R3ICU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO66

Receiver-side FT8 activity involving R3ICU, decoded by SO8OO in southeastern Poland. 3,895 related FT8 messages, 1,075 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 67 UTC dates. Heard between 2026-05-24 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

3,895
Related messages
1,075
CQ messages
67
UTC dates heard
-9 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-24
Last seen: 2026-08-22 14:25 UTC

Frequent QSO partners observed at SO8OO

Stations R3ICU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R3ICU

Approximate centre of KO66, decoded 2026-08-22 16:25 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 UTCBandR3ICU S/NCounterpartCounterpart S/NMsgsCapture
08-21 21:32 80m -6 / - TF3VS - / -6 2 ✓ Closing fragment
08-21 21:30 80m -11 / -17 CT3MD -6 / -14 5 ✓ Full exchange observed
08-21 21:27 80m -14 / - UA1ABJ -15 / - 3 ✓ Closing observed
08-21 21:24 80m -8 / - R3DQK -12 / - 2 ✓ Closing observed
08-21 21:11 160m - / - DB8WK -10 / - 2 ✓ Closing fragment
08-21 21:02 80m -14 / -11 DL1YAW/P -13 / - 5 Partial capture
08-21 20:58 80m - / -10 G4ZFJ +3 / - 3 ✓ Closing fragment
08-21 20:54 80m -9 / -21 EI4JFB -8 / -15 4 ✓ Full exchange observed
08-21 20:50 80m - / - G4ZFJ -2 / - 5 Partial capture
08-21 20:50 80m -5 / -6 R3VA -7 / - 5 ✓ Closing observed
08-21 20:50 80m - / - F5NNN -18 / - 5 Partial capture
08-21 20:47 80m -2 / -2 DO7RMS -7 / -6 5 ✓ Full exchange observed
08-21 20:46 80m -4 / - EA1DAL - / -10 2 ✓ Closing fragment
08-21 20:43 80m -8 / +2 RY3F -2 / +7 4 ✓ Full exchange observed
08-21 20:34 160m - / - DB8WK -6 / - 4 Partial capture
08-21 20:25 160m - / -21 RT6Z -5 / - 4 ✓ Closing fragment
08-21 20:08 160m - / -20 R2DGN -4 / - 2 ✓ Closing fragment
08-21 20:04 160m - / -7 OZ1DJJ +8 / - 2 ✓ Closing fragment
08-21 19:17 160m - / - DO2RG -1 / - 4 Partial capture
08-21 19:15 160m -18 / - UB3LBU - / - 2 Partial capture
08-21 18:52 80m -8 / - UA3NFG - / -16 2 Partial capture
08-21 18:49 80m -7 / - F6BPZ -10 / -10 3 ✓ Closing observed
08-21 18:47 80m -8 / - RQ3D - / -21 4 Partial capture
08-21 18:46 80m -6 / -7 R2FEA +10 / -4 5 ✓ Full exchange observed
08-21 18:42 80m -7 / - DG8HJ -6 / -15 4 ✓ Closing observed
08-21 18:40 80m -8 / - UA9LLE -17 / -17 4 ✓ Closing observed
08-21 18:40 80m -8 / -10 R2DRE -12 / +8 4 ✓ Full exchange observed
08-21 18:39 80m -7 / - UA4NCX - / -7 2 ✓ Closing fragment
08-21 18:38 80m -7 / - UB3AMO - / -5 2 ✓ Closing fragment
08-21 18:36 80m -8 / -16 R2DYC -10 / +8 5 ✓ Full exchange observed
08-21 18:36 80m -8 / -14 RW4HD -1 / - 3 ✓ Closing observed
