DA1JB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO54

Receiver-side FT8 activity involving DA1JB, decoded by SO8OO in southeastern Poland. 249 related FT8 messages, 61 CQ messages, observed on 80m, 40m, 20m, across 35 UTC dates. Heard between 2026-07-04 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

249

Related messages

CQ messages

UTC dates heard

-11 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-07-04
Last seen: 2026-08-23 09:50 UTC

Frequent QSO partners observed at SO8OO

Stations DA1JB worked most often, as logged from our receiver:

F1PBZ · France ×3 DL1AG · Fed. Rep. of Germany ×2 F4HSB · France ×2 RL2F · Kaliningrad ×2 CT1BFP · Portugal 2E0BTX · England SP9MOC · Poland F4LNM · France ON1BH · Belgium R3BDQ · European Russia TN8GD · Republic of the Congo DH1DH · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by DA1JB

Approximate centre of JO54, decoded 2026-08-23 11:51 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	DA1JB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 11:50	20m	-7 / -	VO2NS	- / -	2	Partial capture
08-23 11:49	20m	- / -	F1IQH	-1 / -	2	✓ Closing fragment
08-23 10:18	20m	-6 / -	DH1DH	- / -6	2	✓ Closing fragment
08-22 14:05	20m	-14 / -	OE3EHS	- / -	2	Partial capture
08-22 13:58	20m	-12 / -	XU7O	- / -	4	Partial capture
08-09 10:06	20m	-8 / -	F4BYA/P	- / -9	2	✓ Closing fragment
08-09 09:21	20m	-14 / -	FK8HA	- / -	4	Partial capture
08-09 08:42	20m	-16 / -	F4BYA/P	- / -10	2	Partial capture
08-09 08:36	20m	-16 / -	CN8NS	- / -14	2	Partial capture
08-09 06:47	20m	-14 / -10	F4LNM	-16 / -	3	✓ Closing observed
08-07 16:13	20m	-22 / -	YB4ECU	- / -	2	Partial capture
08-07 16:03	20m	-22 / -	EA1FUB	- / -	2	Partial capture
08-06 21:48	40m	- / -	EA3AAY	-22 / -	2	Partial capture
08-06 21:48	40m	- / -14	DM5JBN	+7 / -	3	✓ Closing fragment
08-06 21:45	40m	- / -15	YO4NF	-12 / -	2	✓ Closing fragment
08-06 18:12	20m	- / -	EA3GAN	-16 / -	2	Partial capture
08-03 22:12	40m	- / -	UA4FKT	-10 / -	2	Partial capture
08-03 22:11	40m	-19 / -3	DL3MIB	-2 / -	4	✓ Full exchange observed
08-01 09:36	20m	-20 / -	TA1EDG	- / -14	2	✓ Closing fragment
07-31 23:41	40m	-16 / -2	DK4ET	-12 / -	4	✓ Closing observed
07-31 23:41	40m	- / -15	UA9CR	-9 / -	2	✓ Closing fragment
07-28 20:17	20m	- / -12	UX0ZAB	-12 / -	2	Partial capture
07-28 20:16	20m	- / -	F4BJN	-7 / -	6	Partial capture
07-28 17:43	20m	-16 / -16	TN8GD	-10 / -4	5	✓ Full exchange observed
07-28 17:43	20m	- / -	UA3FO	-13 / -	6	Partial capture
07-28 17:35	20m	- / -22	RY7G	-4 / -	2	✓ Closing fragment
07-28 14:46	20m	- / -11	CT1BFP	-20 / -	2	✓ Closing fragment
07-27 13:28	20m	-24 / -	OE9GWV	-6 / -	5	✓ Closing observed
07-26 19:04	20m	- / +3	4O4DB	-16 / -	2	Partial capture
07-25 15:11	20m	-17 / -	VK8NSB	- / -	3	Partial capture
07-25 12:21	20m	- / +3	F4HSB	-22 / -	4	✓ Closing fragment
07-24 16:49	20m	-14 / -4	RL2F	-18 / -	4	✓ Closing observed
07-24 16:48	20m	-14 / -	FK8HA	- / -	2	Partial capture
07-24 16:46	20m	-16 / -	Z62NS	- / -	3	Partial capture
07-24 16:43	20m	-14 / -10	UA6YW	-6 / +3	5	✓ Full exchange observed
07-24 16:40	20m	-12 / -	Z62NS	- / -	3	Partial capture
07-24 16:29	20m	-9 / -	9J2FI	- / -2	4	Partial capture
07-23 09:10	20m	-10 / -	OT4R	- / +8	2	✓ Closing fragment
07-23 09:07	20m	-9 / -	PD1WS	- / -4	3	✓ Closing fragment
07-22 08:05	20m	-16 / -	SP9MOC	- / -3	2	✓ Closing fragment
07-22 08:02	20m	-15 / -	UA6HGM	- / +3	2	✓ Closing fragment
07-21 17:38	20m	-16 / -	TJ1GD/P	- / -	3	Partial capture
07-21 16:05	20m	-14 / -	OY1R	- / -	9	Partial capture
07-21 14:51	20m	-19 / -	OY1R	- / -	5	Partial capture
07-21 14:40	20m	-16 / -11	RC5F	-18 / -	2	✓ Closing observed
07-21 14:31	20m	-16 / -	OY1R	- / -	4	Partial capture
07-21 10:51	20m	-16 / -3	OE6TNO	-7 / -	4	✓ Closing observed
07-21 08:47	20m	-10 / -	VP2MAA	- / -10	2	Partial capture
07-21 08:41	20m	-15 / -	VP2MAA	- / -10	5	Partial capture
07-21 08:36	20m	-13 / -	UR5VPR	- / -24	5	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
140045  -5 1185  XU7O DA1JB JO54
140215 -17 1185  CQ DA1JB JO54 (x3)
140545 -16 1186  OE3EHS DA1JB +21 (x2)
141030 -12 1185  VU2ORO DA1JB JO54
101730  -9 1188  CQ DA1JB JO54
101800  -6 1188  DH1DH DA1JB -06 (x2)
114845  -9  974  CQ DA1JB JO54                         a1
114900  -1 1212  DA1JB F1IQH JN27 (x2)
115045  -8  975  VO2NS DA1JB JO54 (x2)

