KA4UFM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States

Receiver-side FT8 activity involving KA4UFM, decoded by SO8OO in southeastern Poland. 67 related FT8 messages, observed on 60m, 40m, 20m, across 2 UTC dates. Heard between 2026-07-28 and 2026-08-20.

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

Related messages

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

40m 60m 20m

First seen: 2026-07-28
Last seen: 2026-08-20 05:00 UTC

Frequent QSO partners observed at SO8OO

Stations KA4UFM worked most often, as logged from our receiver:

EA1KCN · Spain IK4TVP · Italy F5NBU · France EA7BD · Spain IK6DLK · Italy IZ5SIH · Italy YO6LM · Romania OA4ENG · Peru IU1CYA · Italy PA1PXL · Netherlands IK2WSA · Italy DL3OCF · Fed. Rep. of Germany

Activity Heatmap

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	KA4UFM S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-20 06:57	20m	- / -	PD0WL	-7 / -	6	Partial capture
08-20 06:53	20m	- / -15	IS0AWZ	+6 / -	2	Partial capture
08-20 06:47	20m	- / -10	EA7BD	-12 / -	5	✓ Closing fragment
08-20 06:44	20m	- / -	DB7GE	0 / -	2	Partial capture
08-20 06:41	20m	- / -	DL8ZBA	-4 / -	3	Partial capture
08-20 06:40	20m	- / -3	IZ5SIH	-4 / -	3	✓ Closing fragment
08-20 06:39	20m	- / -12	DL3OCF	-6 / -	2	Partial capture
08-20 06:38	20m	-24 / -7	IK4TVP	-15 / -6	3	✓ Full exchange observed
08-20 06:37	20m	- / -15	IK2WSA	-10 / -	2	✓ Closing fragment
08-20 06:36	20m	- / -12	IU1CYA	+2 / -	3	✓ Closing fragment
08-20 06:30	20m	- / -	RD3FY	-17 / -	2	Partial capture
08-20 04:10	40m	- / -9	PA1PXL	-2 / -	2	✓ Closing fragment
08-20 04:10	40m	- / +5	OS4K	-21 / -	2	Partial capture
08-20 04:09	40m	- / -8	F5NBU	+13 / -	3	✓ Closing fragment
08-20 03:35	40m	- / -	US1CR	0 / -	2	Partial capture
08-20 03:34	40m	-20 / -	NE5TX	- / -	2	✓ Closing fragment
08-20 03:29	40m	- / -	R2EC	+10 / -	2	Partial capture
07-28 04:14	40m	- / -	DF3MC	-13 / -	6	Partial capture
07-28 04:11	40m	- / -10	DL3OCF	-2 / -	2	✓ Closing fragment
07-28 04:11	40m	- / -8	YO6LM	-6 / -	4	✓ Closing fragment
07-28 04:08	40m	- / -17	IK6DLK	-19 / -	3	✓ Closing fragment
07-28 04:08	40m	- / -16	YO2LGK	-12 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
064515  -2 2252  KA4UFM DB7GE JN39
064745  -9 1742  KA4UFM EA7BD IM77 (x3)
064845  +1 1077  KA4UFM DL3OCF -17
064915 -12 1742  KA4UFM EA7BD R-10 (x2)
065345  +6 1299  KA4UFM IS0AWZ -15 (x2)
065700  -6 2380  KA4UFM PD0WL JO21 (x6)

60m

UTC    dB Audio  Message
045830 -22 1423  KA4UFM EC3A -10

40m

UTC    dB Audio  Message
032900  +7 2671  KA4UFM R2EC KO82 (x2)
033345 -19 1873  SP4TKA KA4UFM RR73
033415 -19 1873  NE5TX KA4UFM +13 (x2)
033530  +1 2629  KA4UFM US1CR KN59 (x2)
034000 -18 1909  OA4ENG KA4UFM 73
040900 +15 2788  KA4UFM F5NBU JN28 (x2)
041000 -22 1931  KA4UFM OS4K +05
041000 +12 2788  KA4UFM F5NBU 73
041030  -1 2788  KA4UFM PA1PXL R-09
041100 -20 1932  KA4UFM OS4K +05
041100  -3 2788  KA4UFM PA1PXL 73

Decoder S/N history by band

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