DB3OI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Locator transmitted in a decoded message: JO52

Receiver-side FT8 activity involving DB3OI, decoded by SO8OO in southeastern Poland. 657 related FT8 messages, 331 CQ messages, observed on 160m, 80m, 60m, 40m, 20m, 10m, across 62 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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

657

Related messages

331

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

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

First seen: 2026-05-24
Last seen: 2026-08-22 03:22 UTC

Frequent QSO partners observed at SO8OO

Stations DB3OI worked most often, as logged from our receiver:

EA2DYB · Spain ×3 LY8O · Lithuania ×2 RN6MA · European Russia ×2 LY2HM · Lithuania ×2 DL9KM · Fed. Rep. of Germany ×2 HA3GX · Hungary ×2 OH2DOF · Finland ×2 DM5WH · Fed. Rep. of Germany ×2 TK5NJ · Corsica DL9PN · Fed. Rep. of Germany YT3BL · Serbia NP3MR · Puerto Rico

Activity Heatmap

Locator transmitted by DB3OI

Approximate centre of JO52, decoded 2026-08-23 17:27 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	DB3OI S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 05:22	60m	-8 / -	DC0ED	-18 / +8	3	✓ Closing observed
08-22 05:20	60m	-12 / +4	IV3DSG	-2 / +6	5	✓ Full exchange observed
08-22 05:18	60m	-9 / -	KQ4RLN	- / -	3	Partial capture
08-21 17:27	60m	-12 / -4	LY8O	+3 / +2	4	✓ Full exchange observed
08-21 04:19	60m	+5 / -	NP3MR	- / -10	3	✓ Closing fragment
08-21 04:09	40m	- / -6	OJ0JR	-4 / -	2	✓ Closing fragment
08-18 02:57	60m	0 / +3	EB1LA	+1 / -	5	✓ Full exchange observed
08-18 02:55	60m	+6 / -	WC4H	- / -12	2	✓ Closing fragment
08-18 02:50	60m	-6 / -	W1BS	- / -8	4	✓ Closing fragment
08-17 03:43	60m	-9 / -	IW8PQ	- / -15	2	✓ Closing fragment
08-17 03:41	60m	-12 / -	ER3UA	- / +2	2	✓ Closing fragment
08-13 03:14	60m	-12 / -	AG3Z	- / -12	2	✓ Closing fragment
08-12 04:13	80m	-9 / -15	YT1KN	-6 / -16	5	✓ Full exchange observed
08-11 20:20	60m	-8 / -	LY2HM	-16 / -	2	✓ Closing observed
08-11 20:19	60m	-9 / -	JY4CI	- / -14	4	✓ Closing fragment
08-10 03:56	60m	-5 / -	SV8GXC	-16 / -15	13	Partial capture
08-08 04:01	40m	-13 / -	F5MYH	- / +4	2	✓ Closing fragment
08-07 20:01	60m	-8 / -	R3DFS	- / -11	2	Partial capture
08-07 19:57	60m	+2 / -1	PE1MHY	-5 / -	4	✓ Full exchange observed
08-07 17:27	60m	-9 / -	G0AJZ	- / -5	3	✓ Closing fragment
08-07 17:04	60m	-8 / -	SQ2GXO	-6 / -5	4	✓ Full exchange observed
08-07 04:40	40m	-13 / -	GU4WRP	- / -4	3	✓ Closing fragment
08-07 04:32	40m	-12 / -	F1PBZ	- / +9	2	✓ Closing fragment
08-07 04:31	40m	-13 / -	YY4JLG	- / -	2	Partial capture
08-07 04:29	40m	-8 / -	AC8MR	- / -15	2	Partial capture
08-07 04:27	40m	-9 / -3	EA2DYB	-18 / -	4	✓ Full exchange observed
08-06 20:12	60m	-5 / -	<...>	- / -	2	Partial capture
08-06 20:09	60m	-6 / -	EI9JOB	- / -13	3	Partial capture
08-06 20:05	60m	-5 / -	MI0NUM	- / -9	3	✓ Closing fragment
08-05 05:36	60m	-12 / -4	SQ2BXI	+20 / +4	4	✓ Full exchange observed
08-05 05:32	60m	-12 / -	OH2DOF	- / -12	2	✓ Closing fragment
08-04 15:28	10m	- / -5	R50RKZ	-8 / -	2	✓ Closing fragment
08-02 20:02	80m	- / -	SN4K	+9 / -	2	Partial capture
08-02 19:58	80m	+5 / -	OH7ML	- / -1	3	✓ Closing fragment
08-02 17:20	80m	-6 / +8	DL3RDO	-6 / +4	5	✓ Full exchange observed
08-02 17:19	80m	-2 / -14	UR5SG	+13 / -12	4	✓ Full exchange observed
08-01 20:06	80m	+7 / -	EA2CVV	- / -10	3	✓ Closing fragment
08-01 20:05	80m	+5 / -8	DL1YCL	-13 / -	5	✓ Full exchange observed
08-01 17:22	40m	-12 / -3	LY8O	-15 / +2	5	✓ Full exchange observed
08-01 03:16	80m	+2 / -	KF8XW	- / -15	3	✓ Closing fragment
08-01 03:12	80m	+2 / -12	W1CDO	-2 / +5	7	✓ Full exchange observed
08-01 03:10	80m	+4 / -15	NM1G	-11 / -10	5	✓ Full exchange observed
07-31 20:25	80m	0 / -3	DL1SA	-15 / +3	4	✓ Full exchange observed
07-31 20:25	80m	+3 / -9	IZ3ZUS	-22 / -19	4	✓ Full exchange observed
07-31 20:22	80m	+2 / -4	RA3ZOM	+4 / -6	5	✓ Full exchange observed
07-31 20:20	80m	+1 / -10	RA3WY	-3 / -4	5	✓ Full exchange observed
07-31 20:18	80m	+2 / -5	RL2F	+2 / -8	4	✓ Full exchange observed
07-31 04:50	40m	-15 / -	OA4ENG	- / -	2	Partial capture
07-30 20:05	80m	+3 / -4	UT6HN	-9 / -7	4	✓ Full exchange observed
07-30 20:04	80m	+1 / -	EW8AAC	- / -3	3	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
044045 -15 2378  GU4WRP DB3OI JO52 (x3)
035945  -9  940  CU2JX DB3OI 73
040045 -11 2329  CQ DB3OI JO52 (x2)
040145 -13 2329  F5MYH DB3OI +04 (x2)
040245 -12 2329  KC4WQ DB3OI -21
040645 -16 2327  CQ DB3OI JO52 (x2)
040930  -6  393  DB3OI OJ0JR -06 (x2)
172700 -10 2169  R1530IG DB3OI JO52
172730  -7 2170  EN35UKR DB3OI R+13