40m

UTC    dB Audio  Message
221145 -19 1201  DL3MIB DA1JB +24
221200  -1 1028  DA1JB DL3MIB R-03
221230 -10 1202  DA1JB UA4FKT LO23
221230  -2 1028  DA1JB DL3MIB 73
221330  -9 1202  DA1JB UA4FKT LO23
221445 -21 1202  OA4ENG DA1JB JO54
214530 -13 1335  DA1JB YO4NF -15 (x2)
214730 -20 1327  DA1JB OZ5AGJ R+03
214800  +4  705  DA1JB DM5JBN JO60
214830 -22 1638  DA1JB EA3AAY JN11
214830 +11  705  DA1JB DM5JBN R-14 (x2)
214930 -21 1638  DA1JB EA3AAY JN11
215130 -23 1337  HB9TOC DA1JB JO54

80m

UTC    dB Audio  Message
225415 -19 1196  DL5DQZ DA1JB +15
225430  -1 1278  DA1JB DL5DQZ R-04
225445 -10 1197  DL5DQZ DA1JB RR73
225600  -1 1971  DA1JB DJ3ZF R-08 (x3)
221015 -21 1315  4O7CC DA1JB JO54 (x3)
221145 -18 1315  CQ DA1JB JO54
221200 +11 2002  DA1JB DO9BAU JO62
221215 -13 1315  DO9BAU DA1JB +20
221230  +6 2002  DA1JB DO9BAU R-05
221245 -15 1315  DO9BAU DA1JB RR73
221300  +4 2002  DA1JB DO9BAU 73

Decoder S/N history by band

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