UB2FEK — 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: Kaliningrad Most frequent locator attributed to this token: KO04

Receiver-side FT8 activity involving UB2FEK, decoded by SO8OO in southeastern Poland. 1,500 FT8 messages attributed to this token as transmitter, on 80m, 40m, across 29 UTC dates in the available aggregate history. Observed between 2026-07-05 and 2026-11-03.

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 1,500 FT8 messages attributed to UB2FEK as the transmitting token by decoded message structure across 29 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%), followed by 80 m (0%). Most decodes (97%) fell within the six-hour window 14:00-20:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (64%); the estimated median was -6 dB.

Overview

1,500

Messages attributed

UTC dates decoded

207

Active 15-min windows

-6 dB

Estimated median S/N

Bands

80m · 3 40m · 1,497

First attributed message: 2026-07-05
Last attributed message: 2026-11-03 15:27 UTC

Observed FT8 message patterns

Attributed sample: 1,500 messages
Active dates: 29 UTC dates
Estimated median S/N: -6 dB
Estimated 10th-90th percentile: -15 to +1.8 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 129, moderate (-15 to -9 dB) 416, strong (≥ -8 dB) 955.

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 UB2FEK in decoded directed-looking exchanges:

DJ9WJ · Fed. Rep. of Germany ×2 EU1FQ · Belarus ×2 G6MTI · England ×2 HB9CZF · Switzerland ×2 IZ3ZPO · Italy ×2 OE1TKS · Austria ×2 PD9HIX · Netherlands ×2 R6JC · European Russia ×2 RK1N · European Russia ×2 RM4N · European Russia ×2 RU3XW · European Russia ×2 RV3DKH · European Russia ×2