60m

UTC    dB Audio  Message
051800  -8 1774  KQ4RLN DB3OI JO52 (x3)
052000  -7 2178  CQ DB3OI JO52 (x2)
052045  -3 2178  DB3OI IV3DSG JN66
052100 -10 2178  IV3DSG DB3OI +06
052115  -1 2178  DB3OI IV3DSG R+04
052130 -13 2178  IV3DSG DB3OI RR73
052145  -2 2178  DB3OI IV3DSG 73
052200 -11 2177  CQ DB3OI JO52 (x2)
052245 -18 2084  DB3OI DC0ED JO31
052300  -8 2176  DC0ED DB3OI +08 (x2)

80m

UTC    dB Audio  Message
195900  +4 1067  OH7ML DB3OI RR73 (x2)
200000  +8 1066  CQ DB3OI JO52 (x3)
200215  +9 1066  DB3OI SN4K KO03 (x2)
200515 +11  566  DB3OI DR800WE +10
041300  -8 1799  YT1KN DB3OI JO52
041315  -3 1525  DB3OI YT1KN -15
041330 -12 1798  YT1KN DB3OI R-16
041345 -10 1525  DB3OI YT1KN RR73
041400  -8 1798  YT1KN DB3OI 73
041530  -6 1797  CQ DB3OI JO52
041715 -21 1333  DB3OI ON8MA JO10

10m

UTC    dB Audio  Message
085230  +8 1969  DB3OI LZ2II RR73
085430  -2 2631  DB3OI IQ4JO -08
104730 -21 1839  DB3OI 9A4AA -14 (x2)
172800 -10 1256  DB3OI LY1SR -13 (x2)
134130 -13 1590  DB3OI PA2JPD -10 (x2)
133600 -15 2079  EI7GSB DB3OI JO52 (x4)
125430 -17 2076  OH6CXP DB3OI JO52
152830  -8  803  DB3OI R50RKZ -05 (x2)

20m

UTC    dB Audio  Message
151845  -2 2324  DB3OI OE6HTG RR73
160800 -13 2154  DB3OI RZ4AZ LN28 (x3)
161145  -7 2758  DB3OI IQ4JO JN63
120530 -14 1799  9H5BM DB3OI R-13
120530  -8 2558  DB3OI G4CFS IO91 (x4)
120745 -20 1478  IK2UIG DB3OI R+10 (x2)
121700 -12 1473  DB3OI RN6MA -11 (x3)

Decoder S/N history by band

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