JA5DKJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA5DKJ, decoded by SO8OO in southeastern Poland. 65 related FT8 messages, observed on 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-05-26 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

65
Related messages
0
CQ messages
21
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-22 19:05 UTC

Activity Heatmap

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 UTCBandJA5DKJ S/NCounterpartCounterpart S/NMsgsCapture
08-22 21:04 40m - / -17 UR1CCT +22 / - 3 ✓ Closing fragment
08-11 19:32 20m - / -22 E74K -10 / - 2 ✓ Closing fragment
08-09 20:19 40m - / -14 OE3PBS -9 / - 2 ✓ Closing fragment
08-07 21:51 20m - / - DF7EF +4 / - 6 Partial capture
07-29 20:40 20m - / - IU2CAT -8 / - 2 ✓ Closing fragment
07-07 21:59 20m - / -19 CT1EEX -15 / - 3 ✓ Closing fragment
06-28 11:41 10m - / -13 UT7IF -9 / - 3 ✓ Closing fragment
06-26 21:08 20m - / -18 4L7T -1 / - 3 Partial capture
06-22 22:40 20m - / -13 JY5IB -14 / - 2 ✓ Closing fragment
06-19 20:42 20m - / -19 4Z1KO -11 / - 4 Partial capture
06-18 20:33 20m -20 / - CX1AR - / -16 2 Partial capture
06-17 21:36 20m -19 / - IS0KNG - / -14 5 Partial capture
06-13 20:26 20m -10 / - EW4IDP - / - 2 ✓ Closing fragment
06-12 19:50 20m -10 / - 9A5AZK - / -11 2 Partial capture
06-11 20:28 20m - / -12 IZ2DPX -10 / - 2 ✓ Closing fragment
06-10 20:53 20m - / -8 IR0RCAG +2 / - 2 Partial capture
06-09 20:03 20m -17 / - 9A5AZK - / -15 7 Partial capture
06-06 20:32 20m - / -15 4L1AX +3 / - 2 ✓ Closing fragment
06-04 20:09 20m -18 / - JY5CG - / -7 2 Partial capture
06-02 19:49 20m - / +8 7Z1IS -4 / - 2 ✓ Closing fragment
06-01 20:51 20m - / -4 EX8ABR/P -8 / - 2 Partial capture
05-31 20:45 20m -19 / - Z34CMF - / -9 3 Partial capture
05-30 19:21 20m - / -14 RA3ZH +13 / - 5 Partial capture
05-30 19:16 20m - / -14 UA4FKT -11 / - 5 ✓ Closing fragment
05-30 19:06 20m -19 / - Z62NS - / -6 3 Partial capture
05-27 08:26 10m - / -24 UN7FHC -12 / - 2 ✓ Closing fragment
05-26 20:07 20m - / -13 RZ4AZ -2 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
201945  -9 1953  JA5DKJ OE3PBS R-14 (x2)
210400 +24  384  JA5DKJ UR1CCT KN69 (x3)
20m
UTC    dB Audio  Message
220045 -14 1613  JA5DKJ CT1EEX R-19 (x2)
204030  -9 2757  JA5DKJ IU2CAT JN45 (x2)
215130  +5 3072  JA5DKJ DF7EF JO30 (x6)
204530 -17 2169  JA5DKJ PY5BH R-14
193230 -11 2129  JA5DKJ E74K R-22 (x2)
193330  -6 1401  JA5DKJ DM5WGL JO62
221130  -8 2039  JA5DKJ A71UN R-10
10m
UTC    dB Audio  Message
081930 -22 1786  JA5DKJ E70Z -24
082330  -4  343  JA5DKJ <...> R-19
082600 -13 1339  JA5DKJ UN7FHC R-24 (x2)
083315 -11 1413  JA5DKJ 9A2G R-06
114100  -9 1510  JA5DKJ UT7IF R-13 (x3)

Decoder S/N history by band

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