -11	3	✓ Closing fragment
08-09 11:03	20m	-10 / -	JA8IER	- / -11	3	✓ Closing fragment
08-09 11:02	20m	-20 / -	JA5QJD	- / -13	2	✓ Closing fragment
08-09 11:01	20m	-10 / -	M9NTS	- / -10	3	✓ Closing fragment
08-09 10:59	20m	-10 / -	TA2EGK	- / -16	2	✓ Closing fragment
08-09 10:58	20m	-4 / -	JJ2IJU	- / -13	2	✓ Closing fragment
08-09 10:57	20m	-12 / +8	UT4QM	-24 / 0	3	✓ Full exchange observed
08-09 10:55	20m	-12 / -5	G0RVY	-18 / -7	4	✓ Full exchange observed
08-09 10:53	20m	-9 / -	R3WCH	- / -13	3	✓ Closing fragment
08-09 10:50	20m	- / -6	IK4LZH	+4 / -	2	✓ Closing fragment
08-09 10:48	20m	-10 / -	LZ1BK	- / -7	2	✓ Closing fragment
08-09 10:47	20m	-8 / -	IQ4JO	- / +8	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
222800  +6 2418  5A1AL DK3BK JO53 (x2)
222900  +8 2417  VK6BAD DK3BK JO53 (x4)
223100  +7 2417  5A1AL DK3BK JO53 (x5)
203415  +5 1117  XU7O DK3BK JO53 (x4)

20m

UTC    dB Audio  Message
142130 -24 2047  DK3BK DL7HS R-17
142145 -16 2046  DL7HS DK3BK RR73
142200 -24 2046  DK3BK DL7HS R-17
142215 -17 2046  CQ DK3BK JO53
142230 -22 2046  DK3BK DL7HS R-17
142245 -14 2046  CQ DK3BK JO53
142345 -20 2046  RD3FY DK3BK -14
142745 -14 2046  CQ DK3BK JO53 (x4)
144600  -5 2047  DK3BK R3KF RR73
143815  +3  691  XU7O DK3BK JO53 (x3)

10m

UTC    dB Audio  Message
135800 -16 1722  DK3BK R6BH KN84 (x4)
140200  -6 2635  DK3BK F1PBZ -19 (x2)

60m

UTC    dB Audio  Message
215445  -2 1206  DK3BK IK6BSN +04
215530  -6  850  DK3BK MI0TMW +04
215530  -2 1447  IK6BSN DK3BK 73
215545 -10  253  DK3BK HB9EKJ JN47
215600  -4  850  DK3BK MI0TMW +04
215615 -10  252  DK3BK HB9EKJ JN47
215630  -6  850  DK3BK MI0TMW +04
215630  -4 1447  HB9EKJ DK3BK +07
215645 -13  253  DK3BK HB9EKJ R-03
215700  -3 1447  HB9EKJ DK3BK RR73
215715 -11  252  DK3BK HB9EKJ 73
224400  +1 1890  VO1NC DK3BK JO53 (x4)

80m

UTC    dB Audio  Message
225030  +9 1710  YE9BM DK3BK JO53 (x9)
225530 +15 1710  YD6HMM DK3BK -20 (x6)

160m

UTC    dB Audio  Message
233345 +17 1943  9A3AUH DK3BK RR73
233400 -16 2215  DK3BK 9A3AUH 73
233415 +13 1943  OJ0Z DK3BK JO53 (x3)
204730 +11 1018  VK3EW DK3BK JO53 (x4)
225330  -5 1725  UA3ECJ DK3BK JO53
225345  -3 1725  DK3BK UA3ECJ -01
225400  -4 1725  UA3ECJ DK3BK R-05
225415  -1 1725  DK3BK UA3ECJ -01
225430  -5 1725  UA3ECJ DK3BK R-05
225445  +0 1725  DK3BK UA3ECJ RR73

Decoder S/N history by band

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