UT5ZC — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Locator transmitted in a decoded message: KN57

Receiver-side FT8 activity involving UT5ZC, decoded by SO8OO in southeastern Poland. 3,590 related FT8 messages, 1,804 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 41 UTC dates. Heard between 2026-05-26 and 2026-08-19.

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

3,590
Related messages
1,804
CQ messages
41
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-26
Last seen: 2026-08-19 18:07 UTC

Frequent QSO partners observed at SO8OO

Stations UT5ZC worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by UT5ZC

Approximate centre of KN57, decoded 2026-08-19 20:01 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 UTCBandUT5ZC S/NCounterpartCounterpart S/NMsgsCapture
08-19 19:54 160m +8 / -3 SP6AXW +4 / -4 8 ✓ Full exchange observed
08-19 15:55 80m -3 / - ZL1RPC - / -17 2 ✓ Closing fragment
08-19 15:52 80m -2 / - YC6BKO - / -19 2 ✓ Closing fragment
08-19 02:14 80m +11 / -17 PP5WX -11 / -14 9 ✓ Full exchange observed
08-19 02:11 80m +14 / -9 KE4EB -18 / -14 7 ✓ Full exchange observed
08-19 02:06 80m +12 / - TI2ALF - / - 8 Partial capture
08-19 02:05 80m +15 / - LU3EMN - / - 2 Partial capture
08-19 02:03 80m +9 / - PY5JO - / - 3 Partial capture
08-19 02:00 80m +12 / - PY2PIC - / -19 3 Partial capture
08-19 01:56 80m +9 / - ZP5DBC - / -7 8 ✓ Closing fragment
08-19 01:53 80m - / - IK4LZH +8 / - 4 Partial capture
08-19 01:50 80m +5 / -2 MM0KQC 0 / -7 4 ✓ Full exchange observed
08-19 01:45 80m - / - IK4LZH -2 / - 2 Partial capture
08-19 01:41 80m - / - IK4LZH +7 / - 4 Partial capture
08-19 01:37 80m +18 / - DO5PY +2 / -13 5 ✓ Full exchange observed
08-19 01:37 80m - / - EB1LA -11 / - 3 Partial capture
08-19 01:35 160m +7 / - ZS1LS - / - 3 Partial capture
08-19 01:33 160m +8 / - DG7JG - / -20 2 Partial capture
08-19 01:29 160m +9 / +10 UA4FKT 0 / -5 6 ✓ Full exchange observed
08-18 20:12 40m -10 / - JF2XGF - / - 2 ✓ Closing fragment
08-18 20:10 40m -9 / - DL1MST -6 / -10 4 ✓ Full exchange observed
08-18 20:08 40m - / - RN6MA -12 / - 2 Partial capture
08-18 20:07 40m -9 / - DB5HA -22 / -16 3 Partial capture
08-18 20:02 80m +11 / -7 DO1BTW +17 / -6 6 ✓ Full exchange observed
08-18 19:58 80m +11 / +4 5P7ZZ -1 / -14 8 ✓ Full exchange observed
08-18 19:55 160m +6 / - LA8ZIA - / -24 3 ✓ Closing fragment
08-18 19:44 160m +4 / -12 SP9CSE +3 / -17 9 ✓ Full exchange observed
08-18 19:44 160m - / - IK1LRX -11 / - 4 Partial capture
08-18 19:42 160m +6 / - JA7EVP - / -1 4 ✓ Closing fragment
08-18 19:38 160m +8 / 0 SP2LLP -5 / -7 5 ✓ Full exchange observed
08-18 19:37 160m - / -1 UT6HN +3 / - 3 Partial capture
08-18 19:36 160m +4 / -2 SQ2BXI +19 / -10 4 ✓ Full exchange observed
