S51I — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN76

Receiver-side FT8 activity involving S51I, decoded by SO8OO in southeastern Poland. 81 related FT8 messages, observed on 20m, 10m, across 23 UTC dates. Heard between 2026-04-27 and 2026-07-23.

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

81
Related messages
0
CQ messages
23
UTC dates heard
-11 dB
Mean decoder S/N

Bands

20m 10m
First seen: 2026-04-27
Last seen: 2026-07-23 04:04 UTC

Frequent QSO partners observed at SO8OO

Stations S51I worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by S51I

Approximate centre of JN76, decoded 2026-07-23 06:03 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 UTCBandS51I S/NCounterpartCounterpart S/NMsgsCapture
07-23 05:58 20m -12 / -7 VK3TZ -12 / -14 11 Partial capture
07-21 07:49 20m -4 / +5 TK5K +10 / -6 6 ✓ Full exchange observed
07-21 07:44 20m -2 / - HC2GRC - / - 5 Partial capture
07-20 18:36 10m - / - IW7DHC -16 / - 2 Partial capture
07-17 05:17 20m - / -8 TI5RR -14 / - 2 Partial capture
07-17 05:13 20m - / -15 TA3ZGR -22 / - 2 Partial capture
07-16 16:45 20m - / -14 JG3TRB -12 / - 3 ✓ Closing fragment
07-14 18:56 20m 0 / - TF3VE - / - 5 Partial capture
07-14 18:52 20m -3 / - JA1PSS -17 / -2 5 ✓ Closing observed
07-14 14:15 20m -5 / - EA7LMA - / -19 3 Partial capture
07-14 14:06 20m -5 / - 9W8ZZK - / -18 10 ✓ Closing fragment
07-13 13:13 20m -9 / - BG8HNC - / - 2 Partial capture
07-09 07:16 20m -20 / - VK3XIL - / - 2 Partial capture
07-08 07:21 20m -16 / - <...> - / - 2 Partial capture
07-08 06:59 20m -12 / - <...> - / -17 15 Partial capture
07-05 08:45 20m -5 / - K2L - / - 9 Partial capture
07-05 07:56 20m -4 / - Z30WWA - / -14 9 Partial capture
06-25 04:56 20m -13 / - V31DL - / - 8 Partial capture
06-22 07:25 20m -23 / - VK5KDS - / - 2 Partial capture
06-22 06:56 20m - / - IZ2SXZ -19 / - 4 Partial capture
06-20 08:22 20m - / - F5RRS -3 / - 4 Partial capture
06-16 09:08 10m - / 0 D2UY -2 / - 2 ✓ Closing fragment
06-11 17:18 20m - / -12 JA3FYC -2 / - 3 ✓ Closing fragment
06-10 18:26 10m - / -25 LZ3PLD -20 / - 2 Partial capture
06-10 18:12 10m - / -25 LZ3PLD -16 / - 4 Partial capture
06-10 17:47 10m - / - LZ3PLD -8 / - 4 Partial capture
06-07 03:55 20m - / -14 VK5BU -17 / - 2 ✓ Closing fragment
06-04 17:48 20m - / -11 JK7IKU 0 / - 2 ✓ Closing fragment
06-04 08:09 20m -4 / - P40AA - / - 6 Partial capture
06-04 07:36 20m +10 / - VK3JLM - / - 8 Partial capture
06-01 03:56 20m - / -16 AD9DU -14 / - 2 Partial capture
05-26 08:51 20m - / - DJ0OP +5 / - 5 Partial capture
05-26 08:15 20m -11 / - VK7NET - / -13 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
075115  -4 1384  TK5K S51I R-06
075130  +9  427  S51I TK5K RR73
075145  -6 1384  TK5K S51I 73
055430  -2 1519  <...> S51I JN76
055845  -9 1519  VK3TZ S51I JN76 (x9)
060430 -12  739  S51I VK3TZ -07
060445  -5 1519  VK3TZ S51I R-14
10m 
UTC    dB Audio  Message
174745  +7 1435  S51I LZ3PLD KN32 (x10)
090800  -2  294  S51I D2UY +00 (x2)
061215 -21 2103  S51I EA3DG JN11
183630 -18 1192  S51I IW7DHC JN81 (x2)

Decoder S/N history by band

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