BI4JJO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: China Locator transmitted in a decoded message: OM86

Receiver-side FT8 activity involving BI4JJO, decoded by SO8OO in southeastern Poland. 1,380 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 75 UTC dates. Heard between 2026-05-25 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

1,380

Related messages

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 21:05 UTC

Frequent QSO partners observed at SO8OO

Stations BI4JJO worked most often, as logged from our receiver:

I5MPN · Italy ×2 EA5RR · Spain ×2 IQ0VT · Italy ×2 LZ1ZF · Bulgaria ×2 F4NGC · France ×2 IT9CMZ · Sicily ×2 IT9GOT · Sicily ×2 IQ9SR · Sicily ×2 IU5TPM · Italy 9W2BAF/P · West Malaysia DL1NAW · Fed. Rep. of Germany DC2SK · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by BI4JJO

Approximate centre of OM86, decoded 2026-08-22 14:54 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	BI4JJO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 23:04	20m	- / -25	EA7LGM	+20 / -	2	✓ Closing fragment
08-22 14:46	20m	- / -1	DA1EA	-10 / -	2	✓ Closing fragment
08-22 14:40	20m	- / +6	DA1EA	+13 / -	2	Partial capture
08-21 21:28	80m	- / -	SP2HNF	+13 / -	3	Partial capture
08-21 20:54	20m	- / -	C31KC	-10 / -	3	Partial capture
08-21 20:52	20m	- / -15	F4MMT	0 / -	2	Partial capture
08-21 20:32	20m	- / -19	EA5JLN	+2 / -	2	✓ Closing fragment
08-21 20:12	20m	- / -13	IZ1GCW	+6 / -	2	✓ Closing fragment
08-21 20:03	20m	- / -19	DK1VS	+8 / -	2	Partial capture
08-21 19:55	20m	- / -11	IW3FVQ	+2 / -	2	✓ Closing fragment
08-21 19:52	20m	- / -9	SP3HRN	-2 / -	2	Partial capture
08-21 19:40	20m	- / -21	GM0DEQ	+6 / -	2	✓ Closing fragment
08-21 19:16	20m	- / -10	DH1KJ	+14 / -	2	✓ Closing fragment
08-21 19:14	20m	- / -18	EI5HV	0 / -	2	✓ Closing fragment
08-21 19:00	20m	-19 / -19	DL9BCO	+4 / -19	7	✓ Full exchange observed
08-21 18:46	20m	- / -15	DK6AL	+3 / -	2	✓ Closing fragment
08-21 18:43	20m	- / -12	IK4POB	-6 / -	2	✓ Closing fragment
08-21 18:37	20m	- / -6	F4MSA	-24 / -	2	✓ Closing fragment
08-21 17:47	20m	- / -12	DA1LEO	+13 / -	5	Partial capture
08-21 17:32	20m	- / -10	DK0SD	+8 / -	2	✓ Closing fragment
08-21 17:30	20m	-17 / -	OZ7AEI	- / -	3	Partial capture
08-21 17:28	20m	-12 / 0	F1MGE	+6 / -9	3	✓ Full exchange observed
08-21 17:25	20m	-15 / -	MM7UHK	- / -	4	Partial capture
08-21 17:11	20m	-18 / -	IZ7NLJ	- / -14	2	✓ Closing fragment
08-21 17:07	20m	-20 / -	G3ZSU	- / -18	2	✓ Closing fragment
08-21 16:59	20m	-16 / -13	OM2BH	+4 / -13	7	✓ Full exchange observed
08-21 16:56	20m	- / -16	IS0KEB	-11 / -	2	✓ Closing fragment
08-21 16:27	20m	- / -22	DL3KF	0 / -	2	✓ Closing fragment
08-20 20:15	20m	- / -14	F4JUQ	+22 / -	2	✓ Closing fragment
08-20 20:00	20m	-11 / -	DL9MY	- / -	4	Partial capture
08-20 19:03	20m	- / -10	PA1GLD	+9 / -	4	Partial capture
08-19 21:16	20m	- / -5	OE4MTI	-20 / -	2	Partial capture
08-17 18:56	20m	- / -10	GX0NHR	+4 / -	2	✓ Closing fragment
08-17 13:15	20m	- / -25	IU3VHR	+4 / -	10	✓ Closing fragment
08-17 13:00	20m	- / -23	IU3VHR	+5 / -	12	Partial capture
08-16 20:30	20m	- / +8	M1AQR	-22 / -	2	Partial capture
08-16 20:02	20m	- / -19	DD2FP	-16 / -	2	✓ Closing fragment
08-16 20:02	20m	- / -	SV1PBC	-10 / -	2	Partial capture
08-16 20:00	20m	-12 / -15	R7RCG	-20 / -11	5	✓ Full exchange observed
08-16 19:51	20m	- / -6	DJ3WF	-2 / -	2	✓ Closing fragment
08-16 19:38	20m	- / -	EA3AAY	-14 / -	2	✓ Closing fragment
08-16 19:30	20m	- / -17	IN3KXV	-6 / -	4	✓ Closing fragment
08-16 19:27	20m	- / -7	DH1KU	-3 / -	2	Partial capture
08-16 19:16	20m	-11 / -	2E1HAT	- / -	2	Partial capture
08-16 19:08	20m	- / -16	PA0GSP	-8 / -	2	Partial capture
08-16 18:55	20m	- / -9	DK8AZ	-2 / -	4	✓ Closing fragment
08-16 18:21	20m	- / -11	EA3JIJ	-5 / -	2	✓ Closing fragment
08-15 17:44	20m	- / -13	EA5N	+6 / -	2	✓ Closing fragment
08-15 13:32	20m	- / -	ON4WIY	+3 / -	2	✓ Closing fragment
08-15 13:23	20m	- / -10	ON4IQ	+4 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
203230  +2 1184  BI4JJO EA5JLN RR73
205230  -1 2029  BI4JJO F4MMT -15 (x2)
205400  -9 1456  BI4JJO C31KC JN02 (x3)
144015  +6 2381  BI4JJO DA1EA +06 (x2)
144430 -18 2558  BI4JJO YL3GAO -05
144600  -6 2382  BI4JJO DA1EA -01 (x2)
145400 -21 1306  E27EEL BI4JJO OM86
224130 -19 1821  BI4JJO PY2FZ GG57
230430 +18 2889  BI4JJO EA7LGM -25 (x2)

