E75C — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Bosnia-Herzegovina Locator transmitted in a decoded message: JN93

Receiver-side FT8 activity involving E75C, decoded by SO8OO in southeastern Poland. 2,242 related FT8 messages, 1,535 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 68 UTC dates. Heard between 2026-06-09 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

2,242

Related messages

1,535

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-06-09
Last seen: 2026-08-24 00:52 UTC

Frequent QSO partners observed at SO8OO

Stations E75C worked most often, as logged from our receiver:

IW5ALZ · Italy ×7 UR5WCS · Ukraine ×4 BG4OOO · China ×4 UA0LQE · Asiatic Russia ×3 LZ1BT · Bulgaria ×3 M8KKH · England ×2 UK8FCM · Uzbekistan ×2 DO9BAU · Fed. Rep. of Germany ×2 OE7CMT · Austria ×2 M8XDZ · England ×2 DL1JAN · Fed. Rep. of Germany ×2 2E0MBH · England ×2

Activity Heatmap

Locator transmitted by E75C

Approximate centre of JN93, decoded 2026-08-24 02:52 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	E75C S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 02:50	40m	- / -18	F5OYA/P	-6 / -	3	✓ Closing fragment
08-24 02:48	40m	-11 / -	KM4ECH	-17 / -14	2	✓ Closing observed
08-24 02:46	40m	-8 / -	MM6EJO	- / -24	2	Partial capture
08-24 02:45	40m	-12 / 0	K1JAK	-16 / -16	6	✓ Full exchange observed
08-24 02:44	40m	- / -	F1IQH	-14 / -	2	Partial capture
08-24 02:43	80m	- / +4	SP6U	+3 / -	3	Partial capture
08-24 02:37	80m	-7 / 0	YO3GNF	-2 / -	4	✓ Closing observed
08-24 02:36	80m	-6 / -	MM0KQC	-3 / -15	3	✓ Closing observed
08-24 02:34	80m	-2 / -1	RK6OQ	+3 / -3	5	✓ Full exchange observed
08-24 02:33	80m	-6 / -12	EA7LIC	-13 / -8	5	✓ Full exchange observed
08-24 02:31	40m	-7 / -	US2YW	- / -14	3	✓ Closing fragment
08-24 02:30	40m	- / -	9A4ZM	-1 / -	2	Partial capture
08-24 02:29	40m	-12 / -	VE3DZ	- / -11	2	✓ Closing fragment
08-24 02:26	40m	-5 / -8	R2RCQ	+4 / -	7	✓ Closing observed
08-24 02:26	40m	-5 / -	PC2J	- / +2	2	✓ Closing fragment
08-24 02:22	40m	-8 / -11	R2EA/P	-10 / -10	3	✓ Full exchange observed
08-24 02:21	40m	- / -7	F1PBZ	-8 / -	4	Partial capture
08-24 02:21	40m	-7 / -7	KF9UG	-10 / -8	7	✓ Full exchange observed
08-24 02:17	40m	-5 / -5	SN40KZE	-1 / -9	3	✓ Full exchange observed
08-24 02:17	40m	- / -4	DL9KM	-3 / -	5	✓ Closing fragment
08-24 02:16	40m	-2 / -5	F5HNQ	-8 / -7	5	✓ Full exchange observed
08-23 21:09	40m	-2 / -	EA5JLN	- / -11	4	Partial capture
08-23 21:05	40m	- / -	EA5JLN	-10 / -	2	Partial capture
08-23 21:01	40m	- / -	UT8SQ	-10 / -	3	Partial capture
08-23 20:56	40m	0 / -	DL6UM	+1 / -6	22	✓ Closing observed
08-23 20:55	40m	-2 / +7	OK1FAN	+7 / -2	4	✓ Full exchange observed
08-23 20:53	40m	-2 / -	OZ5AGJ	-6 / -10	5	✓ Full exchange observed
08-23 20:52	40m	+2 / -	F5HNQ	- / -11	2	Partial capture
08-23 20:51	40m	0 / -11	F4BYA	+2 / -3	5	✓ Full exchange observed
08-23 20:47	80m	+7 / -	D2UY	- / -14	4	✓ Closing fragment
08-23 20:42	80m	+5 / -1	RA6FYL	-4 / -6	7	✓ Full exchange observed
08-23 20:42	80m	+5 / -14	UR3QCB	-10 / -11	5	✓ Full exchange observed
08-23 20:39	80m	+6 / -16	DO4HHK	-15 / -24	5	✓ Full exchange observed
08-23 20:35	80m	+6 / -7	HF9T	+11 / -7	5	✓ Full exchange observed
08-23 20:32	80m	-1 / -13	M8LOD	-15 / -14	5	✓ Full exchange observed
08-23 20:31	80m	+6 / -14	JI4JKO	-13 / -9	5	✓ Full exchange observed
08-23 20:29	80m	+5 / 0	OZ1IVA	-9 / -10	5	✓ Closing observed
08-23 20:27	80m	+3 / -	US5RK	-15 / -	3	✓ Closing observed
08-23 20:22	80m	+1 / -3	YO4BXX	+9 / 0	3	Partial capture
08-23 20:20	80m	+8 / -	JH4HMG	-19 / -14	3	✓ Closing observed
08-23 20:19	80m	+3 / -9	DO1OAS	-6 / -13	4	✓ Full exchange observed
08-23 20:15	80m	+2 / -	4O4DB	-10 / -2	4	✓ Full exchange observed
08-23 20:13	80m	+7 / -20	JR3REX	-16 / -12	5	✓ Full exchange observed
08-23 20:11	80m	+4 / -17	JH1BBT	-20 / -14	4	✓ Full exchange observed
08-23 20:10	80m	+4 / -9	R3BBM	-11 / -19	5	✓ Full exchange observed
08-23 20:07	80m	0 / -	JH1BBT	-22 / -16	3	Partial capture
08-23 20:06	80m	+2 / -	JR3REX	- / -18	4	Partial capture
08-23 20:05	80m	+4 / -14	JA5XAE	-10 / -10	5	✓ Full exchange observed
08-23 20:01	80m	-4 / -	JH4IFF	-8 / -	3	✓ Closing observed
08-23 20:01	80m	0 / -6	UR5NPF	+11 / -4	6	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
024500  -8 1071  K1JAK E75C -16
024600  -4 1071  MM6EJO E75C R-24 (x2)
024645 -17 2133  E75C K1JAK R+00
024700 -15 1072  K1JAK E75C RR73
024715 -16 2133  E75C K1JAK R+00
024730 -14 1071  K1JAK E75C RR73
024800 -11 1071  KM4ECH E75C -14
024815 -15 1523  E75C K1JAK 73
024845 -17 1071  E75C KM4ECH 73
025000  -8 1071  CQ E75C JN93
025015  -8 1071  E75C F5OYA/P JN13 (x3)
025200 -13 1071  CQ E75C JN93

