UA3OO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO90

Receiver-side FT8 activity involving UA3OO, decoded by SO8OO in southeastern Poland. 221 related FT8 messages, 79 CQ messages, observed on 160m, 60m, 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-04-24 and 2026-07-14.

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.

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

Overview

221
Related messages
79
CQ messages
21
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-04-24
Last seen: 2026-07-14 06:18 UTC

Activity Heatmap

Locator transmitted by UA3OO

Approximate centre of KO90, decoded 2026-08-14 07:45 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 UTCBandUA3OO S/NCounterpartCounterpart S/NMsgsCapture
08-14 07:48 10m -2 / - CT7AUT - / -11 2 ✓ Closing fragment
08-13 15:34 80m -10 / - RI0FA - / -23 6 Partial capture
07-13 16:26 40m -14 / - RI1PC - / -12 6 Partial capture
07-12 17:43 10m - / - DN9AD -17 / - 3 Partial capture
07-12 17:38 10m - / - R2EC -4 / - 3 Partial capture
07-12 17:36 10m -10 / - SM4TIW - / -9 2 ✓ Closing fragment
07-12 17:32 10m -12 / +2 RA5AK -11 / +2 5 ✓ Full exchange observed
07-12 17:31 10m -7 / - LU7LRP - / -21 3 ✓ Closing fragment
07-12 17:28 10m -13 / - RM5F - / -2 3 ✓ Closing fragment
07-12 17:27 10m -2 / - HA7MEL - / -8 2 ✓ Closing fragment
07-12 17:26 10m -5 / - EA5OL - / -9 3 ✓ Closing fragment
07-09 07:32 10m 0 / - RA6AR -11 / -13 2 Partial capture
07-09 07:31 10m 0 / - YO9PH - / -12 2 ✓ Closing fragment
06-30 04:51 20m -7 / - KL5E - / -14 5 ✓ Closing fragment
06-30 04:47 20m -5 / - WD8CW - / -18 3 ✓ Closing fragment
06-30 04:44 20m -3 / -6 N9W -3 / -4 6 ✓ Full exchange observed
06-30 04:42 20m -8 / - KT4ZE - / -21 2 Partial capture
06-30 04:41 20m -2 / - WD5N - / -18 2 ✓ Closing fragment
06-30 04:38 20m -9 / - KE8NBC - / -6 3 ✓ Closing fragment
06-30 04:36 20m -3 / - N4AVJ - / -17 2 ✓ Closing fragment
06-30 04:20 20m -10 / - KJ5OUL - / -11 3 ✓ Closing fragment
06-30 04:18 20m -16 / - K0C - / -20 3 ✓ Closing fragment
06-30 04:16 20m -8 / - KA9EKJ - / -8 2 ✓ Closing fragment
06-30 04:13 20m -9 / - WV6E - / - 3 ✓ Closing fragment
06-30 04:09 20m -12 / - G3TKT -5 / - 3 ✓ Closing observed
06-30 03:57 20m -13 / - KD2YCK - / -15 3 ✓ Closing fragment
06-28 05:07 20m +8 / - M1WLK - / -8 2 ✓ Closing fragment
06-28 05:07 20m +5 / -7 EA3BIC -8 / -19 6 ✓ Full exchange observed
06-28 05:04 20m 0 / - W9OO - / - 2 Partial capture
06-28 04:51 20m 0 / - DK8HC - / -18 2 ✓ Closing fragment
06-28 04:51 20m -2 / - DL2AOM - / -14 2 ✓ Closing fragment
06-28 04:49 20m - / - TA3NK -13 / - 6 Partial capture
06-28 04:45 20m -2 / - KF0YOB - / - 2 ✓ Closing fragment
06-28 04:41 20m +3 / - N9FME - / -15 4 ✓ Closing fragment
06-28 04:22 20m -14 / - F4LNM -16 / - 4 ✓ Closing observed
06-26 17:57 10m -2 / - UA4CKN - / -7 2 ✓ Closing fragment
06-26 17:55 10m -4 / - RW6HP -13 / -14 3 ✓ Closing observed
06-26 17:52 10m - / - RW6HP -17 / - 2 Partial capture
06-26 17:48 10m - / -12 RM5F -16 / - 2 ✓ Closing fragment
06-24 17:47 10m -19 / - CA3MLY - / -10 2 ✓ Closing fragment
06-24 17:37 10m -12 / - 3G0YM - / - 16 Partial capture
06-24 06:53 40m - / - SP5PCI -8 / - 4 Partial capture
06-24 06:51 40m -13 / - 3G0YM - / -16 5 Partial capture
06-24 06:40 40m -17 / - 3G0YM - / -13 13 Partial capture
06-24 06:32 40m -19 / - 3G0YM - / - 4 Partial capture
06-22 03:36 20m -16 / - KE2DC - / -15 2 ✓ Closing fragment
06-22 03:33 20m -11 / - KF9UG - / -7 2 ✓ Closing fragment
06-22 03:30 20m -13 / - W4FIR - / -11 3 ✓ Closing fragment
06-22 03:29 20m -13 / - WV2B -10 / -5 4 ✓ Closing observed
06-22 02:45 20m -14 / - NE6Z - / -19 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
173545  -7 1146  CQ UA3OO KO90
173615 -10 1147  SM4TIW UA3OO -09 (x2)
173715 -17 1146  UA3TJC UA3OO R-12
173800  +1 2415  UA3OO R2EC KO82 (x2)
173845 -20 1146  RN3QOO UA3OO 73
173900  -8 2415  UA3OO R2EC KO82
174300 -14 1746  UA3OO DN9AD JO52 (x3)
081845 -17 1226  CQ UA3OO KO90                         a1
074530 -15 1138  RN4AQ UA3OO KO90
074845  -2 1137  CT7AUT UA3OO R-11 (x2)
80m
UTC    dB Audio  Message
152845  -9 1101  RI0FA UA3OO KO90 (x7)
40m
UTC    dB Audio  Message
065115 -12 1034  3G0YM UA3OO KO90 (x3)
065300  -3  580  UA3OO SP5PCI KO02
065315 -15 1034  3G0YM UA3OO R-16 (x2)
065400 -13 1034  UA3OO SP5PCI KO02 (x3)
162645 -12 1545  RI1PC UA3OO KO90 (x6)
20m
UTC    dB Audio  Message
044430  -5 1304  N9W UA3OO KO90 (x2)
044545  -3 2672  UA3OO N9W -06
044600  -5 1304  N9W UA3OO R-04 (x2)
044700  -1 1304  WD8CW UA3OO KO90 (x3)
044900  +3 1304  R9FE UA3OO RR73
044930  +1 1304  R8AGW UA3OO +02
045100  -3 1304  KL5E UA3OO KO90 (x5)

Decoder S/N history by band

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