UT5ECZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Most frequent locator attributed to this token: KN68

Receiver-side FT8 activity involving UT5ECZ, decoded by SO8OO in southeastern Poland. 1,349 FT8 messages attributed to this token as transmitter, on 160m, 80m, 60m, 40m, 20m, 10m, across 46 UTC dates in the available aggregate history. Observed between 2026-06-08 and 2026-09-04.

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 1,349 FT8 messages attributed to UT5ECZ as the transmitting token by decoded message structure across 46 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (48%), followed by 40 m (32%) and 60 m (8%). Most decodes (80%) fell within the six-hour window 23:00-05:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (89%); the estimated median was +3 dB.

Overview

1,349

Messages attributed

UTC dates decoded

161

Active 15-min windows

+3 dB

Estimated median S/N

Bands

160m · 25 80m · 87 60m · 111 40m · 438 20m · 650 10m · 38

First attributed message: 2026-06-08
Last attributed message: 2026-09-04 19:23 UTC

Observed FT8 message patterns

Attributed sample: 1,349 messages
Active dates: 46 UTC dates
Estimated median S/N: +3 dB
Estimated 10th-90th percentile: -9 to +14 dB
Recurring-pattern threshold: Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 39, moderate (-15 to -9 dB) 103, strong (≥ -8 dB) 1,207.

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 UT5ECZ in decoded directed-looking exchanges:

SV9QWC · Crete ×3 F1PBZ · France ×2 YO8VV · Romania ×2 DL9KM · Fed. Rep. of Germany ×2 HK3G · Colombia ×2 KC4YAO · United States ×2 OH0ERF · Aland Islands ×2 PT8SP · Brazil ×2 W3UCA · United States ×2 CT2GQA · Portugal ×2 ER1CW · Moldova ×2 7Z1DZ · Saudi Arabia

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 UT5ECZ

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: KN68 · 256 decoded messages
SO8OO receiver locator: KN09VW
Locator-centre separation: 829 km (approx.)
Last such locator decoded: 2026-09-04 19:14 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	UT5ECZ S/N	Counterpart	Counterpart S/N	Msgs	Capture
09-04 19:22	80m	+22 / -	SP9SOS	+10 / -6	8	✓ Full exchange observed
09-04 19:18	80m	+20 / -	M6PVT	-9 / -7	3	✓ Closing observed
09-04 19:16	80m	+24 / 0	OH3NXW	+20 / -	4	✓ Full exchange observed
09-04 19:15	80m	+22 / 0	HA9OA	+18 / -	4	✓ Full exchange observed
09-04 19:15	80m	- / -	UA4FKT	+10 / -	3	Partial capture
09-04 19:14	80m	+21 / +2	M6XZD	-6 / -4	5	✓ Full exchange observed
09-04 19:10	80m	+20 / +1	UR4LRG	+9 / -	3	✓ Full exchange observed
09-04 19:07	80m	+19 / -1	3Z100PKP	0 / -3	2	Partial capture
09-04 19:06	80m	+17 / -	OV6ZM	-1 / -2	3	✓ Closing observed
09-04 03:11	40m	0 / -	WF2A	- / +3	3	Partial capture
09-04 03:08	40m	+4 / -	SP6CA	- / -7	2	✓ Closing fragment
09-04 03:05	40m	+9 / -11	KK7UXY	-8 / -10	6	✓ Full exchange observed
09-04 02:32	40m	+4 / -	KK7UXY	- / -7	2	Partial capture
09-04 02:28	40m	+8 / -	<...>	- / -14	4	Partial capture
09-04 02:26	40m	+9 / -	EG42SDC	-9 / -14	2	Partial capture
09-03 19:33	40m	+21 / -	BG2GWN	- / -17	2	✓ Closing fragment
09-03 19:30	60m	+24 / -2	PA4PA	+7 / +7	4	✓ Full exchange observed
09-03 19:23	80m	-2 / -	SQ100PKP	- / +5	2	Partial capture
09-03 18:40	160m	+10 / -	RI1FJL	- / -	5	Partial capture
09-03 02:54	40m	- / 0	LZ936BA	-12 / -	2	Partial capture
09-03 02:50	60m	+6 / -	VA3PHP	- / -19	5	Partial capture
09-03 02:49	60m	+6 / -	W4CHA	- / -5	2	✓ Closing fragment
09-03 02:47	60m	+4 / -	OH3GBW	-9 / -14	5	✓ Full exchange observed
09-03 02:46	60m	+12 / -	VE3OU	- / -13	2	✓ Closing fragment
09-03 02:43	80m	-10 / -	M0MDR	- / -1	2	Partial capture
09-02 01:06	60m	+9 / -	VE3EY	- / -12	4	Partial capture
09-02 01:05	60m	+9 / -	OH2ZZ	-6 / +8	4	✓ Full exchange observed
09-02 00:59	80m	0 / -	LU1FP	- / -	3	Partial capture
09-02 00:32	40m	+5 / -	WA2NBG	- / -16	3	Partial capture
09-02 00:23	40m	+1 / +4	AM42SDC	-2 / -12	5	Partial capture
09-01 20:29	160m	+11 / -	LZ2IP	+12 / +4	4	✓ Full exchange observed
09-01 20:28	160m	+10 / -	SN100PKP	-6 / -8	2	Partial capture
09-01 20:23	160m	+11 / -	F4FTV	- / -15	5	Partial capture
09-01 20:20	80m	0 / +9	IR7MGGC	+3 / -6	2	Partial capture
09-01 20:17	80m	0 / -7	SN100PKP	+10 / +1	3	Partial capture
09-01 20:10	80m	+4 / -	V51WH	- / -9	7	✓ Closing fragment
09-01 20:02	60m	+10 / -	EA7KZ	- / -20	3	✓ Closing fragment
09-01 20:00	60m	+13 / -	GW0KQX	- / -8	3	✓ Closing fragment
09-01 19:57	60m	+11 / -4	EG2PDA	-23 / -8	4	✓ Full exchange observed
09-01 19:56	60m	+9 / -	EG1PDA	- / -6	2	✓ Closing fragment
09-01 19:52	40m	+4 / -8	9A170TESLA	-11 / -20	3	Partial capture
09-01 19:51	40m	- / -	RT2H	+6 / -	3	Partial capture
09-01 19:50	40m	+7 / -	HF40BLP	- / -12	2	Partial capture
09-01 19:36	40m	+12 / -	TA1YT	- / -20	3	✓ Closing fragment
09-01 19:33	60m	-20 / -	F5OZC	- / +3	2	✓ Closing fragment
09-01 19:32	60m	+13 / -	OE100OEVSV	-13 / -1	2	Partial capture
09-01 19:16	80m	+4 / -	P29YY	- / -15	5	✓ Closing fragment
09-01 19:15	80m	+20 / -	DL3BH	- / -15	2	Partial capture
09-01 19:12	80m	+18 / -8	<...>	-7 / -18	3	Partial capture
09-01 19:07	80m	+11 / -6	SV3SIM	-1 / -	3	✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

