UR3CTU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN59

Receiver-side FT8 activity involving UR3CTU, decoded by SO8OO in southeastern Poland. 606 related FT8 messages, 237 CQ messages, observed on 80m, 40m, 20m, 10m, across 47 UTC dates. Heard between 2026-05-22 and 2026-08-17.

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

606
Related messages
237
CQ messages
47
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-22
Last seen: 2026-08-17 16:17 UTC

Frequent QSO partners observed at SO8OO

Stations UR3CTU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UR3CTU

Approximate centre of KN59, decoded 2026-08-17 18:17 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 UTCBandUR3CTU S/NCounterpartCounterpart S/NMsgsCapture
08-17 18:15 20m -14 / - UR4QWW -8 / -4 5 ✓ Full exchange observed
08-17 18:15 20m -16 / -7 YO4LUP -8 / -7 6 ✓ Full exchange observed
08-17 18:13 20m -13 / - PD3WMA - / -15 2 Partial capture
08-17 18:12 20m -14 / - EA5W -6 / -10 4 ✓ Closing observed
08-17 18:08 20m - / -16 F4ACR -4 / - 2 Partial capture
08-17 09:46 20m - / - PD3LKN -2 / - 11 Partial capture
08-17 09:45 20m - / - PD1ADA -16 / - 9 Partial capture
08-17 09:41 20m - / -3 F4HSB -18 / - 2 Partial capture
08-17 09:38 20m - / +4 IK4TVP -20 / - 2 Partial capture
08-17 09:32 20m - / - F4BYA/P -14 / - 2 Partial capture
08-17 01:19 80m - / - UA4FKT -4 / - 3 Partial capture
08-13 01:37 80m +4 / - EA7LIC - / -14 2 ✓ Closing fragment
08-13 01:34 80m +14 / -8 DO8JB +8 / -2 7 ✓ Full exchange observed
08-13 01:34 80m +14 / - IK2TPX -6 / -9 5 Partial capture
08-13 01:34 80m +10 / +7 SP1MGM +13 / +5 5 ✓ Full exchange observed
08-11 20:09 80m +12 / - DK1MCS -3 / -6 2 Partial capture
08-11 20:09 80m +7 / - PA3FPQ -2 / -9 2 Partial capture
08-10 22:51 40m -8 / - <...> - / - 2 Partial capture
08-10 22:45 40m -10 / - <...> - / - 3 Partial capture
08-10 03:22 80m -2 / - F1PBZ - / -11 2 ✓ Closing fragment
08-10 03:21 80m -8 / - G8OO -15 / -9 3 ✓ Closing observed
08-10 03:14 80m +10 / - OA4CLU - / - 5 Partial capture
08-09 20:03 40m -1 / - EI5LK - / -11 2 Partial capture
08-09 04:53 40m -17 / - EA5HM - / -12 3 Partial capture
08-08 23:54 40m - / -1 F1IQH -16 / - 4 ✓ Closing fragment
08-08 23:39 80m +2 / - DL9KM -23 / -11 2 ✓ Closing observed
08-08 23:38 80m +7 / -8 DL3HN -8 / -13 4 ✓ Full exchange observed
08-08 23:37 80m +7 / -10 SN9AWOO -24 / -14 2 Partial capture
08-08 23:34 80m +12 / - SP4WJ -12 / -15 3 ✓ Full exchange observed
08-08 23:33 80m +13 / - PA4PA -7 / -15 3 Partial capture
08-08 20:41 80m +13 / - <...> - / -3 2 Partial capture
08-08 20:38 80m - / - UA4FKT +10 / - 3 Partial capture