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 UB2FEK

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: KO04 · 819 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 510 km (approx.)
Last such locator decoded: 2026-11-03 15:22 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	UB2FEK S/N	Counterpart	Counterpart S/N	Msgs	Capture
11-03 16:38	40m	- / -	R1BQC	-6 / -	6	Partial capture
11-03 16:19	40m	- / -23	DL1BBO	-6 / -	3	✓ Closing fragment
11-03 16:19	40m	- / -	DL1DCT	-14 / -	2	Partial capture
11-03 15:32	40m	- / +6	R1FD	+11 / -	2	✓ Closing fragment
11-03 15:21	40m	-6 / -	5B4AAB	- / -	2	Partial capture
11-03 15:13	40m	-9 / -	EW6DM	- / -	2	Partial capture
11-03 15:11	40m	-9 / -	ER1XYZ	- / -	2	Partial capture
11-03 15:09	40m	-4 / -	DA1ST	-11 / -	2	✓ Closing observed
11-03 15:08	40m	-6 / -	OM7OM	- / -20	2	✓ Closing fragment
11-03 15:05	40m	-7 / -	UA9XL/P	-24 / -21	4	✓ Closing observed
11-03 15:05	40m	-8 / -5	HA5VQ	+6 / -	5	✓ Closing observed
11-03 15:04	40m	-6 / -	R8CKV	- / -16	3	✓ Closing fragment
11-03 15:02	40m	-3 / -2	R6NH	-13 / -8	5	✓ Full exchange observed
11-03 14:57	40m	-11 / -12	R1NBL	-8 / -	3	✓ Closing observed
11-03 14:54	40m	- / -	YL3AKH	+6 / -	2	Partial capture
10-30 15:37	40m	- / -	OH7WD	-3 / -	4	✓ Closing fragment
10-30 15:36	40m	- / -7	DK1HSI	-2 / -	2	Partial capture
10-30 15:36	40m	- / -9	SV2BWY	+6 / -	2	✓ Closing fragment
10-30 15:17	40m	-6 / -	RN6LRA	- / -	2	Partial capture
10-30 15:10	40m	-3 / -	R4HMI	- / -11	2	Partial capture
10-30 14:56	40m	-4 / -	JG3LGD	- / -17	3	✓ Closing fragment
10-30 14:54	40m	-6 / -4	RA4FEA	+1 / -5	5	✓ Full exchange observed
10-30 14:53	40m	-2 / -	R9JT	- / -	2	Partial capture
10-30 14:52	40m	-7 / -	DM2CNE	- / -7	2	✓ Closing fragment
10-30 14:50	40m	-3 / -	R6DYK	-4 / -	2	✓ Closing observed
10-30 14:49	40m	-2 / +5	HB9CZF	0 / -2	4	✓ Full exchange observed
10-30 14:47	40m	-2 / -	F1UNR	- / -	2	Partial capture
10-30 14:46	40m	-5 / -	R0AX	- / -14	2	✓ Closing fragment
10-30 14:44	40m	-5 / -	OH6CXP	- / -17	3	✓ Closing fragment
10-30 14:39	40m	-6 / +6	R2AL	0 / -8	8	✓ Full exchange observed
10-30 14:38	40m	-5 / -	UA3DTS	- / -2	2	✓ Closing fragment
10-30 14:32	40m	-3 / -	R8QA	- / -	2	Partial capture
10-30 14:31	40m	-4 / -	UA9CFH	- / -	2	Partial capture
10-28 15:54	40m	-13 / -12	RV3X	-10 / -15	5	✓ Full exchange observed
10-28 15:51	40m	- / -17	RC6YI	-12 / -	2	Partial capture
10-28 15:44	40m	- / -5	RA3DFQ	-13 / -	2	✓ Closing fragment
10-28 15:41	40m	- / -10	RM4N	-13 / -	4	✓ Closing fragment
10-28 15:39	40m	- / +1	UA3YFL	+2 / -	2	✓ Closing fragment
10-28 15:37	40m	- / -4	R3UCQ	-8 / -	2	✓ Closing fragment
10-26 16:49	40m	- / -6	RW3ZO	0 / -	3	✓ Closing fragment
10-21 18:05	40m	- / -10	RN3QTS	-6 / -	3	✓ Closing fragment
10-21 17:16	40m	- / -	R7CQ	-12 / -	2	Partial capture
10-21 17:06	40m	- / -3	IK2TDM	+9 / -	2	✓ Closing fragment
10-21 17:02	40m	- / -	PC2J	+8 / -	2	Partial capture
10-21 16:38	40m	- / -	LZ2WP	+3 / -	3	Partial capture
10-16 10:13	10m	- / -24	CR7CDR	-8 / -	2	Partial capture
10-12 17:46	40m	-24 / -	R1BMZ	-4 / -8	2	✓ Closing observed
10-12 17:18	40m	-7 / -3	RD6OX	+8 / -	2	Partial capture
10-12 17:15	40m	-6 / -	RV6LPO	-15 / -20	4	✓ Closing observed
10-12 17:14	40m	-6 / -	RD6OX	- / -	2	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
161915  -6 1433  UB2FEK SV5BYP RR73
161945 -12 1983  UB2FEK DL1DCT JO31
161945  -6  499  UB2FEK DL1BBO JO43
162015 -15 1983  UB2FEK DL1DCT JO31
162015  -6  499  UB2FEK DL1BBO R-23 (x2)
162215  -3 1493  UB2FEK SV5BYP 73
162830 -10 1744  UB2FEK RA3SO RR73
163800  -8 2737  UB2FEK R1BQC KP40 (x5)
164015 -22 1829  UB2FEK PD0MNO -07
164030  -6 2737  UB2FEK R1BQC KP40

10m

UTC    dB Audio  Message
101315  -6 1066  UB2FEK CR7CDR IM58 (x2)

80m

UTC    dB Audio  Message
194615  +4 2909  UB2FEK I1RJP JN45 (x7)
182315  -9 1591  UB2FEK RA2FCF -17 (x2)
182930 -24 2067  9A5E UB2FEK KO04
161730 -17 2471  RU3FM UB2FEK KO04
161830 -19 2471  CQ UB2FEK KO04
161845  -4 1666  UB2FEK LA4GHA JO59 (x3)

60m

UTC    dB Audio  Message
164315  +9 2919  UB2FEK SP7TAC JO91

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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