UR3LM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Most frequent locator attributed to this token: KN89

Receiver-side FT8 activity involving UR3LM, decoded by SO8OO in southeastern Poland. 2,222 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 72 UTC dates in the available aggregate history. Observed between 2026-06-07 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 2,222 FT8 messages attributed to UR3LM as the transmitting token by decoded message structure across 72 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (77%), followed by 10 m (8%) and 80 m (6%). Most decodes (64%) fell within the six-hour window 02:00-08:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was 0 dB.

Overview

2,222

Messages attributed

UTC dates decoded

271

Active 15-min windows

0 dB

Estimated median S/N

Bands

160m · 47 80m · 142 40m · 136 20m · 1,712 10m · 185

First attributed message: 2026-06-07
Last attributed message: 2026-09-11 03:17 UTC

Observed FT8 message patterns

Attributed sample: 2,222 messages
Active dates: 72 UTC dates
Estimated median S/N: 0 dB
Estimated 10th-90th percentile: -14 to +12.3 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 148, moderate (-15 to -9 dB) 394, strong (≥ -8 dB) 1,680.

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 UR3LM in decoded directed-looking exchanges:

F4HSB · France ×2 ZL1RPC/P · New Zealand ×2 T77R · San Marino ×2 SV2CLJ · Greece ×2 LY7M · Lithuania BH6CAA · China YO8VD · Romania K7VAY · United States W5TN · United States K7FDN · United States TA7ARH · Asiatic Turkey K7AKG · United States

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 UR3LM

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: KN89 · 1,309 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 1,093 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	UR3LM S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-11 03:15	40m	-8 / -5	EG26PDA	-9 / -12	5	Partial capture
09-08 21:26	40m	-11 / -	SV9/SV1ABB	- / -6	2	Partial capture
09-08 21:24	40m	0 / -	SV8/F6BLP	+2 / -8	3	Partial capture
09-08 21:21	40m	- / -5	ON1BH	-12 / -	3	Partial capture
09-08 21:20	40m	-2 / -12	TA7ARH	+10 / -17	4	✓ Full exchange observed
09-08 21:16	40m	-18 / +1	EH1PDA	-8 / -12	4	✓ Full exchange observed
09-08 21:07	160m	+10 / -	SN100PKP	- / -12	2	Partial capture
09-08 21:05	160m	+6 / -	LY7M	+12 / +3	4	✓ Full exchange observed
09-08 21:03	160m	+14 / -	UN8DSW	- / -14	3	✓ Closing fragment
09-08 20:56	80m	+9 / -17	PH1RIS	-17 / -16	5	✓ Full exchange observed
09-08 20:53	80m	+15 / +2	T77RN	-9 / -20	5	✓ Full exchange observed
09-08 20:38	80m	+17 / -3	DM0CRACY	-4 / -12	3	Partial capture
09-08 20:36	80m	+4 / -	SM7/DL5BTE	- / -7	2	Partial capture
09-08 20:32	80m	- / -	UA4FKT	+5 / -	4	Partial capture
09-08 20:31	80m	+19 / -	JH0NOS	- / -22	3	✓ Closing fragment
09-08 18:02	40m	+18 / -7	OZ/OO4O	+7 / -14	3	Partial capture
09-08 17:59	40m	+6 / -	SP5ALV	+9 / -3	5	✓ Full exchange observed
09-08 17:58	40m	+8 / -	EA9ADC	- / -	2	Partial capture
09-08 17:44	40m	+6 / +3	EG1SDC	-15 / -	5	Partial capture
09-08 17:39	40m	+8 / -	US5WAN	- / -10	2	✓ Closing fragment
09-08 17:38	40m	+12 / +8	PA0LCC	-11 / -	7	Partial capture
09-08 17:33	40m	+8 / -	HA7WDD	- / -10	3	✓ Closing fragment
09-05 21:10	80m	+10 / -	LA4O	- / -6	3	✓ Closing fragment
09-05 21:09	80m	+18 / +3	OU7M/P	+6 / -4	5	✓ Full exchange observed
09-05 21:02	80m	- / -	UA4FKT	+13 / -	4	Partial capture
09-05 21:00	80m	+17 / -	R1943OD	- / -	2	Partial capture
09-05 20:27	40m	+13 / -	VJ6X	- / -22	3	Partial capture
09-05 20:24	40m	+13 / -3	OZ3FYN/P	-6 / -16	6	✓ Full exchange observed
09-05 20:21	40m	+18 / -	JH0KWZ	- / -21	3	✓ Closing fragment
09-05 20:15	40m	+10 / -	EG7CQ	- / -14	3	✓ Closing fragment
09-05 20:09	40m	+7 / -3	G0JJL/P	-16 / -11	5	✓ Full exchange observed
09-05 20:09	40m	+7 / +7	T77R	0 / -12	7	✓ Full exchange observed
09-05 20:07	40m	+6 / -	EA3LF	- / -15	3	✓ Closing fragment
09-05 20:03	40m	+3 / -	TA9AAR	- / -15	3	✓ Closing fragment
09-05 20:01	40m	+14 / -12	G8OO	-6 / -13	5	✓ Full exchange observed
09-05 20:00	40m	+10 / -	BG3NQT	- / -18	2	✓ Closing fragment
09-05 19:59	40m	+13 / -21	OZ2NYB/P	-8 / -8	5	✓ Full exchange observed
09-04 21:52	40m	+10 / -	RI1FJL	- / -16	4	Partial capture
09-04 21:25	80m	+11 / +9	RI1FJL	-10 / -20	46	Partial capture
09-04 21:06	160m	+10 / -	RI1FJL	- / -22	26	Partial capture
09-04 21:00	160m	+6 / -	RI1FJL	- / -	7	Partial capture
09-04 20:51	160m	+7 / -	OM0CS	-2 / -11	4	✓ Full exchange observed
09-04 20:47	160m	+5 / -12	EA4HPY	-22 / -16	5	✓ Full exchange observed
09-01 18:34	80m	-4 / -3	UR5KC	+17 / +2	5	✓ Full exchange observed
09-01 18:32	80m	+4 / +5	UR4LRG	+18 / +3	5	✓ Full exchange observed
09-01 03:44	40m	+15 / -	NV1U	- / -24	5	✓ Closing fragment
09-01 03:42	40m	- / -	UA4FKT	+1 / -	3	Partial capture
09-01 03:42	40m	+17 / 0	KK4PH	-8 / -	3	Partial capture
09-01 03:40	40m	+12 / +6	K7ACZ	+6 / -8	7	✓ Full exchange observed
09-01 03:38	40m	+8 / -	HB10GBT	- / -	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
212100 -10 2414  UR3LM ON1BH -05 (x3)
212315  +1 1046  TA3TCW UR3LM KN89
212415  +6  432  SV8/F6BLP UR3LM KN89
212430  +2  433  UR3LM SV8/F6BLP +14
212445  -6  433  SV8/F6BLP UR3LM R-08
212500  -2  433  UR3LM RR73; F4ACR <...> -08
212615  -8 1772  SV9/SV1ABB UR3LM KN89 (x2)
031545  +0 1949  EG26PDA UR3LM KN89 (x3)
031730  -9 1948  UR3LM EG26PDA -05
031745  -7 1949  EG26PDA UR3LM R-12