08-18 19:34 160m +8 / - VK3ALS - / - 4 Partial capture
08-18 19:31 80m +11 / - YO1BRANCUSI - / -17 2 Partial capture
08-18 19:29 80m +9 / - JA7GLO - / -10 3 ✓ Closing fragment
08-18 19:22 80m +6 / -16 SP5MXW/P +10 / -12 11 ✓ Full exchange observed
08-18 19:20 80m +10 / - JA0GCI - / -16 2 ✓ Closing fragment
08-18 19:18 80m - / - PE1EZC -8 / - 2 Partial capture
08-18 19:16 80m +7 / - YO1BRANCUSI - / -15 3 Partial capture
08-17 19:08 20m -12 / - 9A60CBM - / -21 2 Partial capture
08-17 19:07 20m -11 / - RZ3Z/P - / - 2 Partial capture
08-17 19:02 20m -15 / - BG2GWN - / - 4 ✓ Closing fragment
08-17 18:58 20m - / -8 ON2BCB +3 / - 3 ✓ Closing fragment
08-17 17:42 80m - / - DH1DK +1 / - 4 Partial capture
08-17 17:41 80m +6 / +7 SP4WJ -3 / -19 5 ✓ Full exchange observed
08-17 17:26 80m - / - UA4NCX -17 / - 4 Partial capture
08-17 17:14 80m 0 / - JI1UMC - / -15 2 ✓ Closing fragment
08-17 17:10 80m +1 / -9 DJ9WH -7 / -15 5 ✓ Full exchange observed
08-17 17:05 40m - / - DL9KM -13 / - 4 Partial capture
08-17 16:57 40m -11 / - ZS6ABD - / -15 9 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
155600  -6 1597  CQ UT5ZC KN57 (x7)
155900 -20 1145  UT5ZC R4BD LN28
155915  -7 1597  CQ UT5ZC KN57 (x5)
200715 -24 2215  UT5ZC EA1CP -07
200745 -24 1779  UT5ZC RC3LD KO63
160m 
UTC    dB Audio  Message
195530  +9 1916  UT5ZC SP6AXW JO80 (x2)
195615  +8 1503  SP6AXW UT5ZC -04
195630  -6 1916  UT5ZC SP6AXW R-03
195645  +8 1503  SP6AXW UT5ZC RR73
195700  +1 1916  UT5ZC SP6AXW 73
195715  +9 1503  CQ UT5ZC KN57 (x9)
40m 
UTC    dB Audio  Message
200800  -9 1586  DB5HA UT5ZC -16
200815 -14 1587  UT5ZC RN6MA +19
200830 -12 1586  CQ UT5ZC KN57                         a1
200845 -11 1587  UT5ZC RN6MA +19
200900 -18 1587  DH5BM UT5ZC -18
201000 -14 1586  CQ UT5ZC KN57
201015 -14  955  UT5ZC PF1B JO22
201030 -14 1587  CQ UT5ZC KN57
201045  -7  665  UT5ZC DL1MST JO30
201100  -8 1587  DL1MST UT5ZC -10
201115  -4  665  UT5ZC DL1MST R+13
201130 -10 1586  DL1MST UT5ZC RR73
201200  -9 1586  JF2XGF UT5ZC KN57 (x2)
201330  -5 1587  CQ UT5ZC KN57
20m 
UTC    dB Audio  Message
185700 -22 1734  CQ UT5ZC KN57                         a1
185845  +5  950  UT5ZC ON2BCB -08 (x3)
190030 -16 2107  SP6AMI UT5ZC R-11
190130 -18 2107  CQ UT5ZC KN57 (x2)
190230 -18 2083  BG2GWN UT5ZC KN57 (x4)
190715 -13  762  RZ3Z/P UT5ZC KN57 (x2)
190815 -12  770  9A60CBM UT5ZC KN57 (x2)
10m 
UTC    dB Audio  Message
114300  -9 1509  OD5JL UT5ZC KN57 (x2)
114845  -8  662  UT5ZC SV2CLJ KN10 (x3)
121130  +0 2709  UT5ZC IQ4JO JN63 (x3)
121300  -9 2393  UT5ZC DK7UY JO44 (x2)
182045  -4 1505  JY4CI UT5ZC KN57 (x3)
190215 -12 1593  UT5ZC D09JT -11 (x2)

Decoder S/N history by band

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