UT3SO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN18

Receiver-side FT8 activity involving UT3SO, decoded by SO8OO in southeastern Poland. 1,089 related FT8 messages, 81 CQ messages, observed on 80m, 40m, 20m, 10m, across 45 UTC dates. Heard between 2026-05-27 and 2026-08-24.

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

1,089
Related messages
81
CQ messages
45
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-27
Last seen: 2026-08-24 11:17 UTC

Frequent QSO partners observed at SO8OO

Stations UT3SO worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UT3SO

Approximate centre of KN18, decoded 2026-06-25 19:36 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 UTCBandUT3SO S/NCounterpartCounterpart S/NMsgsCapture
08-24 13:16 20m - / - CT1APP -6 / - 3 Partial capture
08-24 13:12 20m - / +5 G4SJG -1 / - 3 ✓ Closing fragment
08-24 13:11 20m - / - DC9GT -16 / - 5 Partial capture
08-24 13:11 20m - / - F4IJK -18 / - 2 Partial capture
08-23 12:27 20m - / -18 ON1AJ +17 / - 7 ✓ Closing fragment
08-23 12:26 20m - / -9 DL6NAC +6 / - 4 ✓ Closing fragment
08-23 12:07 20m - / +5 DL3EBJ -6 / - 2 ✓ Closing fragment
08-23 12:06 20m - / -6 ON4AOI +24 / - 2 ✓ Closing fragment
08-21 16:07 20m - / - DK2WC/R -6 / - 3 Partial capture
08-21 16:02 20m - / -20 BG7BVI -8 / - 2 ✓ Closing fragment
08-21 15:54 20m - / -10 DL8RBL +4 / - 2 ✓ Closing fragment
08-21 15:54 20m - / - DL1R +9 / - 8 Partial capture
08-21 15:52 20m - / +6 RN6MA -12 / - 3 Partial capture
08-21 11:28 10m - / -11 RN6MA -19 / - 2 Partial capture
08-21 11:23 10m - / 0 ON5GQ -14 / - 2 ✓ Closing fragment
08-21 11:18 10m - / -17 RN6MA -18 / - 3 Partial capture
08-21 11:15 10m - / -3 9A7BKU -16 / - 2 ✓ Closing fragment
08-21 10:50 10m - / -2 PA3BUD -13 / - 3 ✓ Closing fragment
08-21 10:47 10m - / -10 DN9DSP -14 / - 2 Partial capture
08-21 10:44 10m - / -9 DG5PW -7 / - 2 ✓ Closing fragment
08-21 10:35 10m - / -13 DL3MIB +1 / - 7 ✓ Closing fragment
08-21 10:32 10m - / -13 DN9JGL -5 / - 2 ✓ Closing fragment
08-21 10:30 10m - / +3 DG2SAT -5 / - 3 ✓ Closing fragment
08-20 16:41 10m - / - F4IDN -14 / - 3 Partial capture
08-20 16:31 10m - / - G3RWF -20 / - 2 ✓ Closing fragment
08-20 09:50 10m - / - PD3FJJ -14 / - 2 ✓ Closing fragment
08-16 09:51 10m - / -19 PC7M -20 / - 2 ✓ Closing fragment
08-15 18:15 40m - / - E70SZ -10 / - 4 Partial capture
08-15 18:14 40m - / - UR5SD +8 / - 3 Partial capture
08-15 18:13 40m - / -5 IU2HUQ -15 / - 3 ✓ Closing fragment
08-15 18:07 40m - / - HF5A 0 / - 2 Partial capture
08-15 17:24 20m - / -14 M9NTS -8 / - 6 Partial capture
08-15 17:22 20m - / - EA3GXK -17 / - 9 Partial capture
