WB4TDH — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Locator transmitted in a decoded message: EL87

Receiver-side FT8 activity involving WB4TDH, decoded by SO8OO in southeastern Poland. 81 related FT8 messages, observed on 40m, 20m, 10m, across 17 UTC dates. Heard between 2026-04-21 and 2026-07-08.

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

Related messages

CQ messages

UTC dates heard

-5 dB

Mean decoder S/N

Bands

20m 40m 10m

First seen: 2026-04-21
Last seen: 2026-07-08 02:16 UTC

Frequent QSO partners observed at SO8OO

Stations WB4TDH worked most often, as logged from our receiver:

A99AA · Bahrain DL8ZBA · Fed. Rep. of Germany YO3APJ · Romania HA5LB · Hungary EP2AES · Iran 9K2ET · Kuwait LA1BR · Norway D44EC · Cape Verde DL1BSH · Fed. Rep. of Germany LZ9DX · Bulgaria DG2ZJ · Fed. Rep. of Germany HB9TIH · Switzerland

Activity Heatmap

Locator transmitted by WB4TDH

Approximate centre of EL87, decoded 2026-08-22 03:04 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	WB4TDH S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-22 03:01	20m	-22 / -	A99AA	- / -14	2	✓ Closing fragment
08-01 01:28	20m	-14 / -	EP2AES	- / -9	2	✓ Closing fragment
07-31 04:25	20m	-14 / -	OE8DDX	- / +5	2	Partial capture
07-31 03:23	20m	-14 / -	R3KLJ	- / -9	2	✓ Closing fragment
07-31 03:21	20m	-14 / -	LA1BR	- / -	2	✓ Closing fragment
07-08 04:13	20m	- / -9	HB9TIH	-21 / -	5	✓ Closing fragment
07-08 04:05	20m	- / -	HB9TIH	-21 / -	2	Partial capture
07-08 04:05	20m	- / -8	RA3ZK	-7 / -	2	✓ Closing fragment
07-08 04:03	20m	- / 0	R3GO	-8 / -	2	✓ Closing fragment
07-08 04:01	20m	- / +3	YO3APJ	-6 / -	2	✓ Closing fragment
07-07 04:22	20m	- / -20	DG2ZJ	+3 / -	9	✓ Closing fragment
06-27 01:57	20m	-6 / -	A99AA	- / -	2	Partial capture
06-26 04:11	20m	-16 / -	HA5LB	- / -12	2	✓ Closing fragment
06-24 04:48	20m	-15 / -	3A2MW	- / -21	3	Partial capture
06-24 04:47	20m	- / -	DH1JG	-11 / -	2	Partial capture
06-24 04:47	20m	-15 / -	DL1BSH	- / -13	3	✓ Closing fragment
06-24 04:41	20m	-16 / -	LZ9DX	- / -10	2	✓ Closing fragment
06-10 00:39	20m	-2 / -	9K2ET	-9 / -	3	✓ Closing observed
06-02 02:43	20m	-8 / -	YI5THA	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

20m

UTC    dB Audio  Message
041615 -16 1494  WB4TDH HB9TIH 73
020730 -13  838  9A3MRN WB4TDH R+07
030730 -10  839  OE8DDX WB4TDH EL87
032100 -15  839  LA1BR WB4TDH R+13 (x2)
032300 -13  839  R3KLJ WB4TDH R-09 (x2)
042530 -13  840  OE8DDX WB4TDH EL87 (x2)
044400 -17  839  YO8RXD WB4TDH -15
012830 -14  840  EP2AES WB4TDH R-09 (x2)
030100 -20 1814  A99AA WB4TDH R-14 (x2)
030400 -22 1814  8Z1IT WB4TDH EL87

10m

UTC    dB Audio  Message
204130 -16 1201  WB4TDH CP7DX +07
204200 -12 1201  WB4TDH RR73; DL3LST <...> -20
201630  +3 2653  WB4TDH D44EC RR73

Decoder S/N history by band

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