YT1VDA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Serbia Locator transmitted in a decoded message: KN04

Receiver-side FT8 activity involving YT1VDA, decoded by SO8OO in southeastern Poland. 2,324 related FT8 messages, 889 CQ messages, observed on 80m, 40m, 20m, across 54 UTC dates. Heard between 2026-05-28 and 2026-08-24.

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

2,324

Related messages

889

CQ messages

UTC dates heard

-7 dB

Mean decoder S/N

Bands

80m 20m 40m

First seen: 2026-05-28
Last seen: 2026-08-24 04:57 UTC

Frequent QSO partners observed at SO8OO

Stations YT1VDA worked most often, as logged from our receiver:

GJ0KYZ · Jersey ×3 RA3Y · European Russia ×3 SQ8AZT · Poland ×2 DJ3HW · Fed. Rep. of Germany ×2 IN3IZQ · Italy ×2 SN4K · Poland ×2 R2EA · European Russia ×2 TM2WWA · France ×2 IW0RGU · Italy ×2 LZ1QZ · Bulgaria ×2 IK4RVY · Italy ×2 IZ8EYN · Italy ×2

Activity Heatmap

Locator transmitted by YT1VDA

Approximate centre of KN04, decoded 2026-08-24 06:54 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	YT1VDA S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-24 06:56	20m	-12 / -13	SV1PLR	-8 / -	3	✓ Closing observed
08-24 06:54	20m	-8 / -10	DK6WH	-1 / -5	4	✓ Full exchange observed
08-24 06:53	20m	-14 / -	RA3Y	- / +1	3	✓ Closing fragment
08-24 06:44	20m	-12 / -	IS0AFM	- / -	3	Partial capture
08-24 06:41	20m	-10 / -9	DJ3HW	+10 / -14	6	✓ Full exchange observed
08-24 06:36	20m	-11 / -	R6LQU	-12 / 0	6	✓ Closing observed
08-24 06:33	20m	-17 / -19	HB9EXE	-3 / -15	5	✓ Full exchange observed
08-24 06:32	20m	- / -	F4BYA	+7 / -	3	Partial capture
08-24 05:47	20m	- / -	F4BYA	-2 / -	3	Partial capture
08-23 20:16	20m	- / -7	4Z5MY	+10 / -	3	Partial capture
08-23 19:44	20m	- / -14	EC3A	+4 / -	4	✓ Closing fragment
08-23 19:40	20m	- / -13	EI4JFB	-8 / -	4	✓ Closing fragment
08-23 15:31	20m	- / -	PD5N	-8 / -	2	✓ Closing fragment
08-23 15:15	20m	- / -	IW5ALZ	-10 / -	3	Partial capture
08-23 15:13	20m	- / -	M0SCK	-15 / -	3	Partial capture
08-23 13:55	20m	- / -	G7LHK	-5 / -	6	Partial capture
08-23 13:55	20m	-10 / -16	M0PFX	-9 / -17	6	Partial capture
08-23 13:53	20m	-12 / -	DJ1TU	-5 / +1	4	✓ Closing observed
08-23 13:53	20m	- / -	M8CMG	-11 / -	2	Partial capture
08-23 13:52	20m	-7 / -	DA1EA	+14 / -	6	✓ Full exchange observed
08-23 13:51	20m	-8 / -14	EB1DJ	-6 / -5	5	✓ Full exchange observed
08-23 13:20	20m	-3 / +5	F1FPM	-5 / -6	3	✓ Full exchange observed
08-23 13:18	20m	-2 / -	LA6RJA	- / -12	4	Partial capture
08-23 13:09	20m	-3 / -7	F1UNR	+3 / -	8	Partial capture
08-23 11:50	20m	- / -	M0EGG	-8 / -	4	✓ Closing fragment
08-23 11:48	20m	- / -12	OZ9FF	-4 / -	6	✓ Closing fragment
08-23 11:47	20m	- / -	DL5KMR	-9 / -	4	Partial capture
08-23 11:46	20m	- / -	IK4LZH	+18 / -	4	Partial capture
08-23 11:46	20m	- / -13	PD0PWH	-12 / -	4	✓ Closing fragment
08-23 11:42	20m	- / -	PA0LDE	+6 / -	5	Partial capture
08-22 18:53	20m	- / -	F4BYA	+2 / -	4	Partial capture
08-21 07:20	20m	- / -	DL1R	+2 / -	9	Partial capture
08-21 07:17	20m	-11 / -11	F4LPO	-16 / -19	6	✓ Full exchange observed
08-21 07:15	20m	- / -8	4X4DK	+1 / -	3	✓ Closing fragment
08-21 06:52	20m	-12 / -	OE5CCN	- / -	2	Partial capture
08-21 06:50	20m	-7 / -	TA4INO	- / -	4	Partial capture
08-21 06:47	20m	-11 / -4	IZ6BYS	-2 / -	4	✓ Full exchange observed
08-21 06:46	20m	-12 / -9	UZ5CA	-1 / +3	6	✓ Full exchange observed
08-21 06:42	20m	-16 / -	YL3FO	- / -9	3	Partial capture
08-21 06:40	20m	-14 / -	UR5FS	-1 / -4	4	Partial capture
08-21 06:40	20m	-11 / -	5P1KZX	- / -1	3	✓ Closing fragment
08-21 06:37	20m	-8 / -	G1CSO	- / -17	4	Partial capture
08-21 05:34	20m	- / -	9H1FJ	-3 / -	4	Partial capture
08-20 06:03	20m	-14 / -11	OK1VRV	-9 / +6	7	✓ Full exchange observed
08-19 11:00	20m	- / -15	G7EVY	-24 / -	2	Partial capture
08-19 10:54	20m	- / -12	RA4CEH/P	-19 / -	3	✓ Closing fragment
08-19 10:44	20m	- / -13	I4KYO	-20 / -	2	Partial capture
08-19 10:39	20m	- / +6	PE1MTT	-16 / -	3	✓ Closing fragment
08-19 10:34	20m	- / -9	M7JVT	-14 / -	2	✓ Closing fragment
08-19 10:12	20m	- / -	R4FDW	-14 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
064345 -14 1649  CQ YT1VDA KN04
064415 -13 1648  IS0AFM YT1VDA KN04 (x3)
065230  -9 1647  TA7AO YT1VDA KN04
065300 -12 1647  RA3Y YT1VDA KN04 (x3)
065430  -8 1647  DK6WH YT1VDA KN04
065445  -4 1383  YT1VDA DK6WH -10
065500  -7 1647  DK6WH YT1VDA R-05
065515  +2 1383  YT1VDA DK6WH RR73
065645 -11 2306  YT1VDA SV1PLR -13 (x2)
065730 -12 1647  SV1PLR YT1VDA 73

