K4YT — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: FM19

Receiver-side FT8 activity involving K4YT, decoded by SO8OO in southeastern Poland. 2,726 related FT8 messages, 191 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 72 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

2,726

Related messages

191

CQ messages

UTC dates heard

-6 dB

Mean decoder S/N

Bands

80m 20m 40m 60m 10m

First seen: 2026-05-25
Last seen: 2026-08-23 19:58 UTC

Frequent QSO partners observed at SO8OO

Stations K4YT worked most often, as logged from our receiver:

PT2TD · Brazil ×3 F1PBZ · France ×3 EG5SUN · Spain ×3 VA2GLC · Canada ×3 K0WLY · United States ×3 OM5JG · Slovak Republic ×3 W0C · United States ×2 M8KKH · England ×2 DL5LV · Fed. Rep. of Germany ×2 K2IY · United States ×2 MI7XHT · Northern Ireland ×2 N0WOK · United States ×2

Activity Heatmap

Locator transmitted by K4YT

Approximate centre of FM19, decoded 2026-08-22 03:10 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	K4YT S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-23 21:55	20m	- / -17	UR5FLF/MM	-3 / -	6	Partial capture
08-23 21:15	20m	- / -16	W3FOX	+3 / -	3	Partial capture
08-23 05:55	40m	- / -14	DA2DA	-14 / -	2	✓ Closing fragment
08-23 05:48	40m	- / -16	DM2BM	0 / -	2	✓ Closing fragment
08-23 05:32	40m	- / -18	E78W	+2 / -	2	Partial capture
08-23 05:21	40m	- / -7	IU5JHK	-7 / -	2	✓ Closing fragment
08-23 05:10	40m	- / 0	IS0AWZ	-14 / -	3	✓ Closing fragment
08-23 04:29	40m	- / -5	ON6WP	-11 / -	2	✓ Closing fragment
08-23 04:23	40m	- / -4	F5LWD	-8 / -	6	✓ Closing fragment
08-23 04:20	40m	-23 / -7	PD0PY	-16 / -	2	Partial capture
08-23 04:16	40m	- / -17	DJ3AA	-6 / -	2	✓ Closing fragment
08-23 04:10	40m	-16 / -	K8CWB	- / -	3	Partial capture
08-23 03:50	40m	-6 / -4	PA4PA	+6 / -8	4	✓ Full exchange observed
08-23 03:48	40m	-9 / -	KE9EMF	- / -	2	✓ Closing fragment
08-23 03:46	40m	- / -	EA5HM	-8 / -	4	Partial capture
08-23 03:46	40m	-4 / -	TI3GB	- / -21	4	✓ Closing fragment
08-23 03:45	40m	- / -	IU0NAD	-2 / -	3	Partial capture
08-23 03:45	40m	-20 / -9	US8KA	0 / -	3	✓ Closing observed
08-23 03:42	40m	-12 / -14	IU1HKD	+10 / -16	9	✓ Full exchange observed
08-23 03:37	40m	-14 / -	ON5VN	- / -7	4	✓ Closing fragment
08-23 03:33	40m	-11 / -	AI6HT	- / -7	3	✓ Closing fragment
08-23 03:30	40m	-20 / -	KT7T	- / -	3	Partial capture
08-23 03:28	40m	- / -9	DL3PWR	-20 / -	2	✓ Closing fragment
08-23 03:20	40m	-10 / -	TN8GD	- / -18	3	✓ Closing fragment
08-23 03:15	60m	- / -21	LA9CAA	-8 / -	2	✓ Closing fragment
08-23 03:12	60m	- / -20	OZ1KEF	-6 / -	2	✓ Closing fragment
08-22 06:23	40m	- / -24	IK4IDY	-15 / -	4	✓ Closing fragment
08-22 03:24	80m	- / -	F4FPR	-19 / -	3	Partial capture
08-22 03:07	60m	-10 / -8	M0LOW	-8 / -	2	Partial capture
08-22 03:03	60m	-22 / -15	SP1ZMO	+1 / -	5	✓ Closing observed
08-22 03:00	60m	- / -6	OM5JG	+6 / -	5	✓ Closing fragment
08-21 06:36	40m	- / -12	DF5AU	0 / -	4	✓ Closing fragment
08-21 06:28	40m	- / -18	DK8WQ	-6 / -	2	Partial capture
08-21 06:19	40m	- / -8	ON4VMA	-20 / -	2	✓ Closing fragment
08-21 06:17	40m	- / +3	ON3ANY	-7 / -	9	Partial capture
08-21 05:53	40m	- / -12	HB9CIC	-8 / -	2	✓ Closing fragment
08-21 05:46	40m	- / -19	DL5EBS	-9 / -	4	Partial capture
08-21 05:40	40m	- / -6	F5LRU	-10 / -	2	✓ Closing fragment
08-21 05:31	40m	- / -	SP3PLD	-5 / -	7	Partial capture
08-21 05:04	40m	- / -10	DL2DBI	-2 / -	2	✓ Closing fragment
08-21 04:37	40m	- / -3	F1APY	-6 / -	4	✓ Closing fragment
08-21 04:33	40m	- / -	PD1ROS	-4 / -	3	Partial capture
08-21 04:32	40m	- / -5	DL8TT	-10 / -	2	✓ Closing fragment
08-21 04:17	40m	- / -18	SV2AOB	+6 / -	2	✓ Closing fragment
08-21 04:14	40m	- / -	IZ2QPP	-8 / -	2	Partial capture
08-21 04:08	40m	- / -11	F4CVQ	+2 / -	2	✓ Closing fragment
08-21 03:51	40m	-5 / -	N7ZX	- / -8	3	✓ Closing fragment
08-21 03:46	40m	-16 / -	W6SRP	- / -13	3	Partial capture
08-21 03:38	40m	-19 / -9	MM0KQC	-20 / -	3	✓ Closing observed
08-21 03:37	40m	-19 / -1	F4EDB	-17 / +4	3	✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
060200  -9 1187  K4YT DK4FJ -05
063345  +5 2253  K4YT DB7GE -21 (x2)
063615  -1 2684  K4YT F5MOO -13 (x2)
210130  -3 2704  K4YT ON4CJU -24
211530  +4  976  K4YT W3FOX -16 (x3)
215500  -7  789  K4YT UR5FLF/MM -17 (x6)

