F5SIB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: JN18

Receiver-side FT8 activity involving F5SIB, decoded by SO8OO in southeastern Poland. 69 related FT8 messages, 15 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 11 UTC dates. Heard between 2026-05-30 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

Related messages

CQ messages

UTC dates heard

-4 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-30
Last seen: 2026-08-22 23:04 UTC

Frequent QSO partners observed at SO8OO

Stations F5SIB worked most often, as logged from our receiver:

F5PBG · France ×3 UR7FM · Ukraine F4FPR · France SV2CLJ · Greece M7JVT · England K0LLT · United States KA9FCB · United States RD1A · European Russia HK3W · Colombia UN0GY · Kazakhstan N2LEE · United States S57NRC · Slovenia

Activity Heatmap

Locator transmitted by F5SIB

Approximate centre of JN18, decoded 2026-08-20 04:06 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	F5SIB S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 01:00	20m	-4 / -	DL1R	+13 / -7	10	Partial capture
08-23 01:00	20m	-4 / +7	DL1VCA	0 / -7	4	✓ Full exchange observed
08-23 00:58	20m	-4 / -	KD9MGZ	- / -12	4	✓ Closing fragment
08-23 00:54	20m	-7 / 0	AB8O	-5 / 0	5	✓ Full exchange observed
08-23 00:52	20m	-4 / -7	N2LEE	-4 / -4	4	✓ Full exchange observed
08-23 00:11	20m	-17 / -	N7HD	- / -	2	Partial capture
08-23 00:09	20m	-17 / -	KF5SFJ	- / -	2	Partial capture
08-22 19:12	20m	-8 / -	KC3DQA	- / -	4	Partial capture
08-22 19:02	20m	- / -	F5RRS	-2 / -	5	Partial capture
08-22 19:00	20m	-9 / -	M7JVT	- / -13	3	✓ Closing fragment
08-22 02:16	20m	+2 / -	RD1A	- / -18	2	✓ Closing fragment
08-22 02:14	20m	-2 / -	UN0GY	-18 / -	2	✓ Closing observed
08-22 01:51	20m	-11 / -	TN8GD	- / -	3	Partial capture
08-22 01:22	20m	-4 / -	K0LLT	- / -9	4	✓ Closing fragment
08-22 01:18	20m	-4 / -	<...>	- / -18	3	Partial capture
08-22 01:13	20m	-4 / -	WY0V	- / -	2	Partial capture
08-22 00:58	20m	+2 / -	WY0V	- / -	5	Partial capture
08-22 00:56	20m	-10 / -	W9EEU	- / -	2	Partial capture
08-22 00:22	20m	-10 / -	W9EEU	- / -	4	Partial capture
08-20 04:09	60m	-18 / 0	F5PBG	-18 / +2	5	✓ Full exchange observed
08-20 04:08	60m	-17 / -	N8OQ	- / -10	2	✓ Closing fragment
08-20 04:05	60m	-18 / -	WD4SRC	- / -	2	Partial capture
08-19 00:00	40m	- / -15	UR7FM	-9 / -	2	✓ Closing fragment
08-10 16:06	10m	- / -13	SV1CQN	-4 / -	2	✓ Closing fragment
08-04 04:20	80m	-12 / -	EA5MJ	- / -3	2	Partial capture
08-04 04:17	80m	-1 / -	K8BL	- / -13	4	✓ Closing fragment
07-11 00:38	40m	-8 / -	LU1VDF	- / -	2	Partial capture
07-03 01:33	40m	-14 / -	OA4ENG	- / -13	2	Partial capture
06-15 03:33	20m	-8 / -	HK3G	- / -13	3	✓ Closing fragment
06-15 03:31	20m	-6 / -	HK3W	- / -11	3	✓ Closing fragment
06-15 03:28	20m	-9 / -	VE7LGP	- / -13	5	✓ Closing fragment
06-15 03:23	20m	-7 / -12	W9MO	-12 / -	4	Partial capture
06-15 03:02	20m	-6 / -	W3SSB	- / -	2	Partial capture
06-10 04:41	40m	-3 / -	K5VGS	- / -	4	Partial capture
06-10 04:38	40m	-7 / -	F4FPR	-10 / +3	5	✓ Closing observed
06-10 04:37	40m	-6 / -	PS8CW	- / -8	3	✓ Closing fragment
06-10 04:37	40m	-8 / -	PE1NPS	-13 / +4	6	✓ Closing observed
06-10 04:33	40m	-8 / -	KQ4NAL	- / -16	5	✓ Closing fragment
06-08 17:26	10m	-8 / -	SP2DW	- / +3	3	✓ Closing fragment
06-08 17:23	10m	-4 / -	A92AB	- / -	2	Partial capture
06-01 02:11	20m	- / -13	HP3AXL	-8 / -	6	✓ Closing fragment
05-31 15:51	10m	-10 / -	S57NRC	- / 0	2	✓ Closing fragment
05-30 23:55	80m	+10 / -8	R2EN	+2 / -5	4	✓ Full exchange observed
05-30 23:53	80m	+2 / -14	TJ1GD	-12 / -	5	✓ Closing observed
05-29 00:47	40m	-14 / -	TJ1GD	- / -21	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
005930  -6 2852  KD9MGZ F5SIB RR73
010015  -5 2298  F5SIB DL1VCA JO62
010015  +8 2658  F5SIB DL1R JN58
010030  -4 2852  DL1VCA F5SIB -07
010045 +14 2658  F5SIB DL1R JN58
010045  +0 2298  F5SIB DL1VCA R+07
010115  +7 2658  F5SIB DL1R JN58
010115  +4 2298  F5SIB DL1VCA 73
010145 +14 2658  F5SIB DL1R JN58
010200  -4 2853  DL1R F5SIB -07
010215 +17 2658  F5SIB DL1R JN58 (x5)