40m

UTC    dB Audio  Message
200000  -8 1434  IU7DLD YT1VDA RR73
200030  -7 1434  M0LEX YT1VDA KN04 (x3)
191900 -17 1534  CQ YT1VDA KN04
191915  -5  437  YT1VDA IK4LZH JN54
191930 -20 1534  CQ YT1VDA KN04
191945  -2  437  YT1VDA IK4LZH JN54
191945 -11 1297  YT1VDA HA5AZD JN97
192015  -1  437  YT1VDA IK4LZH JN54
192015 -12 1299  YT1VDA HA5AZD R+03
192030 -18 1535  HA5AZD YT1VDA RR73
192045  -4  437  YT1VDA IK4LZH JN54
192045  -7 1302  YT1VDA HA5AZD 73
192100 -16 1535  8Z1IT YT1VDA -14

80m

UTC    dB Audio  Message
213700  +6 1441  EA4BPO YT1VDA 73
213730  +8 1441  CQ YT1VDA KN04
184415  -4 1560  R3DMS YT1VDA KN04
184515  -9 1455  UA3VVA YT1VDA KN04 (x4)
184815  -6 1455  RV9FF YT1VDA -08
184915  -5 1455  DO1MYK YT1VDA KN04 (x3)
185115  -6 1514  CQ YT1VDA KN04 (x4)

Decoder S/N history by band

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