JA8DKJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: QN03

Receiver-side FT8 activity involving JA8DKJ, decoded by SO8OO in southeastern Poland. 133 related FT8 messages, 10 CQ messages, observed on 80m, 40m, 20m, across 11 UTC dates. Heard between 2026-05-26 and 2026-08-23.

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

133
Related messages
10
CQ messages
11
UTC dates heard
-4 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 18:22 UTC

Activity Heatmap

Locator transmitted by JA8DKJ

Approximate centre of QN03, decoded 2026-08-23 19:52 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 UTCBandJA8DKJ S/NCounterpartCounterpart S/NMsgsCapture
08-23 20:21 40m - / -1 S58Z +5 / - 3 ✓ Closing fragment
08-23 20:00 80m - / -15 YO4NT +9 / - 2 ✓ Closing fragment
08-23 19:56 80m - / - IK5CHL +4 / - 2 Partial capture
08-23 19:54 80m - / -12 R7CD +1 / - 4 ✓ Closing fragment
08-04 08:30 20m - / - HB9CAL -6 / - 2 Partial capture
08-04 08:29 20m - / -6 IK4LZH +4 / - 4 ✓ Closing fragment
07-29 20:52 20m - / -12 M7CWF -12 / - 2 ✓ Closing fragment
07-29 20:41 20m - / - F5OYA/P -14 / - 4 ✓ Closing fragment
07-29 20:40 20m - / -8 M7NTL -3 / - 4 ✓ Closing fragment
06-18 07:52 20m - / 0 KC9USW -1 / - 3 ✓ Closing fragment
06-16 20:31 20m -4 / - G7FSI +4 / -5 3 ✓ Closing observed
06-16 20:30 20m -2 / - UT8SQ - / -6 3 Partial capture
06-16 20:29 20m -2 / - DG9XN - / -6 2 ✓ Closing fragment
06-16 20:26 20m -4 / - YU1NTP - / -4 5 ✓ Closing fragment
06-16 20:25 20m -3 / - DL3MCW - / +3 2 ✓ Closing fragment
06-16 20:24 20m -4 / - M7JVT -8 / -5 3 ✓ Closing observed
06-16 20:18 20m -6 / -17 EA3HRE +3 / -7 5 Partial capture
06-16 20:17 20m -2 / -21 EC1DD +4 / -6 7 ✓ Full exchange observed
06-16 20:16 20m -7 / - SP5LST - / -8 2 ✓ Closing fragment
06-12 06:54 20m - / -10 EA1FCF 0 / - 2 ✓ Closing fragment
06-12 06:52 20m - / -15 F4LNM 0 / - 3 ✓ Closing fragment
06-12 06:49 20m - / - DL2RPN +4 / - 3 Partial capture
06-12 06:41 20m - / +3 I2RFJ +16 / - 2 ✓ Closing fragment
06-12 06:36 20m - / -3 HB9TWU -10 / - 2 ✓ Closing fragment
06-12 06:24 20m - / -17 DL8RBL -15 / - 2 ✓ Closing fragment
06-12 06:23 20m -8 / -4 DL1MKW +18 / - 4 ✓ Closing observed
06-12 06:18 20m -12 / -8 DF7JS -16 / -5 6 ✓ Full exchange observed
06-07 20:58 20m - / - HB9TIH -9 / - 4 Partial capture
06-02 20:31 20m - / - EA4HGI -14 / - 6 Partial capture
06-02 20:26 20m -4 / -15 EA5AD -12 / - 5 ✓ Closing observed
06-02 20:26 20m -5 / - SV1GYN -13 / -7 2 ✓ Closing observed
06-02 20:22 20m - / -9 YO7LMU -6 / - 4 ✓ Closing fragment
06-02 20:18 20m -6 / - TA4AB - / - 3 Partial capture
06-02 20:17 20m -5 / - PD1HPB - / -12 3 ✓ Closing fragment
06-02 20:15 20m -4 / - EP2AES - / -18 4 ✓ Closing fragment
06-02 20:13 20m -5 / - TL8BNW - / - 3 Partial capture
06-02 20:12 20m -4 / - BI1AFK - / -11 2 ✓ Closing fragment
06-02 20:08 20m -5 / - OZ8ZO - / -4 4 Partial capture
06-02 20:06 20m -2 / -11 MM0JTV +6 / -4 7 ✓ Full exchange observed
06-02 20:03 20m -6 / - SV9TLU -8 / -12 5 ✓ Closing observed
06-02 20:02 20m -3 / - 7Z1IS - / -1 3 ✓ Closing fragment
05-31 21:02 20m -4 / -10 EC1ABV +2 / - 4 ✓ Closing observed
05-31 20:59 20m -5 / - OJ0Z - / - 4 Partial capture
05-31 20:55 20m 0 / -8 I2WDK -9 / -9 9 Partial capture
05-31 20:52 20m +2 / - DL6NAC - / -10 2 ✓ Closing fragment
05-31 20:52 20m +1 / -13 IW8EYF -17 / -17 10 ✓ Full exchange observed
05-31 20:50 20m +7 / - PD2XX - / -7 2 Partial capture
05-31 20:49 20m - / - TA2EE -9 / - 4 Partial capture
05-31 20:47 20m +6 / - UT2SQ - / +2 4 ✓ Closing fragment
05-31 20:46 20m +4 / - DH5AZ - / -1 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
203830  -5  774  JA8DKJ 9X5KM RR73
201330 -13 1322  JA8DKJ LZ5UY -09
201900 +25 2889  JA8DKJ SP6JIU RR73
202100  +4  643  JA8DKJ S58Z -01 (x3)
80m
UTC    dB Audio  Message
195200 -24 1558  R7CD JA8DKJ QN03
195415  +0 1182  JA8DKJ R7CD -12 (x4)
195615  +4 2304  JA8DKJ IK5CHL JN53 (x2)
200000 +10 1587  JA8DKJ YO4NT -15 (x2)
20m
UTC    dB Audio  Message
204030 -22 1493  JA8DKJ CT1FIU 73
204100  -3  720  JA8DKJ M7NTL R-08 (x2)
204130 -15 2131  JA8DKJ F5OYA/P JN13 (x4)
205200 -11  737  JA8DKJ M7CWF -12 (x2)
082915  +2  462  JA8DKJ IK4LZH JN54 (x2)
083045  -4 1077  JA8DKJ HB9CAL JN47
083045  +5  462  JA8DKJ IK4LZH R-06
083115  -7 1076  JA8DKJ HB9CAL JN47
083115  +7  462  JA8DKJ IK4LZH 73

Decoder S/N history by band

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