40m

UTC    dB Audio  Message
042700 -11 1229  K4YT F5LWD RR73
042930  -8 2010  K4YT ON6WP -05 (x2)
045900  -7 2089  K4YT PA3BUD JO21
051015 -13 1365  K4YT IS0AWZ +00 (x3)
052115  -9 1793  K4YT IU5JHK -07 (x2)
053215  +2  885  K4YT E78W -18 (x2)
054830  -3 2159  K4YT DM2BM -16 (x2)
055530 -15 2029  K4YT DA2DA -14 (x2)

60m

UTC    dB Audio  Message
030330 -24 1890  WA0YPC K4YT -03
030345  -3 1891  K4YT SP1ZMO JO73
030345  +4 2423  K4YT YO3CWC KN25
030415  +1 1891  K4YT SP1ZMO JO73 (x2)
030500 -22 1891  SP1ZMO K4YT RR73
030700 -10  530  M0LOW K4YT FM19
030745  -8  531  K4YT M0LOW -08
030800 -12  731  AA7ND K4YT FM19
030930 -11  731  CQ K4YT FM19 (x2)
031200  -4 2347  K4YT OZ1KEF -20 (x2)
031515  -8 1826  K4YT LA9CAA -21 (x2)

80m

UTC    dB Audio  Message
044830  -8  804  K4YT DL2IAC JN49 (x9)
051630 -21  744  K4YT F1RHS JN03
040230 -24 1904  K4YT HB9MZI JN49
030215  -3 2353  K4YT DK0RPO JN49
032430 -20 1375  K4YT F4FPR IN88 (x3)

10m

UTC    dB Audio  Message
143315 -12 1054  K4YT PD7RF -21 (x8)
135730  -7  392  K4YT F9SS JN18
154630 -20 1687  K4YT EA8AQP -15
150315 -11  488  K4YT IK4LZH JN54 (x4)
172230  -7 1989  K4YT IZ7UIU JN80

Decoder S/N history by band

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