UW8SM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN28

Receiver-side FT8 activity involving UW8SM, decoded by SO8OO in southeastern Poland. 1,731 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, 10m, across 79 UTC dates. Heard between 2026-05-25 and 2026-08-23.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

1,731
Related messages
2
CQ messages
79
UTC dates heard
-9 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-25
Last seen: 2026-08-23 22:48 UTC

Frequent QSO partners observed at SO8OO

Stations UW8SM worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UW8SM

Approximate centre of KN28, decoded 2026-08-24 03:57 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandUW8SM S/NCounterpartCounterpart S/NMsgsCapture
08-24 00:47 20m - / -5 WA4LXU -9 / - 3 ✓ Closing fragment
08-24 00:20 20m - / -16 CP6CL -16 / - 2 ✓ Closing fragment
08-23 23:11 20m - / -9 K1CGJ -20 / - 2 ✓ Closing fragment
08-23 21:58 20m - / -5 AB8XG -20 / - 2 ✓ Closing fragment
08-23 21:12 20m - / +1 VE9HF +1 / - 2 ✓ Closing fragment
08-23 21:00 20m - / -2 VE3CM -6 / - 2 ✓ Closing fragment
08-23 20:48 20m - / +6 W4JVN -1 / - 3 ✓ Closing fragment
08-23 04:58 20m - / -16 KB3CCJ -19 / - 3 Partial capture
08-23 02:14 20m - / -11 KC1WNO -22 / - 3 ✓ Closing fragment
08-23 02:00 20m - / -8 W4XM 0 / - 2 ✓ Closing fragment
08-23 00:03 20m -11 / - KJ5CHK - / - 2 Partial capture
08-22 22:43 20m - / -8 K1IM -11 / - 3 ✓ Closing fragment
08-22 21:55 20m - / -12 HK5GBT -22 / - 2 Partial capture
08-22 21:52 20m - / - DA1EA +10 / - 3 Partial capture
08-22 21:51 20m - / -5 KC3UQU -20 / - 2 ✓ Closing fragment
08-22 21:36 20m - / -12 DA1EA -8 / - 3 Partial capture
08-22 04:37 20m - / -14 WE0D -21 / - 2 Partial capture
08-22 03:30 20m -14 / - KP4PUA - / - 2 Partial capture
08-22 02:43 20m - / -3 CT3MD -2 / - 4 ✓ Closing fragment
08-21 22:30 20m - / -10 WA9WUD -17 / - 2 ✓ Closing fragment
08-21 22:12 20m - / -15 N9MAX -4 / - 2 ✓ Closing fragment
08-21 21:58 20m - / - M0CNG -12 / - 6 Partial capture
08-21 21:38 20m - / -9 W8BS -14 / - 2 ✓ Closing fragment
08-21 20:18 20m -9 / - HI9R - / - 5 Partial capture
08-21 19:46 20m - / - F4HSB 0 / - 2 ✓ Closing fragment
08-21 04:54 20m - / -6 EA/SQ1MNC -15 / - 2 Partial capture
08-21 04:39 20m - / -15 II7MGBR -10 / - 2 Partial capture
08-21 04:36 20m - / -17 II7MGBR -6 / - 2 Partial capture
08-21 04:30 20m - / -15 II7MGBR -4 / - 4 Partial capture
08-21 04:24 20m - / - EA7BEI -8 / - 2 ✓ Closing fragment
08-21 00:20 20m - / -13 W4TME -14 / - 2 Partial capture
08-20 22:34 20m - / -14 KQ4BMS -3 / - 2 ✓ Closing fragment
08-16 21:44 20m -6 / - KB1NAF - / -15 3 ✓ Closing fragment
08-15 20:50 40m - / -20 EN35UKR -2 / - 2 Partial capture
08-15 20:24 40m - / - UA4FKT -15 / - 3 Partial capture
08-15 20:18 80m +10 / - YO1BRANCUSI - / -12 2 Partial capture
08-15 20:18 80m +8 / -11 EN100NP -2 / - 4 Partial capture
08-15 15:31 40m -16 / - SM1NFH/P - / +3 4 ✓ Closing fragment
08-15 07:19 20m - / -4 DA0LH -8 / - 2 ✓ Closing fragment
08-15 04:50 20m - / -10 VK7AC -20 / - 2 ✓ Closing fragment
08-14 04:11 20m -10 / - VK5GF - / -14 3 Partial capture
08-13 19:35 20m - / -10 EI2JHB -10 / - 2 ✓ Closing fragment
08-12 21:18 20m -18 / - W4WHQ - / - 2 Partial capture
08-12 20:17 20m - / -8 IU1UIC -10 / - 2 ✓ Closing fragment
08-12 10:27 20m - / - 9A/SQ9BKO +5 / - 2 Partial capture
08-12 10:11 20m - / -22 TA1CCM -22 / - 2 ✓ Closing fragment
08-12 09:28 20m - / -3 UY0HY -18 / - 3 Partial capture
08-12 09:12 20m - / -12 S57DEV +2 / - 2 ✓ Closing fragment
08-12 07:33 20m - / -15 I5MPN -9 / - 2 ✓ Closing fragment
08-12 07:31 20m - / 0 DL0EO/P -9 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
215900 -19 1446  UW8SM AB8XG RR73
221145 -24 1868  UW8SM W1VNC -15
222830  -4  567  UW8SM N1FMB -02
231100 -19 1420  UW8SM K1CGJ -09 (x2)
234800  -7 2939  VE3IJM UW8SM KN28
235615 -16 1143  UW8SM WW2N RR73
002045 -16 1992  UW8SM CP6CL -16 (x2)
004715 -10  446  UW8SM WA4LXU -05 (x3)
011545 -16 1130  VE3APT UW8SM KN28
020215 -14 2106  KS3H UW8SM KN28
035730 -22 1784  KZ4MKJ UW8SM KN28
40m 
UTC    dB Audio  Message
214600  -7 1223  UW8SM TM2WWA +04
153100 -12 2149  SM1NFH/P UW8SM KN28 (x4)
153830 -12 2378  UW8SM DL0EM RR73
154030 -11 1290  UW8SM DA0OIE -02
154400  -8  479  RO2E/M UW8SM KN28
202445 -19 1357  UW8SM UA4FKT LO23 (x3)
203115 -20 1226  <8B81JB> UW8SM KN28
204230  -6 2986  UW8SM <...> +15
205000  -8  988  UW8SM EN35UKR -20 (x2)
80m 
UTC    dB Audio  Message
213145 +14  500  II7WWA UW8SM KN28 (x5)
213530 +21  500  <...> UW8SM KN28 (x2)
201815 +19 1469  RC0AT/P UW8SM KN28
201830  -3 2230  UW8SM EN100NP -11
201845  +9 2051  YO1BRANCUSI UW8SM KN28
201900  -2 2230  UW8SM EN100NP -13
201915 +12 2051  YO1BRANCUSI UW8SM R-12
202015  +9 2051  EN100NP UW8SM KN28 (x2)
202115 +11  766  SK6MA/LH UW8SM KN28
10m 
UTC    dB Audio  Message
094145 -23 1614  UW8SM RW6HP LN14 (x3)
145215  -9 1494  UW8SM II2WWA -07 (x2)
145415  -7 1864  UW8SM EH8WWA +08 (x2)
145645 +17 2762  UW8SM TM2WWA -07 (x2)
150230  -1  650  UW8SM II0WWA +06 (x2)
150630 -17 1802  UW8SM CN2DX -13 (x2)
150730  -6  920  UW8SM A41ZZ -06
081415  -6 2783  UW8SM TM2WWA RR73

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.