UA4FEN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO23

Receiver-side FT8 activity involving UA4FEN, decoded by SO8OO in southeastern Poland. 1,322 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, 10m, across 62 UTC dates. Heard between 2026-05-26 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

1,322

Related messages

CQ messages

UTC dates heard

-8 dB

Mean decoder S/N

Bands

80m 20m 40m 10m

First seen: 2026-05-26
Last seen: 2026-08-23 16:44 UTC

Frequent QSO partners observed at SO8OO

Stations UA4FEN worked most often, as logged from our receiver:

IQ0VT · Italy ×3 EW6CY · Belarus ×2 UE6RU · European Russia ×2 RA0AG · Asiatic Russia ×2 RZ6ALZ · European Russia ×2 UB3YGA · European Russia ×2 R2EA/P · European Russia ×2 DL4JTH · Fed. Rep. of Germany ×2 RL2Y · European Russia ×2 RK3AW · European Russia ×2 RA3WPF · European Russia ×2 EU4BE · Belarus ×2

Activity Heatmap

Locator transmitted by UA4FEN

Approximate centre of LO23, decoded 2026-08-13 18:15 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	UA4FEN S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 18:46	20m	+12 / -	SP3DT	- / +7	4	Partial capture
08-23 18:44	20m	+12 / -	EA8DOY	- / -15	4	Partial capture
08-23 18:43	20m	+15 / -5	F4NBB	-4 / -9	3	✓ Full exchange observed
08-23 18:41	20m	+17 / -	EB3DGJ/QRP	- / -14	4	Partial capture
08-23 18:40	20m	+9 / -	F4NBB	- / -8	2	Partial capture
08-23 18:38	20m	+8 / -1	PA2PAT	-11 / +5	6	✓ Full exchange observed
08-23 18:36	20m	+9 / -	SP5JEC	- / -	3	✓ Closing fragment
08-23 18:35	20m	+12 / -	YB7FII	- / -18	3	✓ Closing fragment
08-23 18:33	20m	+12 / -	SP8BBK	- / -8	3	Partial capture
08-23 18:30	20m	+6 / -	M9LCD	+2 / +2	4	✓ Full exchange observed
08-23 18:23	20m	+1 / -	DL6KIX	- / -8	4	✓ Closing fragment
08-23 06:49	20m	+8 / -	PD1AG	- / -14	4	Partial capture
08-23 06:48	20m	+1 / -3	DA1JK	-4 / -14	4	✓ Full exchange observed
08-23 06:47	20m	-1 / -	UB5O/P	- / -24	2	Partial capture
08-23 06:44	20m	+12 / -	VK5RA	- / -18	3	Partial capture
08-23 06:42	20m	+1 / -	UB5O/P	- / -20	3	Partial capture
08-23 06:39	20m	+2 / -16	DL5IF	-6 / -12	5	Partial capture
08-23 06:37	20m	+5 / -	IZ1LBD/QRP	- / -18	3	Partial capture
08-23 06:35	20m	+8 / -	IK4POB	- / -18	4	✓ Closing fragment
08-23 06:33	20m	0 / -	SM5EKJ	- / -11	4	Partial capture
08-23 06:31	20m	+6 / -	OH2DXB	- / +2	3	✓ Closing fragment
08-23 06:29	20m	+8 / -	DG4CG	- / -18	2	✓ Closing fragment
08-23 06:26	20m	+8 / -	DL7NP	- / -6	3	Partial capture
08-23 06:21	20m	+12 / +5	EA5JXP	-15 / -17	4	Partial capture
08-23 06:20	20m	+8 / -	IK4POB	- / -16	2	Partial capture
08-23 06:19	20m	-4 / -	SP9IMY	- / -9	2	✓ Closing fragment
08-23 06:17	20m	+12 / -	HB9TIH	- / -13	4	Partial capture
08-23 06:14	20m	+16 / -	IZ2RBR	- / -16	2	✓ Closing fragment
08-23 06:09	20m	+14 / -	IZ2RBR	- / -12	2	Partial capture
08-23 06:08	20m	+14 / -	EA4HBW	0 / -9	3	✓ Closing observed
08-23 06:07	20m	+10 / -	SP3FCK	- / -2	2	✓ Closing fragment
08-23 06:05	20m	+16 / -	I0KJX	- / -11	2	✓ Closing fragment
08-23 06:01	20m	+14 / -	F4LCB	- / -24	3	Partial capture
08-23 05:59	20m	+13 / -	IU4BJC	- / -5	3	Partial capture
08-23 05:57	20m	+13 / +1	LA6AFA	-9 / -1	5	Partial capture
08-23 05:56	20m	+14 / -	M6XZD	- / -6	2	✓ Closing fragment
08-23 05:53	20m	+11 / -	VK1HW	- / -17	6	Partial capture
08-23 05:52	20m	+8 / -	E74PA	- / -3	2	✓ Closing fragment
08-23 05:49	20m	+12 / -	EA4CO	- / -5	5	Partial capture
08-23 05:48	20m	+16 / -	SP9SOS	- / -8	2	✓ Closing fragment
08-23 05:46	20m	+16 / -	II7MGML	- / -24	3	Partial capture
08-23 05:44	20m	-2 / -	UA6LCF	- / -24	3	Partial capture
08-23 05:42	20m	+6 / -	G0COG	- / -7	2	✓ Closing fragment
08-23 05:40	20m	+10 / -	OK2MFD	- / +4	4	Partial capture
08-23 05:38	20m	+9 / -	OH2MWH	- / +4	3	Partial capture
08-23 05:35	20m	+11 / -	VK1HW	- / -9	3	Partial capture
08-23 05:33	20m	+10 / -	LZ2VQ	- / -2	4	Partial capture
08-23 05:31	20m	-9 / -	YL2IR	- / -6	3	Partial capture
08-23 05:26	20m	-19 / -	LA6AFA	- / -	2	Partial capture
08-23 05:20	20m	-13 / -8	K1CPJ	-12 / -	5	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
184115 +17  303  EB3DGJ/QRP UA4FEN -14 (x4)
184315 +15 1076  F4NBB UA4FEN -09
184330  -1 1076  UA4FEN F4NBB R-05 (x2)
184415 +15  814  EA8DOY UA4FEN -15 (x4)
184615 +14 1069  SP3DT UA4FEN +07 (x4)