80m

UTC    dB Audio  Message
023645  -3 1450  E75C MM0KQC RR73
023700 -10 1997  MM0KQC E75C 73
023715  -3 2147  E75C YO3GNF KN34 (x2)
023800  -7 1997  YO3GNF E75C RR73
023815  -2 2147  E75C YO3GNF 73
023830  -5 1997  CQ E75C JN93 (x5)
024045 +19 1008  E75C DM2BPG JO51
024315  +1 2277  E75C SP6U JO80 (x3)

20m

UTC    dB Audio  Message
015330 -13 1488  E75C KD9IKN R-06 (x2)
072245  -5 1496  CQ E75C JN93
072300  +8 1497  E75C RU7C KN95
072315  -4 1496  RU7C E75C -14
072330  +1 1497  E75C RU7C R-17
072345  +2 1496  RU7C E75C RR73
072400  -3 1497  E75C RU7C R-17
072415  -2 1496  CQ E75C JN93
072430  +3 1497  E75C RU7C R-17
072445  +3 1496  CQ E75C JN93
072500  +1 1497  E75C RU7C RR73
072545  -6 1496  CQ E75C JN93                          a1 (x2)
021315  -6 2730  E75C 9A3NM JN85

10m

UTC    dB Audio  Message
182630 -11 1858  SQ7KOT E75C -05
182900 -16 1857  CQ E75C JN93 (x2)
183100 -13 1857  PD0PY E75C -13 (x3)
183230 -13 1856  OM6AKO E75C -11 (x4)
183430 -14 1856  CQ E75C JN93 (x4)
183815 -23 1856  E75C PD2FS -09

60m

UTC    dB Audio  Message
055945 -11 1008  E75C SP3IPA JO82 (x2)

Decoder S/N history by band

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