160m

UTC    dB Audio  Message
211815  +5 1082  RI1FJL UR3LM KN89 (x5)
210345 +14  973  UN8DSW UR3LM KN89 (x3)
210500  +9 2020  UR3LM LY7M +17
210545  +3 2020  LY7M UR3LM R+03
210600 +15 2020  UR3LM LY7M RR73
210615  +8 2021  LY7M UR3LM 73
210715 +14 1097  SN100PKP UR3LM KN89
210730  -5 1142  UR3LM DL80NRW -07
210745  +7 1097  SN100PKP UR3LM R-12

80m

UTC    dB Audio  Message
203845 +16  594  DM0CRACY UR3LM KN89
203900  -4  595  UR3LM DM0CRACY -03
203915 +18  594  DM0CRACY UR3LM R-12
203930  +2  595  UR3LM RR73; 9A2AA <...> -08
204245 +13  909  SM7/DL5BTE UR3LM KN89
205315 +12 2653  T77RN UR3LM KN89
205330 -11 2653  UR3LM T77RN +02
205345 +16 2654  T77RN UR3LM R-20
205400  -7 2653  UR3LM T77RN RR73
205415 +17 2653  T77RN UR3LM 73
205630 +10  953  PH1RIS UR3LM KN89 (x2)
205715 -17  954  UR3LM PH1RIS -17
205730  +6  953  PH1RIS UR3LM R-16 (x2)

20m

UTC    dB Audio  Message
054330 +14  672  CQ DX UR3LM KN89
054345  -6 2942  UR3LM IW5ALZ JN53
054400 +11  672  IW5ALZ UR3LM -20
054445  +1 2942  UR3LM IW5ALZ JN53
052245 -19 1612  8S2C UR3LM KN89
052500  -7 2816  <...> UR3LM KN89
185830  -6 1923  OY5T UR3LM KN89 (x5)
190315  -9  307  UR3LM EI2KXB +02 (x2)
190400  -9 1075  EI2KXB UR3LM 73 (x2)

10m

UTC    dB Audio  Message
185745  -8  940  SK3W UR3LM KN89
185815 -18 1897  PE1FBC UR3LM KN89
153700 -21 1595  UR3LM SV5BYP +07
200600 -13  869  UR3LM OZ5WT -05
200600 -19 2131  UR3LM DO7TTR/P -09 (x2)
200915  +1  887  UR3LM PD3FJJ -15 (x2)
201230 -22 3196  UR3LM PE1LYU +04 (x2)
190300 -23 1999  UR3LM LX1RFJ RR73
190330 -17 2390  UR3LM DN9OPA JN38 (x2)
190930 -21 2112  LU3CM UR3LM R-24
191115 -12  758  PU2URJ UR3LM KN89

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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