YU7ZZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN05

Receiver-side FT8 activity involving YU7ZZ, decoded by SO8OO in southeastern Poland. 2,110 related FT8 messages, 898 CQ messages, observed on 40m, 20m, 10m, across 28 UTC dates. Heard between 2026-04-21 and 2026-06-25.

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

2,110

Related messages

898

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-04-21
Last seen: 2026-06-25 03:47 UTC

Frequent QSO partners observed at SO8OO

Stations YU7ZZ worked most often, as logged from our receiver:

M0IEP · England ×7 RA3WJR · European Russia ×2 EA4GG · Spain UB6LBL · European Russia EA5LR · Spain DL1SA · Fed. Rep. of Germany F4HSB · France BD7NWF · China R3BCK · European Russia DL1MEV · Fed. Rep. of Germany PD0ONP · Netherlands IQ4JHE · Italy

Activity Heatmap

Locator transmitted by YU7ZZ

Approximate centre of KN05, decoded 2026-06-25 13:59 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	YU7ZZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
06-25 13:59	20m	-2 / -	C91RU	- / -	2	Partial capture
06-25 05:44	20m	-4 / -	OH2DUV	- / -22	2	Partial capture
06-25 05:38	20m	0 / -	EW7AS	-12 / -17	4	Partial capture
06-25 05:33	20m	0 / -	SP9D	- / -22	2	✓ Closing fragment
06-25 05:30	20m	+3 / -	UB3DLM	- / -20	3	✓ Closing fragment
06-25 05:27	20m	+5 / -	OH3BY	- / -11	3	✓ Closing fragment
06-25 05:24	20m	0 / -	PD2BS	- / -19	2	✓ Closing fragment
06-25 05:16	20m	-16 / -	S50RJ	-13 / -12	3	✓ Closing observed
06-25 05:13	20m	- / +8	F4MHR	-15 / -	3	Partial capture
06-25 05:11	20m	+1 / -	SP3JPC	- / -10	2	✓ Closing fragment
06-25 04:24	20m	- / -16	OE5FIL	-16 / -	2	Partial capture
06-25 04:17	20m	- / +2	S57BTI	-6 / -	2	✓ Closing fragment
06-25 03:27	20m	- / -7	DK4HM	-12 / -	3	✓ Closing fragment
06-25 02:09	20m	- / -	UX2LM	-17 / -	2	Partial capture
06-25 01:26	20m	-19 / -	WB2AZQ	- / -14	2	✓ Closing fragment
06-25 01:04	20m	-18 / -	9A3AUH	-6 / -18	3	✓ Closing observed
06-25 00:57	20m	-16 / -	KB2M	- / -7	2	✓ Closing fragment
06-25 00:00	20m	- / -	KB1G	-19 / -	2	✓ Closing fragment
06-24 21:07	20m	- / -12	G4SRT	-3 / -	2	✓ Closing fragment
06-24 21:02	20m	- / +4	M0QVE	-8 / -	4	✓ Closing fragment
06-24 20:44	20m	- / -10	M7OOT	-18 / -	4	Partial capture
06-24 20:44	20m	- / -	M5MOW	-11 / -	3	Partial capture
06-24 20:33	20m	- / -	R6ACY	-9 / -	2	✓ Closing fragment
06-24 20:31	20m	- / -	F8FQJ	-16 / -	2	Partial capture
06-24 19:32	20m	- / -	M0IEP	-16 / -	3	Partial capture
06-24 19:24	20m	- / -	M1DOX	-7 / -	3	Partial capture
06-24 19:09	20m	-15 / -	M0IEP	-11 / -5	4	✓ Closing observed
06-24 19:06	20m	-12 / -	SM4GLX	- / -9	2	Partial capture
06-24 18:41	20m	- / -4	M0IEP	-4 / -	5	✓ Closing fragment
06-24 18:37	20m	-4 / -	UR5XFP	- / -10	3	✓ Closing fragment
06-24 18:21	20m	-2 / -	EA5BH	- / +4	2	✓ Closing fragment
06-24 18:20	20m	0 / -	IQ4JHE	-15 / -13	3	✓ Closing observed
06-24 18:15	20m	-2 / -	G1LPS	-12 / -15	6	✓ Closing observed
06-24 18:12	20m	-6 / -	M0IEP	- / -	2	✓ Closing fragment
06-24 18:08	20m	-3 / -	SP2ENK	- / -24	3	Partial capture
06-24 18:06	20m	-3 / -	EA4GG	- / -24	2	✓ Closing fragment
06-24 18:02	20m	0 / -	M3EIR	- / -20	4	Partial capture
06-24 17:59	20m	-4 / -	G3ROY	- / -10	4	Partial capture
06-24 17:57	20m	-6 / -	EA5LR	- / +6	2	✓ Closing fragment
06-24 17:55	20m	-5 / -	DL1MGU	- / -15	2	✓ Closing fragment
06-24 17:48	20m	-8 / +4	IU3BIX	-2 / -6	5	✓ Full exchange observed
06-24 17:41	20m	- / -	9A6DQB	-10 / -	8	Partial capture
06-24 17:38	20m	-4 / -	UT3ED	- / -11	2	✓ Closing fragment
06-24 17:35	20m	-6 / -	UR7VU	- / -20	2	✓ Closing fragment
06-24 17:32	20m	-1 / -	M8KKH	- / -22	4	✓ Closing fragment
06-24 17:30	20m	-5 / -3	CT3MD	-7 / -	6	✓ Closing observed
06-24 16:21	20m	- / -	DL1R	-14 / -	2	Partial capture
06-24 16:06	20m	- / -	E70SZ	-4 / -	3	Partial capture
06-24 15:42	20m	- / -	PD9SD	-18 / -	2	Partial capture
06-24 15:31	20m	- / -	PA3MVD	-18 / -	5	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
054115  +2  833  CQ YU7ZZ KN05 (x6)
054415  -4  833  OH2DUV YU7ZZ -22 (x2)
054545  +1  833  CQ YU7ZZ KN05 (x5)
135915  -4  345  C91RU YU7ZZ KN05 (x2)

10m

UTC    dB Audio  Message
134900  -7  638  YU7ZZ DO3SK R+03 (x2)
135430  -2 2029  YU7ZZ DO4EB JN47 (x4)
140230 -10 1584  YU7ZZ G4XEE IO90 (x3)
141300  -9 1841  YU7ZZ DG2SAT JN48 (x3)
141700 -20 1988  YU7ZZ DL2VER 73
132730 -15 1065  YU7ZZ OH5LEP R-08 (x2)

Decoder S/N history by band

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