UB3LCO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: KO63

Receiver-side FT8 activity involving UB3LCO, decoded by SO8OO in southeastern Poland. 156 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, across 11 UTC dates in the available aggregate history. Observed between 2026-07-18 and 2026-08-29.

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 156 FT8 messages attributed to UB3LCO as the transmitting token by decoded message structure across 11 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (67%), followed by 80 m (32%) and 20 m (1%). Most decodes (96%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -11 dB.

Overview

156

Messages attributed

UTC dates decoded

Active 15-min windows

-11 dB

Estimated median S/N

Bands

80m · 50 40m · 104 20m · 2

First attributed message: 2026-07-18
Last attributed message: 2026-08-29 04:58 UTC

Observed FT8 message patterns

Attributed sample: 156 messages
Active dates: 11 UTC dates
Estimated median S/N: -11 dB
Estimated 10th-90th percentile: -19 to 0 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 39, moderate (-15 to -9 dB) 58, strong (≥ -8 dB) 59.

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 UB3LCO in decoded directed-looking exchanges:

R2AKN · European Russia ×2 RA3RPW · European Russia ×2 RL2F · Kaliningrad ×2 RM5F · European Russia ×2 OK1WCF · Czech Republic R4FDW · European Russia RU9CZ · Asiatic Russia RZ7KR · European Russia UA4COA · European Russia DL3MIB · Fed. Rep. of Germany R1WCK · European Russia R2ZR · European Russia

