UT5MB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN48

Receiver-side FT8 activity involving UT5MB, decoded by SO8OO in southeastern Poland. 328 related FT8 messages, 10 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 51 UTC dates. Heard between 2026-05-30 and 2026-08-22.

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

328
Related messages
10
CQ messages
51
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-30
Last seen: 2026-08-22 03:29 UTC

Frequent QSO partners observed at SO8OO

Stations UT5MB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UT5MB

Approximate centre of KN48, decoded 2026-08-22 05:39 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 UTCBandUT5MB S/NCounterpartCounterpart S/NMsgsCapture
08-22 05:26 20m - / -11 PD2WL -7 / - 5 ✓ Closing fragment
08-16 14:40 20m - / -18 GB6DGK -18 / - 2 ✓ Closing fragment
08-16 05:51 20m - / +2 F5HIJ +4 / - 3 ✓ Closing fragment
08-15 14:52 20m -3 / - TC6L - / - 7 Partial capture
08-15 14:49 20m -16 / - F6JON/QRP - / -16 2 Partial capture
08-15 04:12 20m - / +10 5B4AMX -8 / - 2 ✓ Closing fragment
08-14 13:55 20m - / -6 EG2FPA -2 / - 2 ✓ Closing fragment
08-14 08:32 20m -2 / - DL1CBS/P - / - 2 Partial capture
08-14 08:29 20m +6 / - SA3SWE - / -16 2 Partial capture
08-14 08:27 20m +6 / +6 T77RN -2 / -7 4 ✓ Full exchange observed
08-12 04:29 20m -9 / -12 UR1CCO -1 / -11 9 ✓ Full exchange observed
08-12 02:21 80m +9 / - <...> - / -18 9 Partial capture
08-12 02:13 80m +9 / - <...> - / -18 11 Partial capture
08-12 02:08 80m +17 / - <...> - / -19 5 Partial capture
08-12 02:00 80m +21 / - <...> - / -19 9 Partial capture
08-12 01:56 80m +16 / - W1NB - / - 4 Partial capture
08-12 01:52 80m +16 / -8 PC5D -8 / -22 6 Partial capture
08-12 01:46 80m +5 / - W1NB - / - 3 Partial capture
08-12 01:44 80m +18 / -18 G8OO +5 / -13 4 ✓ Full exchange observed
08-12 01:43 80m +16 / 0 IW3RUA +8 / -4 4 ✓ Full exchange observed
08-12 01:41 80m +12 / -6 HB10GBT +4 / -14 3 Partial capture
08-10 07:28 20m -2 / - PD0U - / -18 2 Partial capture
08-10 07:26 20m -6 / - TA3OAZ - / -20 3 ✓ Closing fragment
08-10 07:20 20m +1 / - UT2UCC/P - / -4 3 ✓ Closing fragment
08-10 07:16 20m -6 / - TT1GD - / -16 2 Partial capture
08-10 07:15 20m -2 / - 8S7DL - / - 2 Partial capture
08-10 02:33 80m +18 / - <...> - / -18 3 Partial capture
08-10 02:30 80m +12 / -14 PY5XT -7 / -13 8 ✓ Full exchange observed
08-10 02:27 80m +8 / - YL2IV +4 / -5 3 ✓ Closing observed
08-10 02:18 80m +14 / - <...> - / -18 11 Partial capture
08-10 02:15 80m +4 / +1 SV1MNE -8 / -14 6 ✓ Full exchange observed
08-10 02:08 80m +13 / - <...> - / -18 9 Partial capture
08-10 02:04 80m +6 / - K1EZ - / - 6 Partial capture
08-10 01:55 80m +9 / +5 EU2NS +12 / -9 7 ✓ Full exchange observed
08-10 01:53 80m +10 / - <...> - / -18 5 Partial capture
08-10 01:50 80m +16 / - CE8EIO - / - 3 Partial capture
08-10 01:49 80m +20 / -6 GB8VJ -8 / -16 4 ✓ Full exchange observed
08-10 01:44 80m +13 / - <...> - / -18 7 Partial capture
08-10 01:42 80m +18 / - US1VAA +15 / -2 5 ✓ Full exchange observed
08-10 01:41 80m +14 / +1 DO1OAS +7 / -8 4 ✓ Full exchange observed
08-10 01:40 80m - / - G8OO 0 / - 8 Partial capture
08-10 01:39 80m +18 / -4 DL9ATW 0 / -5 4 ✓ Full exchange observed
08-10 01:38 80m +14 / -11 G0DWV +6 / -10 6 ✓ Full exchange observed
08-10 01:34 80m +21 / - UR3QCB +7 / - 4 ✓ Closing observed
08-10 01:34 80m +14 / - DO5PY - / -14 2 ✓ Closing fragment
08-10 01:29 80m +21 / -20 PY5XT -16 / -21 5 Partial capture
08-10 01:23 80m +10 / - OH8SR -8 / -11 3 ✓ Closing observed
08-10 01:22 80m +12 / -2 SP5MIG/6 +14 / -2 3 Partial capture
08-10 01:15 80m +14 / -8 DL9KM 0 / -8 5 ✓ Full exchange observed
08-10 01:14 80m +7 / - IU2VBP -7 / -10 3 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
052745 -16 2527  UT5MB EA1JWG -25
055145  +0 1932  UT5MB F5HIJ R+02 (x3)
142730 -24 1723  UT5MB GB2CLH -11
144030 -20 1014  UT5MB GB6DGK -18 (x2)
134000  -7  453  UT5MB F8KIC/P +00
044045  -1 1660  UT5MB ON4JL +06
052615  -2 1353  UT5MB PD2WL -11 (x5)
053945 -12 2137  D2IM UT5MB KN48
80m 
UTC    dB Audio  Message
021615 +10 1966  <...> UT5MB KN48 (x15)
60m 
UTC    dB Audio  Message
030130  +9  932  GB6DD UT5MB RR73
030215  +7 1002  ON8LX UT5MB -15 (x2)
030400  +5 2150  EA5TE UT5MB KN48 (x2)
030445 -15 2147  UT5MB EA5TE RR73
030545  -1 1660  DL1IGB UT5MB -14 (x2)
013545  -9 2330  <...> UT5MB -10
013600 -10 1748  UT5MB <...> R+10
013700 -17 2332  DL1CC UT5MB -09 (x2)
013830 -15 2333  M0LOW UT5MB -12
013915  -8  431  UT5MB M0LOW 73
014530 -17 2225  UT5MB OH6MW 73
40m 
UTC    dB Audio  Message
161700  -3 2606  <...> UT5MB KN48
162030 -18 1331  YD2VTS UT5MB KN48 (x3)
162300  -7 1512  <...> UT5MB -16 (x2)
165045 -13 1772  YB7SKM UT5MB KN48 (x4)
165430 -15 1513  <...> UT5MB KN48
171030  -4 1066  YC0AVW UT5MB -16 (x2)
030415 +13  416  UT5MB TM84TFR +08
022815 -10  770  UT5MB GB64MOD -01
10m 
UTC    dB Audio  Message
135745 -15 1602  UT5MB D08DX +08
111215 -16 1215  UT5MB YB3VID -13
111400 -19 1679  YG2AUD UT5MB KN48
111645  -8 1528  UT5MB YB3RNW -15 (x2)
131230  -7  854  UT5MB 7Q5MP -09 (x2)
143100 -15 1879  UT5MB <...> R-21 (x2)
122645  -7  497  UT5MB TK5K R-06 (x3)
123200  -9  910  UT5MB DL2026T R-09

Decoder S/N history by band

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