WP4U — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Puerto Rico Locator transmitted in a decoded message: FK68

Receiver-side FT8 activity involving WP4U, decoded by SO8OO in southeastern Poland. 336 related FT8 messages, 16 CQ messages, observed on 80m, 40m, 20m, 10m, across 25 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.

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Overview

336

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 40m 20m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 12:48 UTC

Frequent QSO partners observed at SO8OO

Stations WP4U worked most often, as logged from our receiver:

UZ5CA · Ukraine ×2 SV2KD · Greece ×2 VU2RPS · India UK8FF · Uzbekistan YB1UUN · Indonesia RA4ABH · European Russia VE7RK · Canada 9V1DX · Singapore 8Q7PR · Maldives UT7UB · Ukraine DU7AA · Philippines RX9ABI · Asiatic Russia

Activity Heatmap

Locator transmitted by WP4U

Approximate centre of FK68, decoded 2026-08-22 00:41 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	WP4U S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 14:46	10m	- / -	A71AE	-18 / -	3	✓ Closing fragment
08-23 14:45	10m	- / -7	PA1HGM	-16 / -	3	Partial capture
08-22 16:46	20m	- / -	IK4LZH	-10 / -	4	Partial capture
08-22 00:40	40m	-4 / -	HC1BG	- / -12	4	✓ Closing fragment
08-22 00:38	40m	-2 / -10	UZ5CA	+6 / +2	7	✓ Full exchange observed
08-22 00:37	40m	-2 / -	US8KA	- / -1	2	Partial capture
08-22 00:29	40m	-2 / -	UN7PPV	- / -	15	Partial capture
08-22 00:22	40m	-1 / +1	EW8AAC	-12 / -7	4	✓ Full exchange observed
08-22 00:12	40m	-1 / -7	RY3F	+4 / -4	5	✓ Full exchange observed
08-22 00:09	40m	-4 / -12	RD9U	+5 / -13	6	✓ Full exchange observed
08-20 01:09	80m	-24 / -	KM0T	- / +1	2	Partial capture
08-20 00:14	80m	- / -	DL9ATW	-3 / -	4	Partial capture
08-20 00:14	80m	- / -	IK5CHL	-8 / -	4	Partial capture
08-20 00:14	80m	- / -	SP5GW	+8 / -	5	Partial capture
08-16 19:01	20m	- / 0	TM0BSM	-16 / -	6	Partial capture
08-16 18:59	20m	- / -	PD1ADA	-15 / -	5	Partial capture
08-16 18:51	20m	- / -13	OZ9FF	-14 / -	2	✓ Closing fragment
08-16 18:42	20m	- / -14	TA2ANK	-1 / -	2	✓ Closing fragment
08-16 18:37	20m	- / -	PD1SL	-14 / -	2	Partial capture
08-01 05:12	20m	+1 / -	R8QA	- / -15	3	✓ Closing fragment
08-01 05:12	20m	0 / -	EW4DX	- / +7	2	✓ Closing fragment
08-01 05:10	20m	-4 / -12	UR9QQ	-12 / -	3	✓ Closing observed
08-01 05:08	20m	-7 / -	UX1VT	-20 / -17	3	Partial capture
08-01 05:07	20m	-3 / -	UR4UUY	- / -15	3	✓ Closing fragment
08-01 05:06	20m	-4 / -	UR4QWW	- / -	2	Partial capture
07-27 00:19	80m	- / -23	RA3VX	+2 / -	2	Partial capture
07-27 00:15	80m	- / -14	SQ2RAD	+13 / -	6	✓ Closing fragment
07-27 00:15	80m	- / -18	OH2MA	-1 / -	7	✓ Closing fragment
07-26 23:41	40m	-18 / -	UN7PPV	- / -	6	Partial capture
07-24 02:08	40m	-14 / -	SV2KD	- / 0	2	✓ Closing fragment
07-24 02:06	40m	-13 / -	PW8BR	- / -9	3	✓ Closing fragment
07-24 02:03	40m	-14 / -	LU4HA	- / -10	2	✓ Closing fragment
07-24 02:02	40m	-12 / -	IZ8EYN	- / -6	2	✓ Closing fragment
07-24 01:59	40m	-12 / -	UT7UB	- / -2	3	✓ Closing fragment
07-24 01:11	40m	-14 / -	OZ0JX	- / +7	3	✓ Closing fragment
07-24 01:07	40m	-12 / -	VY2FA	- / -8	3	✓ Closing fragment
07-24 01:06	40m	-10 / -	<...>	- / +8	2	Partial capture
07-24 01:03	40m	-11 / -	CG2C	- / +2	3	✓ Closing fragment
07-22 04:46	20m	- / -	R2DN	-13 / -	4	Partial capture
07-22 04:43	20m	- / -3	IZ1LBN	-3 / -	2	Partial capture
07-22 04:38	20m	-6 / -	9H4CM	- / -9	4	Partial capture
07-22 04:33	20m	-10 / -	9H4CM	- / -8	4	Partial capture
07-22 04:32	20m	-14 / -	UR4QWW	- / -	2	Partial capture
07-22 03:42	40m	-16 / -	YO4LUP	- / -3	2	✓ Closing fragment
07-22 03:41	40m	-16 / -	S55A	-18 / -9	3	✓ Closing observed
07-22 03:31	40m	-17 / -	W5R	- / -7	3	✓ Closing fragment
07-22 03:26	40m	-16 / -	PV8AJ	- / -1	4	✓ Closing fragment
07-22 03:22	40m	-15 / -12	UA3WG	-24 / -12	5	Partial capture
07-22 03:22	40m	-15 / -	UA3POG	-22 / -10	5	✓ Closing observed
07-22 03:21	40m	-16 / -	UW5ESX	- / -15	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m

