JH1BBT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM95

Receiver-side FT8 activity involving JH1BBT, decoded by SO8OO in southeastern Poland. 500 related FT8 messages, 3 CQ messages, observed on 80m, 40m, 20m, 10m, across 31 UTC dates. Heard between 2026-05-26 and 2026-08-24.

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

500

Related messages

CQ messages

UTC dates heard

+1 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-26
Last seen: 2026-08-24 07:13 UTC

Frequent QSO partners observed at SO8OO

Stations JH1BBT worked most often, as logged from our receiver:

F5RRS · France ×2 SV8JE · Greece ×2 E73X · Bosnia-Herzegovina ×2 SP6JIU · Poland ×2 OH5CY · Finland DJ5FI · Fed. Rep. of Germany YV5JLO · Venezuela RO2X · European Russia R3BDQ · European Russia OH1JP · Finland UB2FEK · Kaliningrad DA0LH · Fed. Rep. of Germany

Activity Heatmap

Locator transmitted by JH1BBT

Approximate centre of PM95, decoded 2026-08-23 20:11 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	JH1BBT S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 20:11	80m	-20 / -14	E75C	+4 / -17	4	✓ Full exchange observed
08-23 20:09	80m	-20 / -14	IK5CHL	+4 / -	3	✓ Closing observed
08-23 20:07	80m	-22 / -16	E75C	0 / -	3	Partial capture
08-22 20:23	80m	- / -	DJ7M	+13 / -	3	Partial capture
08-22 19:28	80m	- / -8	DJ5FI	+19 / -	2	✓ Closing fragment
08-21 20:13	80m	- / -	DO7FKH	-1 / -	6	Partial capture
08-21 20:05	80m	-17 / -	<...>	- / -16	3	Partial capture
08-21 19:54	80m	- / -18	RU3T	+5 / -	4	✓ Closing fragment
08-21 19:50	80m	-14 / -18	DM5KM	+18 / -	4	Partial capture
08-21 19:48	80m	- / -19	RU3T	+6 / -	3	Partial capture
08-21 19:41	80m	- / -15	IZ0SQZ	-14 / -	4	✓ Closing fragment
08-21 19:40	80m	- / -15	DL1RWN	+13 / -	3	✓ Closing fragment
08-21 19:35	80m	- / -13	DL1RNW	+4 / -	2	Partial capture
08-21 19:34	80m	-12 / -16	IW0QOX	+1 / -	7	✓ Closing observed
08-21 19:34	80m	-21 / -18	RL3F	-11 / -	4	✓ Closing observed
08-21 19:33	80m	- / -	IU2LVV	+2 / -	15	Partial capture
08-21 19:33	80m	-20 / -	DH8BAC	- / -	2	Partial capture
08-21 19:32	80m	- / -16	SP6GCU	+20 / -	4	Partial capture
08-21 19:32	80m	-16 / -9	OH5KNL	+10 / -	4	✓ Closing observed
08-20 18:34	40m	-12 / -14	UB2FEK	+4 / -21	3	✓ Full exchange observed
08-20 18:29	40m	- / -15	YL3CU	+12 / -	2	✓ Closing fragment
08-20 18:19	40m	- / -21	OE6MMD	+10 / -	2	✓ Closing fragment
08-18 18:35	80m	- / -16	OK1XV	+22 / -	3	✓ Closing fragment
08-18 18:24	40m	- / -18	ON4AOI	0 / -	2	✓ Closing fragment
08-18 18:21	40m	- / -18	DL8OH	+14 / -	2	✓ Closing fragment
08-18 18:17	40m	- / -15	SP6JIU	+15 / -	2	✓ Closing fragment
08-16 19:27	80m	-19 / +7	DM2RM	+16 / -	3	✓ Closing observed
08-16 19:19	40m	- / -11	DD1UN	-14 / -	5	✓ Closing fragment
08-16 19:15	40m	- / -12	F5RRS	-18 / -	2	✓ Closing fragment
08-16 19:08	40m	- / -11	DA0LH	0 / -	2	✓ Closing fragment
08-15 19:52	80m	- / -16	YO4BXX	+9 / -	6	✓ Closing fragment
08-15 19:47	80m	-16 / -16	DF2RG	+15 / -16	4	✓ Full exchange observed
08-15 19:34	80m	- / -	OH8JP	0 / -	2	Partial capture
08-15 19:34	80m	- / -	OK1XV	+9 / -	5	Partial capture
08-15 19:33	80m	-12 / -20	DL7URH	+14 / -22	8	✓ Full exchange observed
08-15 19:25	80m	- / -	OH3NXW	+10 / -	4	Partial capture
08-15 19:23	80m	-13 / -14	DL5ZB	+24 / -16	4	✓ Full exchange observed
08-15 19:21	80m	- / -19	SQ2BXI	+19 / -	2	✓ Closing fragment
08-15 19:04	80m	- / -12	R50RKZ	+2 / -	2	✓ Closing fragment
08-14 19:56	80m	-18 / -14	R1IO	+4 / -10	6	✓ Full exchange observed
08-14 19:54	80m	- / -15	RO2X	+7 / -	4	✓ Closing fragment
08-14 19:53	80m	-15 / -14	R3BDQ	+8 / -19	3	✓ Full exchange observed
08-14 19:53	80m	- / -14	YO8DHA	+7 / -	3	Partial capture
08-14 19:52	80m	-14 / -	RU4SO	+2 / -	2	✓ Closing observed
08-14 19:50	80m	-15 / -	DO9AO	- / -	3	Partial capture
08-14 19:25	80m	- / -24	OH2BGD	+18 / -	8	✓ Closing fragment
08-14 19:15	80m	- / -	OK1SI	+12 / -	2	Partial capture
08-14 19:15	80m	- / -	SP5CTY	+1 / -	2	Partial capture
08-14 19:15	80m	- / -	SQ9ACH	+19 / -	2	Partial capture
08-14 19:13	80m	-12 / -8	IU8SDA	-1 / -21	4	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
211600  +0  626  JH1BBT EB3JT 73
182600 -12 1944  JH1BBT F5RRS JN36 (x3)
182700 -11 2463  JH1BBT R6DJR -12 (x3)
184315 +17  452  JH1BBT LX1TI -04 (x2)
191300  +0 2129  JH1BBT E74K -17 (x5)
091300 -24 1556  JH1BBT YV5JLO RR73

