UB6HJZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: LN04

Receiver-side FT8 activity involving UB6HJZ, decoded by SO8OO in southeastern Poland. 430 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 45 UTC dates in the available aggregate history. Observed between 2026-06-06 and 2026-09-11.

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 430 FT8 messages attributed to UB6HJZ as the transmitting token by decoded message structure across 45 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (51%), followed by 20 m (33%) and 80 m (11%). Several six-hour UTC windows tied for the largest share (80%), so no unique busiest interval is claimed. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

430

Messages attributed

UTC dates decoded

110

Active 15-min windows

-9 dB

Estimated median S/N

Bands

80m · 46 40m · 218 20m · 144 10m · 22

First attributed message: 2026-06-06
Last attributed message: 2026-09-11 03:18 UTC

Observed FT8 message patterns

Attributed sample: 430 messages
Active dates: 45 UTC dates
Estimated median S/N: -9 dB
Estimated 10th-90th percentile: -20 to +2 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 113, moderate (-15 to -9 dB) 107, strong (≥ -8 dB) 210.

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 UB6HJZ in decoded directed-looking exchanges:

UA3AGW · European Russia ×2 RX9WN · Asiatic Russia Z62NS · Republic of Kosovo OE8DDX · Austria RA9LL · Asiatic Russia R4HLO · European Russia OZ7FOC · Denmark CT1BFP · Portugal CS8ABF · Azores SQ6ELK · Poland LA2GCA · Norway RC9WC · Asiatic 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 UB6HJZ

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: LN04 · 264 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,566 km (approx.)
Last such locator decoded: 2026-09-11 03:17 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	UB6HJZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-11 03:02	40m	-6 / -	YO8CNA	- / -	2	Partial capture
09-11 03:00	40m	-11 / -5	MW0USK	-12 / -17	5	✓ Full exchange observed
09-11 02:57	40m	-3 / -	F4AHJ	- / -9	3	✓ Closing fragment
09-11 02:50	40m	-4 / -	R8OAE	- / -	2	Partial capture
09-11 02:47	40m	-3 / -	R1DM	- / -16	2	✓ Closing fragment
09-11 02:42	40m	0 / 0	RY4D	-8 / -1	5	✓ Full exchange observed
09-11 02:40	80m	-6 / -	Z62NS	- / -	2	Partial capture
09-11 02:34	80m	-4 / -	TF3VS	- / -	3	Partial capture
09-11 02:32	80m	-2 / -	Z62NS	- / -	3	Partial capture
09-11 02:28	80m	0 / -8	OE8DDX	+10 / -5	5	✓ Full exchange observed
09-11 02:26	80m	-2 / -6	SQ6ELK	+6 / -6	4	✓ Full exchange observed
09-11 02:24	80m	-6 / -9	RX6DA	+6 / -3	4	✓ Full exchange observed
09-11 02:21	80m	+1 / -6	DL5DQZ	-5 / -11	6	✓ Full exchange observed
09-11 02:20	80m	- / -	DK1MCS	+1 / -	2	Partial capture
09-10 02:52	40m	0 / -11	EH3PDA	-5 / -17	6	✓ Full exchange observed
09-10 02:47	40m	+4 / -	6Y5HN	- / -	5	Partial capture
09-10 02:42	40m	+3 / -	HA8LD	- / -18	4	✓ Closing fragment
09-10 02:39	40m	+6 / -	SP7ENZ	- / -5	3	✓ Closing fragment
09-10 02:37	40m	+2 / -	SM7PNV	- / -7	3	✓ Closing fragment
09-10 02:35	40m	+5 / -	Z68PX	- / -15	3	✓ Closing fragment
09-10 02:34	40m	-14 / -12	G5STU	-4 / -17	4	✓ Full exchange observed
09-10 02:21	40m	- / +1	RC9WC	-8 / -	2	✓ Closing fragment
09-09 03:31	40m	-19 / -	DJ9BX	- / -9	3	✓ Closing fragment
09-09 03:29	40m	-11 / +2	RA6ABO	-6 / -6	4	✓ Full exchange observed
09-09 02:51	40m	-16 / -	DL3RAJ	- / -20	2	Partial capture
09-08 18:02	40m	-5 / -11	RN3RHQ	-14 / -	3	Partial capture
09-05 03:52	40m	-6 / -13	RA6HN	-11 / -17	3	✓ Full exchange observed
09-05 03:49	40m	- / -8	R73SLET	-8 / -	2	Partial capture
09-05 03:47	40m	-4 / -	SP9DPM/P	- / -11	3	Partial capture
09-05 03:44	40m	-7 / -	RC6D	- / -	2	Partial capture
09-04 03:01	40m	-10 / -	WF2A	- / -	3	Partial capture
09-04 02:54	40m	-14 / -	RA4CX	- / -	2	Partial capture
09-04 02:45	40m	-13 / -21	OZ7FOC	-18 / -21	4	✓ Full exchange observed
09-04 02:40	40m	-14 / -	HF100PKP	- / -	2	Partial capture
09-04 02:30	40m	-14 / -9	EG1PPE	-12 / -	2	Partial capture
09-04 02:26	40m	-7 / -	KK7UXY	- / -	2	Partial capture
09-04 02:23	40m	-18 / -	YO9IBC	- / -12	4	✓ Closing fragment
09-03 02:50	40m	-10 / -	K4YT	- / -	2	Partial capture
09-03 02:47	40m	-14 / -	R4CF	- / -10	2	✓ Closing fragment
09-03 02:45	40m	-14 / -	K4YT	- / -	2	Partial capture
09-03 02:34	40m	-9 / -	PA3DTN	- / -	2	Partial capture
09-03 02:26	40m	-10 / -	R0AKA	- / -	2	Partial capture
09-02 02:59	40m	-6 / -8	DD1VB	-22 / -8	4	✓ Full exchange observed
09-02 02:58	40m	-5 / -	EA1AOC	-15 / -	2	✓ Closing observed
09-02 02:50	40m	-8 / -	OK8CZ	- / -	2	Partial capture
09-02 02:42	40m	-8 / -	DL9KM	- / -10	2	Partial capture
09-02 02:42	40m	-4 / -3	R2ZCA	+2 / -	6	✓ Closing observed
09-02 02:37	40m	-12 / -	EU1KI	- / -14	2	✓ Closing fragment
09-02 02:35	40m	-14 / -19	W4CHA	-6 / -	5	✓ Closing observed
09-02 02:32	40m	- / -	F8MRQ	-1 / -	3	Partial capture