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 UB3LCO

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: KO63 · 58 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 866 km (approx.)
Last such locator decoded: 2026-08-29 04:58 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	UB3LCO S/N	Counterpart	Counterpart S/N	Msgs	Capture
08-29 04:57	40m	0 / -	RW3QJA	- / -	2	Partial capture
08-29 04:54	40m	-5 / -	EN35UKR	- / -17	3	Partial capture
08-12 19:13	80m	+1 / -	RJ3DC	-24 / -1	4	Partial capture
08-12 19:11	80m	0 / -	RQ3D	- / -8	2	Partial capture
08-12 19:10	80m	+2 / -	R8CKD	- / -17	2	✓ Closing fragment
08-12 05:01	20m	- / +8	UA4COA	-10 / -	2	✓ Closing fragment
08-08 15:56	40m	-15 / -6	R6ODX	-9 / -	3	✓ Closing observed
08-08 15:53	40m	-12 / -	UA9ZZ	- / -11	4	Partial capture
08-08 15:52	40m	-14 / -	R3MBV	-15 / -	2	✓ Closing observed
08-08 15:47	40m	-16 / -	UB4HVI	- / -18	2	Partial capture
08-08 15:38	40m	-11 / -	UB3ADO	- / -11	2	✓ Closing fragment
08-08 15:34	40m	-10 / -	RV3YR	-9 / +1	3	✓ Closing observed
08-08 15:27	40m	-14 / -	UB3KGW	- / -2	2	Partial capture
08-04 18:02	80m	-6 / -	RA9YTI	- / -	2	Partial capture
08-04 17:59	80m	-14 / -	UN8DSW	- / -	2	Partial capture
08-04 17:57	80m	-9 / -	UA1WCF	-3 / 0	4	✓ Closing observed
08-04 17:54	80m	-6 / -	R4RB	- / -8	3	✓ Closing fragment
08-04 17:52	80m	0 / -	UA1AEL	-3 / -5	3	✓ Closing observed
08-04 17:50	80m	+10 / -13	UA9FFV	-8 / -4	6	✓ Full exchange observed
08-04 17:47	80m	+1 / -	UA3RCW	- / -12	3	✓ Closing fragment
08-03 18:35	80m	-14 / -3	R1641AZ	+2 / +3	3	Partial capture
08-03 18:29	40m	-12 / -	UA9LLE	- / -11	4	✓ Closing fragment
08-03 17:40	40m	- / -6	DL3MIB	-7 / -	3	✓ Closing fragment
08-03 05:07	20m	- / +7	<...>	-16 / -	2	Partial capture
07-29 20:04	40m	- / -	DK8HC	-12 / -	2	Partial capture
07-29 20:03	40m	-9 / -	RA3RPW	- / -14	3	✓ Closing fragment
07-29 19:15	40m	-16 / 0	R5AV	-8 / +1	5	✓ Full exchange observed
07-29 19:10	40m	-12 / +6	R6DZE	-18 / -17	4	✓ Full exchange observed
07-29 19:08	40m	-10 / -	R9FF	- / -	2	Partial capture
07-29 19:00	40m	-14 / -4	RN5AA	-10 / +2	5	✓ Full exchange observed
07-29 18:48	40m	-16 / -	RA7Z	- / -6	3	✓ Closing fragment
07-29 18:45	40m	-6 / -	UB0SMX	- / -10	3	✓ Closing fragment
07-29 18:44	40m	-14 / -	UB6SAN	-18 / -	2	✓ Closing observed
07-29 18:34	40m	-14 / -	LZ2OQ	- / -	4	Partial capture
07-29 18:21	40m	-19 / -2	UA4AOC	-7 / -3	5	✓ Full exchange observed
07-29 18:19	40m	- / -	SV1ENG	-23 / -	2	✓ Closing fragment
07-29 18:18	40m	-15 / -	RZ5D	- / -	3	Partial capture
07-29 18:02	40m	-18 / -	R2ZR	- / -17	4	✓ Closing fragment
07-27 20:28	80m	-2 / -13	R2ARW	-10 / -9	5	✓ Full exchange observed
07-27 20:28	80m	-2 / -	R6ZEJ	+2 / -3	3	Partial capture
07-27 20:26	80m	-6 / -	RA3RPW	- / -8	3	✓ Closing fragment
07-27 19:04	80m	-5 / -	RM5F	+2 / -3	3	✓ Closing observed
07-27 19:02	80m	-7 / 0	SP5ALV	+11 / +3	7	✓ Full exchange observed
07-27 19:00	80m	-2 / +5	RA2FU	-8 / -8	5	✓ Full exchange observed
07-27 18:02	40m	-17 / -10	RM5F	-10 / -	3	✓ Closing observed
07-27 18:00	40m	-18 / -10	R6LFO	-16 / -	3	✓ Closing observed
07-27 12:56	20m	- / -8	RZ7KR	-6 / -	2	✓ Closing fragment
07-26 18:27	80m	-3 / +9	R2AKN	-10 / +3	5	✓ Full exchange observed
07-26 18:12	40m	-18 / -	R2AKN	-21 / -	2	✓ Closing observed
07-19 18:45	40m	- / -4	RA3VX	-14 / -	2	✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
155200 -14 1027  R3MBV UB3LCO RR73
155215 -15 1027  UB3LCO R3MBV 73
155315 -11 2311  UA9ZZ UB3LCO KO63 (x4)
155645  -7  887  UB3LCO R6ODX -06 (x2)
155730 -15  887  R6ODX UB3LCO 73
045230  -9 1863  UB6C UB3LCO KO63
045400  -7  993  EN35UKR UB3LCO KO63 (x3)
045745  +0  335  RW3QJA UB3LCO KO63 (x2)

80m

UTC    dB Audio  Message
175745  -3 2095  UB3LCO UA1WCF RR73
175800 -11 2095  UA1WCF UB3LCO 73
175915 -15 1175  UN8DSW UB3LCO KO63 (x2)
180215  -9 1460  RA9YTI UB3LCO KO63 (x2)
180515  -7 1434  R2GFD UB3LCO KO63
191045  +2 1496  R8CKD UB3LCO -17 (x2)
191145  +0 1496  RQ3D UB3LCO -08 (x2)
191330 -24 1498  UB3LCO RJ3DC KO95
191345  +2 1496  RJ3DC UB3LCO -01 (x3)

20m

UTC    dB Audio  Message
205645  +5  755  UB3LCO OK1WCF JO80 (x3)
205830 -23 1318  R4FDW UB3LCO 73
125600  -8  685  UB3LCO RZ7KR -08 (x2)
094145 -23 1549  RU9CZ UB3LCO 73
050745 -18 1713  UB3LCO <...> +07 (x2)
050130  -9  631  UB3LCO UA4COA +08 (x2)

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.

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