08-21 18:35 80m -10 / +1 OK1FRG +12 / -9 3 ✓ Full exchange observed
08-21 18:34 80m -6 / +1 RA5CW -14 / -3 3 ✓ Full exchange observed
08-21 18:32 80m -6 / -13 R8LCI -15 / -14 7 ✓ Full exchange observed
08-21 18:28 40m -8 / -13 R4HNW -4 / - 2 Partial capture
08-21 18:27 40m -7 / - UA1OIZ - / - 2 Partial capture
08-21 18:16 40m -8 / -12 R3BCK -1 / -3 12 ✓ Full exchange observed
08-21 18:11 40m -9 / - RU3FW -9 / - 2 ✓ Closing observed
08-21 18:10 40m -14 / - GM5DNA - / -2 2 Partial capture
08-21 18:08 40m -16 / - R3BCK - / - 2 Partial capture
08-21 18:01 40m -16 / - RN6M - / -8 4 ✓ Closing fragment
08-21 17:57 40m -13 / - RN7B -4 / 0 2 Partial capture
08-21 17:54 40m - / -13 RA6OD +1 / - 4 ✓ Closing fragment
08-21 17:48 40m -16 / - R4RZ - / +2 2 ✓ Closing fragment
08-21 17:43 40m -14 / - DL2YCP - / -19 2 ✓ Closing fragment
08-21 17:40 40m - / - IU5VLR -12 / - 2 Partial capture
08-21 17:22 40m - / - DG4LXM -3 / - 2 ✓ Closing fragment
08-21 16:07 40m -2 / - LA5LLA - / - 2 Partial capture
08-21 16:05 40m -12 / - RA3M - / - 2 Partial capture
08-21 16:03 40m -11 / -10 RA4HTH -17 / 0 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
132100 -24 1782  CQ R3ICU KO66
132315 -23 1782  <...> R3ICU KO66
132445 -24 1782  CQ R3ICU KO66 (x10)
133515 -21 1782  RZ9OL R3ICU KO66
162400 -20 1091  UA9MKA R3ICU KO66
162500 -20 1092  CQ R3ICU KO66
20m 
UTC    dB Audio  Message
173430  +0 1869  R3ICU RT4A -13 (x8)
175615  +0 1154  R3ICU F4ACR IN96
181545  -2 1984  R3ICU OE9DAI R-02 (x2)
153730 -12 1616  R3ICU CT1BFP IM59 (x3)
121745 -18 1786  R3ICU RA6MQ -17
80m 
UTC    dB Audio  Message
212745 -15 1776  R3ICU UA1ABJ RRR
212800 -14 2113  UA1ABJ R3ICU RR73
212815 -15 1775  R3ICU UA1ABJ 73
212830 -18 2113  CQ R3ICU KO66 (x3)
213000 -12 2113  CT3MD R3ICU KO66
213015  -7  929  R3ICU CT3MD -17
213030 -11 2113  CT3MD R3ICU R-14
213045  -5  929  R3ICU CT3MD RR73
213100 -10 2113  CT3MD R3ICU 73
213200  -3 2113  TF3VS R3ICU -06 (x2)
213300 -13 2113  CQ R3ICU KO66 (x2)
160m 
UTC    dB Audio  Message
200900  -5  888  R3ICU R2DGN RR73
202545 -12 1699  R3ICU RT6Z -21 (x4)
202945 -21 2141  R3ICU LA6PTA -21
203415  -3 1783  R3ICU DB8WK JO33 (x4)
203615 -20 1883  R3ICU UD8S -22
211100 -11 2044  R3ICU DB8WK RRR (x2)
212300 -18 2105  LB7ZG R3ICU KO66
212715  -3 2105  R3ICU YL3KZ KO16
10m 
UTC    dB Audio  Message
120200  -4 2582  R3ICU RX7O -07 (x2)
125830 -13 2508  R3ICU R6FFB LN14 (x3)
134315 -19 1683  R3ICU RA6ALF -15
091615  -5 1508  R3ICU SV2AEL KN10 (x3)
134730 -15 1508  R3ICU DL0ARN JO50 (x2)
130745 -24 1599  R3ICU F4HQL JN29
081845 -17 2290  R3ICU DM5KM -16 (x3)

Decoder S/N history by band

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