UA3UBT — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: LO06

Receiver-side FT8 activity involving UA3UBT, decoded by SO8OO in southeastern Poland. 301 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 30 UTC dates in the available aggregate history. Observed between 2026-06-10 and 2026-11-05.

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 301 FT8 messages attributed to UA3UBT as the transmitting token by decoded message structure across 30 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (50%), followed by 80 m (20%) and 10 m (16%). Most decodes (74%) fell within the six-hour window 04:00-10:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

301

Messages attributed

UTC dates decoded

Active 15-min windows

-9 dB

Estimated median S/N

Bands

80m · 61 40m · 152 20m · 39 10m · 49

First attributed message: 2026-06-10
Last attributed message: 2026-11-05 05:13 UTC

Observed FT8 message patterns

Attributed sample: 301 messages
Active dates: 30 UTC dates
Estimated median S/N: -9 dB
Estimated 10th-90th percentile: -17 to +1 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 55, moderate (-15 to -9 dB) 103, strong (≥ -8 dB) 143.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with UA3UBT in decoded directed-looking exchanges:

RM5F · European Russia ×2 UB3ADO/P · European Russia ×2 9H4JX · Malta C5R · The Gambia EW4DX · Belarus F4BYA · France GJ0KYZ · Jersey OA4ENG · Peru PQ5TA · Brazil R1QAV · European Russia R2EA/P · European Russia R2FDP · Kaliningrad

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to UA3UBT

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator: LO06 · 182 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,465 km (approx.)
Last such locator decoded: 2026-11-05 05:13 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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	UA3UBT S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-05 05:12	40m	-8 / -	UA9XL/P	- / -24	4	Partial capture
10-29 05:18	40m	-9 / +1	R6ZCE	-11 / -1	6	✓ Full exchange observed
10-28 05:18	40m	-16 / +1	RC9WC	-6 / -	3	✓ Closing observed
10-28 05:15	40m	-15 / -	R6LEK	-13 / -4	2	✓ Closing observed
10-28 05:14	40m	- / -14	GM6URC	-18 / -	2	Partial capture
10-28 05:13	40m	- / -	M9PAS	-9 / -	2	Partial capture
10-28 05:12	40m	-17 / -	R2FDP	- / -	3	✓ Closing fragment
10-28 04:24	40m	-12 / +1	GJ0KYZ	0 / -5	4	✓ Full exchange observed
10-28 04:22	40m	-6 / -	9H4JX	- / -19	4	✓ Closing fragment
10-28 04:20	40m	-8 / -	TF4M	- / -13	3	✓ Closing fragment
10-27 05:33	40m	- / -3	R6FMK	-16 / -	4	✓ Closing fragment
10-27 05:31	40m	-14 / +9	R3KLE	-6 / +4	3	Partial capture
10-26 17:12	80m	- / -	DO5AX	-21 / -	3	Partial capture
10-26 17:09	80m	0 / -	RC6BB	- / -18	4	✓ Closing fragment
10-26 17:05	80m	+2 / -10	RM5F	-2 / -	5	✓ Closing observed
10-26 17:05	80m	-4 / -1	UA4LCC	-17 / +8	5	✓ Full exchange observed
10-26 17:03	80m	+6 / -	R3KNL	- / -23	3	✓ Closing fragment
10-26 17:02	80m	+3 / +6	RV3X	+1 / -	4	✓ Closing observed
10-26 17:01	80m	0 / -	R4HMI	-23 / 0	4	✓ Closing observed
10-26 16:59	80m	-2 / +5	R3DFS	-12 / +10	7	✓ Full exchange observed
10-26 16:58	80m	-9 / -	RW9MZ	- / -11	3	✓ Closing fragment
10-26 16:32	80m	-12 / -	RA9YJU	- / -10	5	✓ Closing fragment
10-26 16:30	80m	-8 / -5	RA3M	-8 / -	3	✓ Closing observed
10-26 16:29	80m	-10 / -	R8QA	- / -4	2	✓ Closing fragment
10-26 16:24	80m	-15 / -	RX9CN	- / -	7	Partial capture
10-26 16:17	80m	-24 / -	XX9TXN	- / -	3	Partial capture
10-26 16:14	80m	-13 / -	RD0L/P	- / +6	3	Partial capture
10-26 16:02	40m	-13 / -	XX9TXN	- / -	3	Partial capture
10-26 15:57	40m	-10 / -	RD0L/P	- / -	2	Partial capture
10-26 05:56	40m	-8 / -	RV3X	- / -	2	Partial capture
10-26 05:54	40m	-2 / -	F4MOJ/P	- / -11	2	Partial capture
10-23 04:28	80m	+3 / -	UA3IKI	- / -	3	Partial capture
10-22 05:29	40m	-9 / -	R7CA/6	- / 0	3	Partial capture
10-22 05:28	40m	-9 / -	RA9XAF	- / -14	3	✓ Closing fragment
10-22 05:26	40m	-9 / -	DP75BAC	- / -2	3	Partial capture
10-22 05:24	40m	-12 / -	R9FGJ	- / -7	2	✓ Closing fragment
10-22 05:21	40m	-16 / -	C5R	- / -21	4	✓ Closing fragment
10-22 05:17	40m	-7 / -	R9FGJ	- / -13	2	Partial capture
10-22 05:11	40m	-2 / -2	TO4A	+5 / -6	14	✓ Full exchange observed
10-22 05:08	40m	-16 / -	C5R	- / -	3	Partial capture
10-22 04:21	40m	-12 / -	TO4A	- / -	3	Partial capture
10-20 05:38	40m	-18 / -	SP/DG1HVL/P	- / +4	2	Partial capture
10-14 05:52	40m	-14 / -	RA7E/P	- / -10	2	Partial capture
10-14 05:50	40m	- / -	M0CKX	-18 / -	3	Partial capture
10-14 05:44	40m	-16 / 0	EW4DX	-4 / +10	6	✓ Full exchange observed
10-14 05:40	40m	-15 / -10	PQ5TA	-17 / -	5	✓ Closing observed
10-06 04:39	40m	-6 / -	OA4DSN	- / -	7	Partial capture
10-06 04:33	40m	-6 / -	C5R	- / -	12	Partial capture
10-06 04:23	40m	-6 / -	C5R	- / -	12	Partial capture
10-06 04:23	40m	- / -	RA1QCX	-14 / -	4	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
051545 -18 1729  UA3UBT GM6URC -14
051630 -13 1960  SQ2BXI UA3UBT -16
051845  -3  994  UA3UBT RC9WC +01 (x2)
051930 -16 1960  RC9WC UA3UBT 73
051830  -8 1307  R6ZCE UA3UBT LO06 (x2)
051945 -10  508  UA3UBT R6ZCE +01
052000 -11 1307  R6ZCE UA3UBT R-01
052015 -12  508  UA3UBT R6ZCE RR73
052030  -7 1307  R6ZCE UA3UBT 73
051215  -9 1406  UA9XL/P UA3UBT LO06 (x4)

80m

UTC    dB Audio  Message
170530 -17  945  UA3UBT UA4LCC R-01
170545  -6 2325  UA4LCC UA3UBT RR73
170600 -16  945  UA3UBT UA4LCC 73
170600  -1  873  UA3UBT RM5F KO85 (x2)
170645  +2 2325  RM5F UA3UBT RR73
170700  -3  873  UA3UBT RM5F 73
170745  -4 2325  R3PLA UA3UBT RR73
170900  +2 2325  RC6BB UA3UBT LO06 (x4)
171230 -20 2162  UA3UBT DO5AX JO52 (x3)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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