YO3SL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Romania Locator transmitted in a decoded message: KN34

Receiver-side FT8 activity involving YO3SL, decoded by SO8OO in southeastern Poland. 287 related FT8 messages, 45 CQ messages, observed on 80m, 40m, 20m, 10m, across 39 UTC dates. Heard between 2026-06-08 and 2026-08-21.

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

287

Related messages

CQ messages

UTC dates heard

-9 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-06-08
Last seen: 2026-08-21 13:18 UTC

Frequent QSO partners observed at SO8OO

Stations YO3SL worked most often, as logged from our receiver:

TA2ED · Asiatic Turkey ×2 SV9MBH · Crete ×2 RA3TK · European Russia DO3VS · Fed. Rep. of Germany TA9AAR · Asiatic Turkey BI4XDT · China DL2VEL · Fed. Rep. of Germany TN8GD · Republic of the Congo PA2PS · Netherlands IK1RQX · Italy DO4RP · Fed. Rep. of Germany F4GUK · France

Activity Heatmap

Locator transmitted by YO3SL

Approximate centre of KN34, decoded 2026-08-22 06:39 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	YO3SL S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-21 15:14	10m	- / -	DF7EE	-10 / -	5	Partial capture
08-21 15:14	10m	- / -9	IK1RQX	-6 / -	8	✓ Closing fragment
08-21 15:14	10m	- / -10	PD2WL	-1 / -	9	✓ Closing fragment
08-21 14:06	10m	- / -	F4VTR	-20 / -	3	Partial capture
08-21 14:03	10m	- / -11	PD1SL	-17 / -	4	✓ Closing fragment
08-21 13:58	10m	- / -10	PE9JAN	-13 / -	5	✓ Closing fragment
08-21 05:37	20m	- / -14	TI5RR	-2 / -	11	Partial capture
08-17 19:53	80m	- / -1	YO6BGT	0 / -	2	Partial capture
08-17 19:34	80m	- / -22	IQ4JO	-2 / -	3	✓ Closing fragment
08-17 19:26	80m	-8 / -	JE6WOQ	- / -19	6	Partial capture
08-16 20:11	80m	-21 / -	TA1HZ	- / -	3	Partial capture
08-16 20:09	80m	-17 / -6	E70SZ	+2 / -	6	✓ Closing observed
08-16 20:05	80m	-18 / -19	HF5A	+16 / -10	5	✓ Full exchange observed
08-16 20:03	80m	-24 / -7	SV9MBH	-10 / -4	5	✓ Full exchange observed
08-16 19:56	80m	- / -	YO3OBB	+3 / -	2	✓ Closing fragment
08-16 19:52	80m	-14 / -	CT7AUT	- / -	2	Partial capture
08-15 14:54	10m	-17 / -	TA9AAR	- / -12	2	✓ Closing fragment
08-12 18:24	80m	- / -9	SP9UPH	+20 / -	4	✓ Closing fragment
08-12 05:47	20m	- / -5	9A3AUH	-9 / -	3	✓ Closing fragment
08-12 05:44	20m	-16 / -	F4LNM	-13 / -16	2	Partial capture
08-09 20:10	20m	- / -14	F5PBG	-17 / -	3	✓ Closing fragment
08-09 11:00	20m	-20 / -	UT4QM	- / -2	2	✓ Closing fragment
08-09 10:58	20m	-19 / -	UA9QFF	- / -14	3	✓ Closing fragment
08-08 05:36	20m	- / -8	KF0YOB	-15 / -	2	✓ Closing fragment
08-04 16:55	20m	- / -	IK4RVY	-18 / -	2	✓ Closing fragment
07-28 15:06	20m	- / -	RA4Y	-1 / -	4	Partial capture
07-28 14:52	20m	- / -	PC2J	-18 / -	2	✓ Closing fragment
07-28 14:50	20m	- / -11	F1PSX	-13 / -	2	✓ Closing fragment
07-27 15:37	20m	- / -	MW7RHR	-21 / -	2	Partial capture
07-27 15:23	20m	- / -9	MW7JVW	-23 / -	2	Partial capture
07-26 19:25	20m	-11 / -	SP9DSR	- / -9	2	✓ Closing fragment
07-26 19:22	20m	-10 / -	MW0KJN	- / -11	2	Partial capture
07-26 19:21	20m	-8 / -	YL3QZ	-24 / -2	3	✓ Closing observed
07-26 19:06	20m	- / -12	F1ODM	-8 / -	2	✓ Closing fragment
07-26 18:23	20m	- / -7	RA6OY	+2 / -	2	Partial capture
07-23 12:56	10m	- / -	DL1UDO	-19 / -	3	Partial capture
07-21 18:43	10m	- / -	DN9OPA	-9 / -	7	Partial capture
07-21 17:33	10m	-19 / -	DO1TEM	- / -18	2	✓ Closing fragment
07-21 06:16	20m	-12 / -	HC2GRC	- / -	3	Partial capture
07-21 06:13	20m	-12 / -	TA2ED	- / -7	2	✓ Closing fragment
07-21 06:11	20m	-7 / -	WP4JKT	- / -16	4	✓ Closing fragment
07-21 06:09	20m	-3 / -	PD4RJ	- / -18	2	Partial capture
07-21 05:56	20m	-9 / -	ON1JP	- / -12	2	Partial capture
07-13 14:40	20m	-13 / -5	DK5DW	+3 / -9	4	✓ Full exchange observed
07-13 14:39	20m	-14 / -	DL2VLL	- / -17	2	✓ Closing fragment
07-13 14:33	20m	-15 / -	F9PK	- / -	8	Partial capture
07-12 14:22	20m	- / -14	MW9LQA	-21 / -	3	Partial capture
07-11 07:30	20m	-13 / -	TN8GD	- / -10	2	✓ Closing fragment
07-11 07:27	20m	-14 / -	NP3RK	- / -	4	Partial capture
07-11 05:17	20m	-18 / -	HF7X	- / 0	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
054730  -8 2135  YO3SL 9A3AUH R-05 (x2)
163130 -11 1580  YO3SL R6LQU KN97
053745  -6  907  YO3SL TI5RR -14 (x11)
063915  +5 1582  IH9YMC YO3SL KN34