80m

UTC    dB Audio  Message
191715 +24 2878  OH3NXW UT5ECZ RR73
191730 +19 2877  UT5ECZ OH3NXW 73
191800 +18 2809  M6PVT UT5ECZ -07 (x2)
191845  -9 2809  UT5ECZ M6PVT 73
192115 +18  569  HA1RJ UT5ECZ +01
192230  +7  383  UT5ECZ SP9SOS KN09
192245 +17  569  SP9SOS UT5ECZ -06
192300 +14  383  UT5ECZ SP9SOS R+14
192315 +26  383  SP9SOS UT5ECZ RR73
192330 +13  383  UT5ECZ SP9SOS 73 (x4)
192545  +7 2402  UT5ECZ SA6DST 73

40m

UTC    dB Audio  Message
023100  +6 1441  <...> UT5ECZ -10
023200  +2 1195  KK7UXY UT5ECZ -07 (x2)
030330  +2 1620  KT4ZG UT5ECZ -16
030500  +8 1196  KK7UXY UT5ECZ -10 (x3)
030745 -10 1196  UT5ECZ KK7UXY R-11
030800  +7 1146  KK7UXY UT5ECZ RR73
030815  -6 1196  UT5ECZ KK7UXY 73
030845  +7 1529  SP6CA UT5ECZ -07 (x2)
031100  +2 1912  WF2A UT5ECZ +03 (x3)

60m

UTC    dB Audio  Message
024800  +6 1997  OH3GBW UT5ECZ RR73
024815  -8 1956  UT5ECZ OH3GBW 73
024830  +4 1997  CQ UT5ECZ KN68
024900  +9 1997  W4CHA UT5ECZ -05 (x2)
025000  +2 1997  CQ UT5ECZ KN68
025030  +5 1997  VA3PHP UT5ECZ -19 (x5)
193015 +23  423  PA4PA UT5ECZ +07
193030  +8  423  UT5ECZ PA4PA R-02
193045 +26  423  PA4PA UT5ECZ RR73
193100  +6  423  UT5ECZ PA4PA 73

160m

UTC    dB Audio  Message
202645 +12 1287  F4FTV UT5ECZ -13 (x2)
202815 +10 1795  SN100PKP UT5ECZ -08
202830  -6 1794  UT5ECZ SN100PKP R+24
202930 +12 1490  LZ2IP UT5ECZ +04
202945 +14 1491  UT5ECZ LZ2IP R+17
203000 +10 1490  LZ2IP UT5ECZ RR73
203015 +11 1491  UT5ECZ LZ2IP 73
184015  +6  980  RI1FJL UT5ECZ KN68 (x7)

20m

UTC    dB Audio  Message
034730 -24 1616  UT5ECZ <...> R-07 (x2)
035100  -9  587  CQ DX UT5ECZ KN68 (x2)
035815 -15 2239  UT5ECZ ZP5DBC -03 (x2)
040415 -18 1252  ZL2KR UT5ECZ -10 (x3)
040715 -10  956  ZL4IA UT5ECZ -10 (x2)
040900  +6  622  CQ DX UT5ECZ KN68 (x3)
041345  -7  462  UT5ECZ <...> R-08

10m

UTC    dB Audio  Message
150815  +1 1643  DN9MAI UT5ECZ -05 (x2)
151100 +10  589  ZS6MGM UT5ECZ RR73
151230  +1 1221  SV9QWC UT5ECZ +03 (x2)
151330  +7 2598  PU7OHK UT5ECZ KN68 (x2)
172445  -5 2732  UT5ECZ F1PBZ RR73
144945 -13 2474  F1BBM UT5ECZ -15 (x2)
115900 -22 1293  UT5ECZ LZ7VV RR73
161130 -16 1291  UT5ECZ GJ0KYZ -10 (x2)
150845  -5  837  UT5ECZ PE9JAN JO22 (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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee