SP4WSL — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Poland Locator transmitted in a decoded message: JO93

Receiver-side FT8 activity involving SP4WSL, decoded by SO8OO in southeastern Poland. 516 related FT8 messages, 76 CQ messages, observed on 80m, 40m, 20m, 10m, across 40 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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

516

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 16:27 UTC

Frequent QSO partners observed at SO8OO

Stations SP4WSL worked most often, as logged from our receiver:

BD5CAM · China ×3 LZ1ZF · Bulgaria ×3 UX7QV · Ukraine ×2 SP4GDW · Poland ×2 A71DA · Qatar ×2 UN8DSW · Kazakhstan ×2 DJ2MS · Fed. Rep. of Germany ×2 SV1EAG · Greece ×2 IK4RVY · Italy ×2 UX7QG · Ukraine ×2 DL7EDU · Fed. Rep. of Germany ×2 IQ0RU · Italy

Activity Heatmap

Locator transmitted by SP4WSL

Approximate centre of JO93, decoded 2026-08-23 14:18 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	SP4WSL S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 18:26	20m	- / -17	BG7BMG	-15 / -	3	✓ Closing fragment
08-23 18:22	20m	- / -8	EA5W	-6 / -	3	✓ Closing fragment
08-23 14:16	40m	-14 / -	DK6WS	- / -	4	Partial capture
08-23 14:15	40m	-12 / +1	OZ9FF	-14 / -16	5	✓ Full exchange observed
08-23 14:10	40m	-10 / -7	HA7CH	-8 / -21	4	✓ Full exchange observed
08-23 13:22	20m	- / -	DL1R	+1 / -	2	Partial capture
08-23 13:19	40m	-20 / -8	SP4GDW	-16 / -12	5	✓ Full exchange observed
08-23 13:18	20m	- / -	F6FDY	-12 / -	3	Partial capture
08-23 12:57	40m	-15 / -	DK6WS	- / -22	7	Partial capture
08-23 12:49	40m	-11 / -	SQ1QAT	- / -11	3	✓ Closing fragment
08-23 12:43	40m	-12 / -	DJ2MS	- / -22	7	✓ Closing fragment
08-23 12:36	40m	-13 / -	PE1NAO	- / -16	4	✓ Closing fragment
08-23 09:51	20m	- / +7	LZ3CB	+6 / -	2	✓ Closing fragment
08-23 09:42	20m	- / -	F1PPH	0 / -	2	Partial capture
08-23 09:32	20m	- / -	IW5ALZ	-8 / -	2	Partial capture
08-23 09:32	20m	-16 / -11	RA6HN	-5 / -20	6	✓ Full exchange observed
08-23 09:29	20m	- / -5	9A6T	0 / -	2	✓ Closing fragment
08-23 09:24	20m	- / -2	9A2LM	+1 / -	2	✓ Closing fragment
08-23 09:23	20m	- / +1	OH2ZZ	-8 / -	2	✓ Closing fragment
08-23 09:12	20m	- / -1	F1MXE	+5 / -	3	Partial capture
08-22 20:25	20m	- / -14	CT1BQN	-10 / -	2	✓ Closing fragment
08-22 20:19	40m	-9 / -	SP1ZMO	- / -	4	Partial capture
08-22 20:16	40m	-2 / -12	F4JXW	-10 / -13	5	✓ Full exchange observed
08-22 20:15	40m	-2 / -	IU1DXU	- / -	2	Partial capture
08-22 14:25	20m	- / -10	TA3KJ	+4 / -	2	✓ Closing fragment
08-21 17:22	20m	- / +5	DL9TNT	+2 / -	3	✓ Closing fragment
08-20 07:20	40m	-12 / -	F1LPT	- / -	2	Partial capture
08-19 17:22	20m	- / -	F5SFT	-11 / -	2	✓ Closing fragment
08-19 17:20	20m	- / -2	4L1MA	-10 / -	2	✓ Closing fragment
08-19 16:56	20m	- / -18	F4IVG	+1 / -	3	✓ Closing fragment
08-18 15:55	40m	-18 / -	DA1TE	-21 / -	6	Partial capture
08-18 15:54	40m	-20 / -	DK4RH	- / -	2	Partial capture
08-16 17:58	40m	- / -8	DA0LH	-16 / -	2	✓ Closing fragment
08-16 17:54	40m	-19 / +5	SP3GTP	-6 / -	3	✓ Closing observed
08-16 17:45	20m	- / -	LX1NO	-10 / -	2	Partial capture
08-16 17:08	20m	-12 / -	BG7BMG	- / -	2	Partial capture
08-16 17:07	40m	-20 / -	SQ2BXI	-4 / -22	3	✓ Closing observed
08-16 17:04	40m	- / +9	US2UM	-5 / -	2	Partial capture
08-16 12:40	20m	- / -	OE7KTI	-16 / -	4	Partial capture
08-16 12:35	20m	- / -5	IK4RVY	-11 / -	2	✓ Closing fragment
08-16 08:17	20m	- / +2	IU1DXU	-16 / -	2	✓ Closing fragment
08-16 07:19	40m	-18 / -	DK6WH	- / -	2	Partial capture
08-16 07:16	40m	-18 / -	SP8RPA	- / -	2	✓ Closing fragment
08-15 20:12	20m	- / -6	MW9MCO	-6 / -	2	✓ Closing fragment
08-15 17:21	20m	- / -9	EA5ISM	-22 / -	2	✓ Closing fragment
08-15 16:54	40m	-16 / -7	LZ3HG	-17 / -13	5	✓ Full exchange observed
08-15 16:52	40m	-13 / -	SP9XG	- / -13	2	✓ Closing fragment
08-15 07:17	20m	- / +5	LZ1ZF	-6 / -	2	✓ Closing fragment
08-14 22:08	20m	- / -14	YO3WST	-18 / -	2	✓ Closing fragment
08-14 22:04	20m	- / +8	LZ1ZF	-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
123330  -6 1550  SP4WSL DL5OL -08
130430  -5 1448  SP4WSL R3UDU 73
130430 +13 1357  SP4WSL UT7UJ -03
131845 -18 1565  SP4WSL F6FDY JN33
131845 +12 2658  SP4WSL DL1R JN58
131915  -9 1565  SP4WSL F6FDY JN33 (x2)
132215  +1 2658  SP4WSL DL1R JN58 (x2)
182215  -4 1172  SP4WSL EA5W -08 (x3)
182630 -17 2274  SP4WSL BG7BMG -17 (x3)

40m

UTC    dB Audio  Message
141015  -7 1689  CQ SP4WSL JO93
141030 -10 1691  SP4WSL HA7CH -07
141030 -10  788  SP4WSL PE9JAN JO22
141045  -9 1689  HA7CH SP4WSL R-21
141100  -6 1692  SP4WSL HA7CH RR73
141115 -10 1688  HA7CH SP4WSL 73
141500 -13 1688  OZ9FF SP4WSL JO93
141515 -17 2314  SP4WSL OZ9FF +01
141530 -11 1689  OZ9FF SP4WSL R-16
141545 -10 2314  SP4WSL OZ9FF RR73
141600 -12 1688  OZ9FF SP4WSL 73
141645 -16 1688  DK6WS SP4WSL JO93 (x4)

80m

UTC    dB Audio  Message
214715  +8 1713  TM0BSM SP4WSL 73
214815 +10 1713  DL1HDL SP4WSL JO93 (x4)
215000  +1 1002  SP4WSL DL1HDL JO53 (x3)
215415  +8 1429  UN8DSW SP4WSL JO93
215430 -16 1809  SP4WSL UN8DSW -12
215445  +9 1429  UN8DSW SP4WSL R-18 (x2)
215700  -1 1429  G8OO SP4WSL JO93 (x2)
215800  +5 1429  DO5HOK SP4WSL JO93

10m

UTC    dB Audio  Message
151600 -12 1878  SP4WSL IU7SEL -05 (x2)

Decoder S/N history by band

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