UTC    dB Audio  Message
175930  +2  826  WP4U SV1AZL KM17 (x4)
180930  +0 2084  WP4U SV1PLR -14
123345 -11  536  WP4U ZS6BUJ RR73
151830 -13 1435  WP4U 7Q9BK RR73
202600 -14  725  WP4U SX0W KN10 (x2)
144545 -16 1183  WP4U PA1HGM -07 (x2)
144615 -17 1466  WP4U A71AE LL55 (x3)
144815 -15 1183  WP4U PA1HGM -08

20m

UTC    dB Audio  Message
185945 -13 2033  WP4U PD1ADA JO21 (x3)
190115 -15 1925  WP4U TM0BSM R+00 (x2)
190215 -17 2033  WP4U PD1ADA JO21
190215 -15 1925  WP4U TM0BSM R+00
190245 -11 2033  WP4U PD1ADA JO21
190245 -16 1925  WP4U TM0BSM R+00 (x3)
164615  -6  462  WP4U IK4LZH JN54 (x4)

40m

UTC    dB Audio  Message
003630  -3 2449  UN7PPV WP4U FK68
003700  -2 2449  US8KA WP4U FK68 (x2)
003815  -2 2450  WP4U IK6DLK JN63
003845  +0 1839  WP4U UZ5CA -10
003900  -3 2449  UZ5CA WP4U R+02
003915  +4 2219  WP4U UZ5CA RR73
003930  -4 2448  UZ5CA WP4U R+02
003945  +7 2218  WP4U UZ5CA RR73
004000  +1 2449  UZ5CA WP4U R+02
004015 +11 2218  WP4U UZ5CA RR73
004030  -6 2449  HC1BG WP4U FK68 (x4)

80m

UTC    dB Audio  Message
001400  +7  954  WP4U SP5GW KO12
001430  -8 1970  WP4U IK5CHL JN53
001430  -4  874  WP4U DL9ATW JO61
001430  +7  954  WP4U SP5GW KO12
001500  +5  874  WP4U DL9ATW JO61
001500  +8  954  WP4U SP5GW KO12
001530  -7  874  WP4U DL9ATW JO61 (x2)
001600  +7  954  WP4U SP5GW KO12
001630  -9 1970  WP4U IK5CHL JN53 (x3)
001730  +9  954  WP4U SP5GW KO12
010900 -24 1500  KM0T WP4U R+01 (x2)

Decoder S/N history by band

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