80m

UTC    dB Audio  Message
192845 +18  355  JH1BBT DJ5FI RR73
202330 +14  258  JH1BBT DJ7M JN49 (x3)
200700 -23 1954  E75C JH1BBT PM95 (x2)
200845  +0 1865  JH1BBT E75C -16
200945  +4 2304  JH1BBT IK5CHL -14 (x2)
201030 -20 1953  IK5CHL JH1BBT 73
201130 -16 1954  E75C JH1BBT PM95
201145 +14 1954  JH1BBT OM7TJ JN98
201145 +11 1866  JH1BBT E75C -14
201200 -24 1954  E75C JH1BBT R-17
201215  -3 1866  JH1BBT E75C RR73

40m

UTC    dB Audio  Message
192115 -17 1618  JH1BBT DD1UN RR73
181700 +19 2950  JH1BBT SP6JIU -15 (x2)
182130 +12 2839  JH1BBT DL8OH -18 (x2)
182445  +1  887  JH1BBT ON4AOI -18 (x2)
182615  -2  682  JH1BBT RA6YDX R-09
181930  +9 1644  JH1BBT OE6MMD -21 (x2)
182900 +11  577  JH1BBT YL3CU -15 (x2)
183430  +1 2937  JH1BBT UB2FEK -14
183445 -12 2988  UB2FEK JH1BBT R-21
183500  +6 2937  JH1BBT UB2FEK RR73

10m

UTC    dB Audio  Message
112830  -8  504  JH1BBT RR73; KU1CW <...> -14
150330  -6 1897  JH1BBT 9X5KM +00 (x3)
175600 -16 1146  JH1BBT LU6FOV RR73

Decoder S/N history by band

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