08-08 20:32 80m +1 / -9 F1PBZ +8 / -8 2 Partial capture
08-08 20:32 80m +8 / -9 UR4LG -1 / -3 6 ✓ Full exchange observed
07-31 23:33 40m -8 / - DB5HA - / 0 2 ✓ Closing fragment
07-31 23:31 40m -2 / - M7CYY - / -7 2 ✓ Closing fragment
07-31 15:52 40m -3 / - DF7DC - / -19 3 ✓ Closing fragment
07-31 15:51 40m -4 / - UK8FCM - / -6 2 ✓ Closing fragment
07-29 01:47 80m +12 / +2 DK5WL +2 / +1 5 ✓ Full exchange observed
07-29 01:46 80m +10 / - PT2TD - / -19 2 ✓ Closing fragment
07-29 01:43 80m +10 / - W3SW -18 / -19 4 Partial capture
07-29 01:43 80m +6 / -18 AB1J -16 / -16 4 ✓ Full exchange observed
07-28 17:21 40m +3 / - F1IQH - / -21 2 ✓ Closing fragment
07-28 17:20 40m 0 / - DG2EBG - / -16 2 ✓ Closing fragment
07-28 03:00 40m - / - US2UM -8 / - 2 Partial capture
07-28 02:59 40m -6 / -3 DH5BM -8 / +2 4 ✓ Full exchange observed
07-24 00:27 40m - / -4 F1PBZ -12 / - 2 ✓ Closing fragment
07-23 20:13 80m +8 / -7 DO5HCS -11 / -12 5 ✓ Full exchange observed
07-23 20:10 80m +8 / -3 UR5WDE +14 / -6 6 ✓ Full exchange observed
07-23 20:09 80m +7 / -8 DL8RBR +2 / -5 5 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
181330 -11 2114  PD3WMA UR3CTU -15
181430 -13 2113  EA5W UR3CTU -10 (x2)
181515 -10  372  UR3CTU UR4QWW KN77
181515 -12 2258  UR3CTU YO4LUP KN43
181530 -17 2112  UR4QWW UR3CTU -04
181545  -9  372  UR3CTU UR4QWW R+15
181545  -8 2258  UR3CTU YO4LUP KN43
181600 -10 2111  UR4QWW UR3CTU RR73
181615  -5  371  UR3CTU UR4QWW 73
181630 -16 2111  YO4LUP UR3CTU -07
181645  -5 2258  UR3CTU YO4LUP R-07
181700 -17 2110  YO4LUP UR3CTU RR73
181715  -7 2258  UR3CTU YO4LUP 73
181730 -14 2109  CQ UR3CTU KN59
80m 
UTC    dB Audio  Message
184245  -3 2021  CQ UR3CTU KN59 (x3)
010745  +2 2068  VP8A UR3CTU KN59 (x2)
011915 +10 1564  CQ UR3CTU KN59
011930  -4 1565  UR3CTU UA4FKT LO23 (x2)
012015 +12 1564  CQ UR3CTU KN59
012030  -8 1565  UR3CTU UA4FKT LO23
012045  +8 1564  CQ UR3CTU KN59 (x5)
40m 
UTC    dB Audio  Message
045945 -17 1778  CQ UR3CTU KN59 (x4)
200315  +0  957  EI5LK UR3CTU -11 (x2)
200415  +0  956  CQ UR3CTU KN59 (x2)
224545 -14 1240  <...> UR3CTU KN59 (x5)
024000 -11 1147  UR3CTU RX3ASQ KO95 (x2)
10m 
UTC    dB Audio  Message
164830  -6 2577  UR3CTU DO9BAU JO62 (x3)
092045 -17 1229  CQ UR3CTU KN59 (x2)
092330 -21 1655  UR3CTU RW6HP LN14
092330  -8 1811  UR3CTU F4EOC JN39
092345 -10 1224  F4EOC UR3CTU -03
092400 -23 1655  UR3CTU RW6HP LN14
092400  -8 1810  UR3CTU F4EOC R-02 (x2)
092545 -14 1220  DL3LBK UR3CTU -07
092830 -11 1840  UR3CTU DO9PV R-09 (x2)
090045 +12 2782  UR3CTU F1PBZ RR73

Decoder S/N history by band

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