UB4HTD — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving UB4HTD, decoded by SO8OO in southeastern Poland. 1 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-09.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 1 FT8 messages attributed to UB4HTD as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The available sample contains attributed decodes on 40 m (100%). The sample is too small to infer a recurring UTC-hour or received-S/N pattern.

Overview

Messages attributed

UTC dates decoded

Active 15-min windows

S/N pattern not inferred

Bands

40m · 1

First attributed message: 2026-09-09
Last attributed message: 2026-09-09 15:40 UTC

Observed FT8 message patterns

Attributed sample: 1 messages
Active dates: 1 UTC dates
S/N summary: Too few decodes
S/N percentile sample: Too small
Recurring-pattern threshold: Not met

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with UB4HTD in decoded directed-looking exchanges:

R2EA · European Russia R2GBR · European Russia R2YW · European Russia R3KLE · European Russia R3WDW · European Russia R6JY · European Russia RK3YWA · European Russia RN3N · European Russia RN3TT · European Russia RU6K · European Russia RW2Z · European Russia UA3GDJ · European Russia

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	UB4HTD S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-20 14:54	40m	- / -10	RU4SS	-12 / -	2	Partial capture
09-20 14:53	40m	- / -	RU6K	+5 / -	2	✓ Closing fragment
09-20 14:49	40m	- / -6	RU6K	-1 / -	3	Partial capture
09-20 14:48	40m	- / -	EW4DX	+4 / -	2	Partial capture
09-20 14:48	40m	- / -7	UA3PQN	-11 / -	2	✓ Closing fragment
09-20 14:36	40m	- / -	RN3N	-16 / -	2	✓ Closing fragment
09-20 14:29	40m	- / -1	UA3GDJ	-6 / -	6	✓ Closing fragment
09-20 14:28	40m	- / -8	RW2Z	0 / -	3	✓ Closing fragment
09-20 14:23	40m	- / -12	RU6K	+8 / -	2	Partial capture
09-20 14:11	40m	- / 0	R3KLE	-7 / -	4	✓ Closing fragment
09-20 14:09	40m	- / -22	R6JY	-6 / -	2	✓ Closing fragment
09-20 14:06	40m	- / -4	R3WDW	+3 / -	2	✓ Closing fragment
09-20 13:56	40m	- / -	RZ6CO	-16 / -	2	Partial capture
09-20 13:56	40m	- / -5	RN3TT	-14 / -	2	✓ Closing fragment
09-20 13:53	40m	- / -7	R2YW	0 / -	3	✓ Closing fragment
09-09 15:44	40m	- / -	RL3QGD	-7 / -	2	Partial capture
09-09 15:43	40m	- / -13	R3KAB	-2 / -	2	Partial capture
09-09 15:42	40m	- / -	R3MBV	-8 / -	2	Partial capture
09-09 15:42	40m	- / -	RZ6L	+14 / -	5	Partial capture
09-09 15:40	40m	- / -	R7DX	+6 / -	11	Partial capture
09-09 15:40	40m	- / -8	R2EA	-3 / -	7	✓ Closing fragment
09-09 15:40	40m	- / -5	UA3GJM	-2 / -	2	Partial capture
09-09 15:39	40m	- / -	RW6ATD	+8 / -	7	Partial capture
09-09 15:38	40m	-19 / -7	RK3YWA	-3 / -	4	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
143245  -5 1959  UB4HTD UA3GDJ R-01 (x2)
143645 -15 2345  UB4HTD RN3N LO28 (x2)
144815 -16  628  UB4HTD UA3PQN R-07
144815  +4  773  UB4HTD EW4DX KO23
144845  -6  628  UB4HTD UA3PQN 73
144845  +3  773  UB4HTD EW4DX KO23
144945  -2  612  UB4HTD RU6K -06 (x5)
145415 -14 2255  UB4HTD RU4SS LO36 (x2)

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