DL9OBU — 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 DL9OBU, decoded by SO8OO in southeastern Poland. 252 related FT8 messages, 111 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 12 UTC dates. Heard between 2026-05-07 and 2026-08-01.

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

252

Related messages

111

CQ messages

UTC dates heard

+0 dB

Mean decoder S/N

Bands

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

First seen: 2026-05-07
Last seen: 2026-08-01 19:53 UTC

Frequent QSO partners observed at SO8OO

Stations DL9OBU worked most often, as logged from our receiver:

OO0O · Belgium ×2 SP5TWA · Poland ×2 DL4KSD · Fed. Rep. of Germany VK5PO/P · Australia I8OHQ · Italy JH5AVM · Japan SP4TZ · Poland DG0TM · Fed. Rep. of Germany LZ1ST · Bulgaria DL1RPR · Fed. Rep. of Germany PA3ARI · Netherlands BI8SCC · China

Activity Heatmap

Locator transmitted by DL9OBU

Approximate centre of JO42, decoded 2026-08-01 21:56 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	DL9OBU S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-01 21:55	60m	-8 / -	OO0O	- / -11	5	✓ Closing fragment
08-01 21:51	40m	-9 / -	OO0O	- / +1	2	✓ Closing fragment
08-01 21:51	40m	-10 / -3	DH5BM	-11 / -1	5	✓ Full exchange observed
08-01 21:49	40m	-10 / -	PP5GER	- / -	2	Partial capture
08-01 21:48	40m	-10 / -	LU8VB	- / -	2	Partial capture
07-29 21:05	60m	-4 / -	DM6DD	- / -	2	Partial capture
07-29 21:02	60m	-12 / +4	M5RJC	-8 / +4	7	✓ Full exchange observed
07-29 21:00	60m	-13 / -2	DD7EE	-14 / 0	5	✓ Full exchange observed
07-29 20:57	60m	-13 / -7	F5RMK	-13 / -	6	✓ Full exchange observed
07-29 20:48	40m	-5 / -	VK2WN	- / -	5	Partial capture
07-29 20:46	40m	-13 / -	JA5MHD	- / -	3	Partial capture
07-29 20:44	40m	-14 / -	VK2WN	- / -	3	Partial capture
07-29 20:41	40m	-14 / -	VK4DAD	- / -	2	Partial capture
07-28 21:25	60m	-14 / -	DL2VN	- / -11	4	✓ Closing fragment
07-28 21:22	60m	-12 / +2	OM1AGE	-5 / +3	6	✓ Full exchange observed
07-28 21:22	60m	-14 / -16	9A2EY	-2 / +4	6	✓ Full exchange observed
07-28 21:21	60m	-13 / -	PA5GMY	- / -16	2	✓ Closing fragment
07-28 21:19	60m	-10 / -7	SM0EJR	+6 / -	4	✓ Closing observed
07-28 21:16	40m	-11 / -	EA5DJ	- / -	3	Partial capture
06-29 09:37	20m	-11 / -	TM2WWA	-18 / -20	5	✓ Closing observed
06-22 19:20	20m	-2 / -	BI8SCC	- / -6	3	✓ Closing fragment
06-22 17:29	10m	- / +3	IU4PPL	-17 / -	2	Partial capture
06-22 17:18	20m	-7 / -	JH5AVM	- / -13	4	✓ Closing fragment
06-22 17:16	20m	-9 / -	VK5PO/P	- / -25	3	✓ Closing fragment
06-22 17:12	20m	-10 / -	EA2EWL	- / -1	5	✓ Closing fragment
06-04 02:35	160m	-2 / -	DD0AM	-4 / -7	4	✓ Closing observed
06-04 02:31	160m	-6 / -15	LZ1ST	-6 / -18	7	✓ Full exchange observed
06-04 02:27	160m	+2 / -	3G0Z	- / -	3	Partial capture
06-04 02:14	160m	+4 / -23	I8OHQ	-8 / -8	4	✓ Full exchange observed
06-03 20:49	160m	+4 / -	<...>	- / -17	6	Partial capture
06-03 20:43	160m	+5 / -	UA1NAN	- / -16	7	✓ Closing fragment
06-03 20:42	160m	+1 / -3	DL4KSD	+6 / -7	4	✓ Full exchange observed
06-03 20:39	160m	+12 / -	DL4KSD	- / 0	2	✓ Closing fragment
06-03 20:38	160m	+6 / -	G8GON	- / -12	2	✓ Closing fragment
06-03 20:37	160m	+4 / -1	PA3ARI	-6 / -	4	✓ Closing observed
06-03 20:33	160m	+6 / -5	DG0TM	0 / +6	6	✓ Full exchange observed
06-03 20:31	160m	+10 / -7	SP4TZ	-8 / -15	4	✓ Full exchange observed
06-03 20:28	160m	+6 / -	DL9DBZ	-11 / -8	6	✓ Full exchange observed
06-03 20:28	160m	+9 / -9	SP5TWA	-4 / -6	6	✓ Full exchange observed
06-03 20:27	160m	+11 / +8	DL4BBY	-1 / -2	5	✓ Full exchange observed
06-03 20:25	160m	0 / -9	DL1RPR	-2 / -7	5	✓ Full exchange observed
06-03 20:24	160m	+1 / -	DH4NBB	- / -21	2	✓ Closing fragment
06-03 20:23	160m	+4 / -	OK2BPU	-2 / -	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