80m

UTC    dB Audio  Message
202430  +6 1093  BI4JJO LZ1ZF -19 (x2)
192145  -3 1962  BI4JJO IZ7QFN JN81 (x7)
210330 -18 1402  BI4JJO RW9JZ -11 (x3)
212830  +7 1333  BI4JJO SP2HNF JO94 (x3)

40m

UTC    dB Audio  Message
204400  -1  612  BI4JJO IU2VUN JN45
181715  -8  677  BI4JJO DL5HA -08
201915  +1  723  BI4JJO SP9ENV -23 (x3)
215400 +15 2897  BI4JJO SP6JIU -25 (x2)
203645  +4 2924  BI4JJO OZ1LWT -15 (x2)
164930  +5 2105  BI4JJO YO9IJP -13
212200  -8 2174  BI4JJO YO3FRI -13
212230  -6 2174  BI4JJO RR73; F4NJZ <...> -18
212330  -9 2175  BI4JJO YO3FRI RR73 (x2)
213530 -23 1638  BI4JJO EA3AAY -17

10m

UTC    dB Audio  Message
060845 -10 1011  BI4JJO EC5EA RR73 (x2)
085730 -14 1794  BI4JJO 9A6T -10 (x2)
085900  +2 2825  BI4JJO DL1MPR -19 (x2)
090545  +0 2375  BI4JJO IV3FVM -15
090800 -14 1152  BI4JJO LZ1VL -21 (x4)
093745  -8 2766  BI4JJO DO1NUE -15 (x2)
090630 -10 2454  BI4JJO SV3GKU -16 (x2)

Decoder S/N history by band

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