UR4IAF — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN88

Receiver-side FT8 activity involving UR4IAF, decoded by SO8OO in southeastern Poland. 96 related FT8 messages, observed on 40m, 20m, 10m, across 25 UTC dates. Heard between 2026-05-29 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

96
Related messages
0
CQ messages
25
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-29
Last seen: 2026-08-24 04:44 UTC

Activity Heatmap

Locator transmitted by UR4IAF

Approximate centre of KN88, decoded 2026-08-24 06:57 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 UTCBandUR4IAF S/NCounterpartCounterpart S/NMsgsCapture
08-24 07:10 20m -6 / - VK3EMR - / -8 2 Partial capture
08-24 06:56 20m +2 / - AD9GE - / -6 7 ✓ Closing fragment
08-24 06:52 20m +2 / - VK3AWA - / -8 3 ✓ Closing fragment
08-12 17:39 20m -8 / -6 CR5VP -13 / -1 5 ✓ Full exchange observed
08-12 05:48 20m -9 / - TI5RR - / - 2 Partial capture
08-12 05:05 20m -10 / -13 V31DL -12 / +1 5 ✓ Full exchange observed
08-10 18:38 20m - / -1 TT1GD -7 / - 2 ✓ Closing fragment
07-25 18:46 20m - / -10 2E1HAT +2 / - 2 ✓ Closing fragment
07-09 14:08 20m -16 / - T22TT - / - 2 Partial capture
07-05 18:46 20m - / -6 DA0WWA -6 / - 3 ✓ Closing fragment
07-04 09:03 20m - / +8 TM8WWA -14 / - 3 Partial capture
07-03 12:21 20m - / -8 II7WWA -19 / - 2 ✓ Closing fragment
06-29 15:23 20m -12 / - <...> - / -12 2 Partial capture
06-28 11:20 10m +3 / - 7Q3WS - / - 17 Partial capture
06-27 19:17 20m -8 / - BI8SCC - / -7 2 Partial capture
06-27 19:09 20m -10 / - M1FJG - / 0 2 Partial capture
06-26 13:17 20m - / -8 <...> -12 / - 2 Partial capture
06-25 19:02 40m - / -16 II0RTER -7 / - 3 Partial capture
06-25 17:18 40m - / -10 IQ2DB -13 / - 2 ✓ Closing fragment
06-25 17:11 10m - / 0 CN2DX -2 / - 2 ✓ Closing fragment
06-24 20:37 40m - / -16 IQ0OS -12 / - 2 ✓ Closing fragment
06-22 08:40 20m -19 / -7 <...> -4 / -6 2 Partial capture
06-22 08:08 20m -10 / - IQ6PE - / -5 2 ✓ Closing fragment
06-17 19:03 20m -3 / -11 IQ4LH -2 / -9 5 ✓ Full exchange observed
06-17 18:01 40m -10 / -17 <...> -1 / - 2 Partial capture
06-16 20:52 40m -14 / - IQ8PZ - / +6 3 Partial capture
06-16 20:48 40m - / -5 CT7AIU -7 / - 2 ✓ Closing fragment
06-16 20:46 40m -9 / -20 IK4LZH +6 / +5 4 ✓ Full exchange observed
06-15 07:37 20m -3 / - EA3FZN - / +1 2 ✓ Closing fragment
06-15 07:32 20m -7 / - IQ6PE - / -11 5 ✓ Closing fragment
06-15 07:16 20m -4 / -16 IQ0OS -12 / - 3 ✓ Closing observed
06-14 19:21 20m - / -11 JA0LFV +7 / - 2 ✓ Closing fragment
06-14 12:19 10m +3 / - OE8PPL - / -1 2 Partial capture
06-14 12:14 10m 0 / - DL7GCW - / - 2 ✓ Closing fragment
06-13 14:08 10m - / -7 7Q3CM -10 / - 2 ✓ Closing fragment
06-13 08:29 20m -10 / -6 <...> -10 / - 2 Partial capture
06-13 05:40 20m +3 / +5 <...> -3 / -8 4 Partial capture
06-13 05:03 20m +1 / - TI2SD - / -11 6 ✓ Closing fragment
06-12 18:52 20m -6 / -7 CS8ABF -12 / -1 5 ✓ Full exchange observed
06-12 18:51 20m -4 / - IU3QNS - / -8 3 ✓ Closing fragment
06-12 18:47 20m -1 / +9 IQ1BK -4 / +1 6 Partial capture
06-12 18:45 20m +2 / - M7BLJ - / -5 2 Partial capture
06-12 18:40 20m +6 / - IQ9NI - / - 4 Partial capture
06-10 11:16 10m -8 / - S55A - / - 2 ✓ Closing fragment
06-08 09:10 20m -2 / - <...> - / -2 2 Partial capture
06-08 09:09 20m - / -7 IR7RMAT +8 / - 2 Partial capture
06-08 09:05 20m -4 / -7 IQ0OS -14 / - 3 ✓ Closing observed
06-08 08:02 20m -2 / - IQ6PE - / -7 4 Partial capture
06-08 07:58 20m -8 / - <...> - / +3 2 Partial capture
06-08 07:53 20m -6 / - IQ0VT - / -3 7 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
174130 -13 2035  UR4IAF PD1ADA 73
064415 -12  369  UR4IAF HC2GRC -10
065215  -6  670  VK3AWA UR4IAF KN88 (x3)
065415  +0  669  WF7B UR4IAF KN88
065600  -3  668  AD9GE UR4IAF KN88 (x7)
071015 -10  663  VK3EMR UR4IAF R-08 (x2)
40m
UTC    dB Audio  Message
205315 -11 1597  UR4IAF II3RPAD -05
205330 -16  451  IQ8PZ UR4IAF R+06
063045 -18 1609  UR4IAF PE1BSF RRR
180100  -1  605  UR4IAF <...> -17
180215 -10 1660  <...> UR4IAF KN88
180900  -6 1709  UR4IAF IQ3UCY -13
203715 -12  876  UR4IAF IQ0OS -16 (x2)
171800 -13 1150  UR4IAF IQ2DB -10 (x2)
184030  -9  605  UR4IAF IR0RPER -11
190245  -6  774  UR4IAF II0RTER -16 (x3)
142145 -20 1213  T22TT UR4IAF KN88
10m
UTC    dB Audio  Message
112215  +2 2059  7Q3WS UR4IAF KN88 (x15)

Decoder S/N history by band

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