08-15 17:14 20m - / -10 S52BT -1 / - 6 ✓ Closing fragment
08-15 17:03 20m - / - G3ROY -16 / - 2 Partial capture
08-15 08:38 10m - / -7 LZ4VR -11 / - 3 ✓ Closing fragment
08-15 08:24 20m - / +5 PD5GO -21 / - 5 Partial capture
08-15 08:20 20m - / -11 OZ7CL -12 / - 2 ✓ Closing fragment
08-15 08:17 20m - / -17 TA3NHM -14 / - 2 ✓ Closing fragment
08-15 08:10 20m - / -7 F4LUK -8 / - 3 ✓ Closing fragment
08-15 08:07 20m - / -6 M9OOS -1 / - 2 ✓ Closing fragment
08-15 08:05 20m - / -13 G6UZT -15 / - 2 Partial capture
08-15 07:46 20m - / -7 F5SFT 0 / - 2 Partial capture
08-15 07:43 20m - / -15 MI9PBM -12 / - 2 ✓ Closing fragment
08-15 07:37 20m - / -8 IU3VHR +10 / - 2 ✓ Closing fragment
08-14 16:17 20m - / -9 UN7PNF -12 / - 4 ✓ Closing fragment
08-14 09:24 20m - / - EA3FZN -13 / - 3 Partial capture
08-14 09:23 20m - / -11 ON1DGN -24 / - 2 Partial capture
08-14 09:18 20m - / +5 RN6MA 0 / - 4 Partial capture
08-14 09:09 20m - / - UA4A -20 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
123000 +17 1217  UT3SO ON1AJ R-18 (x2)
131115 -18 1269  UT3SO F4IJK JN16
131130 -16  260  UT3SO DC9GT JO53
131145 -18 1269  UT3SO F4IJK JN16
131200  -1 1628  UT3SO G4SJG IO92
131230 -14  260  UT3SO DC9GT JO53
131230  -1 1628  UT3SO G4SJG R+05
131300 -19  261  UT3SO DC9GT JO53
131300  +0 1628  UT3SO G4SJG 73
131330 -18  261  UT3SO DC9GT JO53 (x2)
131600  -9 2722  UT3SO CT1APP IM67 (x3)
10m 
UTC    dB Audio  Message
105030 -12 1755  UT3SO PA3BUD JO21 (x3)
110915 -15 1729  UT3SO F4VTR JN25
111330 -19 1734  UT3SO E73KM 73
111500 -18 1229  UT3SO 9A7BKU R-03 (x2)
111800 -16 1742  UT3SO RN6MA -17 (x3)
112330 -15 1924  UT3SO ON5GQ +00 (x2)
112830 -18 1355  UT3SO RN6MA -11 (x2)
113000  -6 1663  UT3SO IW3BS JN55
40m 
UTC    dB Audio  Message
164600 -10 2003  UT3SO LZ1ZF RR73
180445 -20 1994  UT3SO UR6HE R-12
180700  -1 2693  UT3SO HF5A JO92 (x2)
181300 -13 1465  UT3SO IU2HUQ -05 (x2)
181330 -13 1024  UT3SO R2PT KO84
181400 -18 1465  UT3SO IU2HUQ RR73
181400  +9 2390  UT3SO UR5SD KN28 (x3)
181530  -9 1220  UT3SO E70SZ JN84 (x4)
80m 
UTC    dB Audio  Message
193230  -6 1956  UT3SO SP3WAL JO82
193245 +11 1150  CQ UT3SO KN18
193300  -1 1956  UT3SO SP3WAL JO82
193315 +13 1150  SP3WAL UT3SO -19
193330  +2 1956  UT3SO SP3WAL JO82
193345 +15 1150  SP3WAL UT3SO -19 (x2)
193430  +3 1956  UT3SO SP3WAL R-07
193445 +10 1150  SP3WAL UT3SO RR73
193500  +2 1956  UT3SO SP3WAL 73
193515 +13 1150  CQ UT3SO KN18 (x2)
193615 +12 1150  SP4TBJ UT3SO KN18
194600  -1 1150  UT3SO HA5LB JN97 (x2)

Decoder S/N history by band

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