40m

UTC    dB Audio  Message
172630  -2 1738  HA1LS UA4FEN -17
172715  -5 1737  UA4FEN HA1LS R+07
172815  -2 1107  UA4FEN OK1VCB R+02
172845  -7 1737  UA4FEN HA1LS R+07
172845  +0 1107  UA4FEN OK1VCB R+01
172900  -5 1106  OK1VCB UA4FEN RR73
172915  -7 1107  UA4FEN OK1VCB 73
172915 -10 1737  UA4FEN HA1LS R+07
172930  +3  537  IN3KXV UA4FEN -06 (x4)
051015 -13 1231  UA4FEN OZ1BLP R-11 (x3)

80m

UTC    dB Audio  Message
020830  +0  740  UA4FEN DL9KM JN68
174830  -8  523  RQ3D UA4FEN -15
175115 -16 2210  UA4FEN R0AH R-11 (x2)
175430 -24 1988  CQ UA4FEN LO23
175515  +4 2276  UA4FEN IQ4JO JN63
175530 -19 1988  UA9OR UA4FEN -11 (x4)
181545 -14  198  RI0FA UA4FEN LO23 (x3)
181800 -21 2040  UA4FEN YE4FNN OI37 (x2)

10m

UTC    dB Audio  Message
095600  -4  539  UA4FEN DO5SMD R+03 (x3)
100615 -21 2027  DO4NRW UA4FEN -15
100715 -21 2024  SQ2JSE UA4FEN -09
105045 -17  937  G0WCW UA4FEN -08 (x2)
105300 -24 1563  SP3PM UA4FEN -13
105645 -20 1226  LZ7VV UA4FEN +12
113545 -14 2368  UA4FEN SM5GRD 73
115400 -16 1427  UA4FEN DN9IL R-19 (x2)
121630 -22 1797  UA4FEN PD0OTH R-01 (x2)
101830 -21 1486  UA4FEN HB3YPW 73

Decoder S/N history by band

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