10m

UTC    dB Audio  Message
151545  -5  348  YO3SL PD2WL -10
151545  -6 2108  YO3SL IK1RQX R-09
151615  +0  348  YO3SL PD2WL -10
151615  -4 2108  YO3SL IK1RQX 73 (x2)
151645 -11 1276  YO3SL DF7EE JO40
151645  +0  348  YO3SL PD2WL -10 (x2)
151715 -16 1276  YO3SL DF7EE JO40
151715  -5 2108  YO3SL IK1RQX JN44
151745  +1  348  YO3SL PD2WL -10
151745  -6 1276  YO3SL DF7EE JO40
151745  -7 2108  YO3SL IK1RQX R-03
151815  -9 1275  YO3SL DF7EE JO40
151845  +1  348  YO3SL PD2WL RR73

80m

UTC    dB Audio  Message
201115  -3 1505  YO3SL E70SZ 73
201130 -21 1504  TA1HZ YO3SL KN34 (x3)
192600 -12 1504  JE6WOQ YO3SL KN34 (x6)
193415  +0 2160  YO3SL IQ4JO JN63 (x3)
195315  -2 1644  YO3SL YO6BGT KN26 (x2)

40m

UTC    dB Audio  Message
033930  -1 1596  DL2VEL YO3SL R-04
033945  -1 1595  YO3SL DL2VEL RR73
034045  +9 2782  YO3SL DL1BBO JO43 (x4)
040330  +2  991  YO3SL IQ2UL R+00
040345  +1  991  IQ2UL YO3SL RR73
040400  -2  991  YO3SL IQ2UL 73
040545  +0 1450  DF6TG YO3SL -02
040730 -11 2330  YO3SL F4FPR IN88 (x3)
170415 -21 1541  F4MOA YO3SL KN34
190645 -19 1541  MM3ZTS YO3SL KN34

Decoder S/N history by band

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