60m

UTC    dB Audio  Message
210145 -11 1418  DM6DD DL9OBU JO42
210230 -12 1418  M5RJC DL9OBU JO42 (x3)
210345  -7  829  DL9OBU M5RJC +04
210400 -14 1418  M5RJC DL9OBU R+04
210415  -9  829  DL9OBU M5RJC RR73
210430  -4 1418  M5RJC DL9OBU 73
210515  -4 1418  DM6DD DL9OBU JO42 (x2)
215515  -4 1440  OO0O DL9OBU JO42 (x5)

40m

UTC    dB Audio  Message
204930  -3 2508  VK2WN DL9OBU JO42 (x2)
214815  -9 1445  LU8VB DL9OBU JO42 (x2)
214915 -12 1445  PP5GER DL9OBU JO42 (x2)
215045  -8 1445  CQ DL9OBU JO42
215100 -10 1444  DL9OBU DH5BM JO41
215115  -9 1445  OO0O DL9OBU +01 (x2)
215215 -10 1445  DH5BM DL9OBU -01
215230 -11 1445  DL9OBU DH5BM R-03
215245 -11 1445  DH5BM DL9OBU RR73
215300 -11 1445  DL9OBU DH5BM 73
215315 -15 1445  SP7TF DL9OBU R-08

20m

UTC    dB Audio  Message
171830  -6 1740  JH5AVM DL9OBU JO42 (x3)
192000  -1 2427  BI8SCC DL9OBU JO42 (x3)
081815 -24 1902  YO6OGW DL9OBU JO42
102045 -15 2126  <...> DL9OBU R-03
102415 -18 2126  WB2BIN DL9OBU JO42
102445 -19 2126  GB1500M DL9OBU JO42
093745 -13 1790  TM2WWA DL9OBU JO42 (x3)
093900 -18 1047  DL9OBU TM2WWA RR73
093915  -8 1789  TM2WWA DL9OBU 73

10m

UTC    dB Audio  Message
172915 -14 1758  DL9OBU IU4PPL JN54 (x2)

160m

UTC    dB Audio  Message
022815  +5 1072  3G0Z DL9OBU JO42 (x2)
023015  +1 1072  CQ DL9OBU JO42 (x2)
023100  -6 2122  DL9OBU LZ1ST KN21
023115 -12 1082  LZ1ST DL9OBU -18
023130  -8 2122  DL9OBU LZ1ST R-15
023145  -3 1082  LZ1ST DL9OBU -18
023200  -7 2122  DL9OBU LZ1ST R-15
023215  -3 1082  LZ1ST DL9OBU RR73
023230  -5 2123  DL9OBU LZ1ST 73
023545  -2 1082  DD0AM DL9OBU JO42 (x2)
023630  -4  394  DL9OBU DD0AM RR73
023645  -2 1082  DD0AM DL9OBU 73

Decoder S/N history by band

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