60m

UTC    dB Audio  Message
040530 -19 1939  WD4SRC F5SIB JN18 (x2)
040815 -16 1939  N8OQ F5SIB R-10 (x2)
040900 -18 1939  F5SIB F5PBG IN78
040915 -18 1938  F5PBG F5SIB +02
040930 -15 1939  F5SIB F5PBG R+00
040945 -17 1939  F5PBG F5SIB RR73
041000 -20 1939  F5SIB F5PBG 73

40m

UTC    dB Audio  Message
044300  +3 2551  K5VGS F5SIB JN18 (x2)
175300 -10 2700  F5PBG F5SIB JN18 (x2)
013315 -16  975  OA4ENG F5SIB JN18 (x2)
003845  -8 2577  LU1VDF F5SIB JN18 (x3)
000000 -10 2546  F5SIB UR7FM -15 (x2)
012515 -12  806  K4DBO F5SIB JN18
012700  -9  807  N1NRL F5SIB JN18 (x2)
015415  -5 2865  W1KFR F5SIB JN18

10m

UTC    dB Audio  Message
155130  -8 2100  S57NRC F5SIB 73
171545 -23 1716  EU3LA F5SIB JN18
171715  +0 2362  CQ F5SIB JN18 (x4)
171945  -4 2360  LU8EX F5SIB -15
172345  -7 1302  A92AB F5SIB JN18 (x2)
172615  -6 1297  SP2DW F5SIB JN18 (x3)
133200 -13  689  F5SIB SV2CLJ RR73
160645  -2  980  F5SIB SV1CQN -13 (x2)

80m

UTC    dB Audio  Message
235430  +2  948  TJ1GD F5SIB JN18
235445 -12  671  F5SIB TJ1GD -14
235530 +11  949  TJ1GD F5SIB 73
235545  +1 2325  F5SIB R2EN -08
235600  +9  949  R2EN F5SIB R-05
235615  +2 2325  F5SIB R2EN RR73
235630 +10  949  R2EN F5SIB 73
041445 -21 1905  K8BL F5SIB JN18 (x5)
041945 -17 1577  EA5JHD F5SIB R+03
042045 -12 1577  EA5MJ F5SIB -03 (x2)

Decoder S/N history by band

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