Recent FT8 messages decoded at SO8OO

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

40m

UTC    dB Audio  Message
025530  -3 2305  K7ACZ UB6HJZ LN04
025700  -4 2305  F4AHJ UB6HJZ LN04 (x3)
030030 -13 2304  MW0USK UB6HJZ LN04
030045 -12 1032  UB6HJZ MW0USK -05
030100 -10 2304  MW0USK UB6HJZ R-17
030115 -13 1033  UB6HJZ MW0USK RR73
030130 -11 2304  MW0USK UB6HJZ 73
030200  -7 2304  YO8CNA UB6HJZ LN04 (x2)
030500  -7 2304  CQ UB6HJZ LN04 (x2)
031715 -20 2305  SP9DPM/P UB6HJZ LN04
031845 -15 2304  OZ/KD0NDU UB6HJZ R-14

80m

UTC    dB Audio  Message
022700  -1 2283  SQ6ELK UB6HJZ 73
022815  -2 2283  OE8DDX UB6HJZ LN04
022830  +9  913  UB6HJZ OE8DDX -08
022845  -2 2283  OE8DDX UB6HJZ R-05
022900 +11  913  UB6HJZ OE8DDX RR73
022915  +3 2283  OE8DDX UB6HJZ 73
023115  -4 2282  SM7TZK UB6HJZ LN04
023215  +0 2282  Z62NS UB6HJZ LN04 (x3)
023445  -5 2282  TF3VS UB6HJZ LN04 (x3)
024015 -11 2282  Z62NS UB6HJZ LN04 (x2)

20m

UTC    dB Audio  Message
025115 -16  673  UB6HJZ KK4TE RR73
030300 -10  832  UB6HJZ <...> +01
024630  -3 1923  UB6HJZ RX9WN -13
024645 -24 1419  RX9WN UB6HJZ R-07
024700  +1 1923  UB6HJZ RX9WN RR73
030945 -21 1560  UB6HJZ EX8QD RR73
141915  -4 1594  CQ UB6HJZ LN04
141930 +16 2910  UB6HJZ F4BYA JN19 (x2)
142030 -13 2230  UB6HJZ PD0JEW JO22 (x2)
155215  -8 1585  UA3IDQ UB6HJZ R-16 (x3)
155500  -6 1584  <...> UB6HJZ LN04

10m

UTC    dB Audio  Message
090045 -21 1455  YI3AA UB6HJZ LN04

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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