JK1KSB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM95

Receiver-side FT8 activity involving JK1KSB, decoded by SO8OO in southeastern Poland. 296 related FT8 messages, observed on 80m, 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-20 and 2026-08-16.

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

296
Related messages
0
CQ messages
37
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-20
Last seen: 2026-08-16 16:52 UTC

Activity Heatmap

Locator transmitted by JK1KSB

Approximate centre of PM95, decoded 2026-08-13 19:32 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 UTCBandJK1KSB S/NCounterpartCounterpart S/NMsgsCapture
08-13 19:30 20m -12 / - EA9ADC - / - 2 Partial capture
08-12 19:47 20m - / -19 OS4K -21 / - 2 Partial capture
08-08 16:30 20m - / -11 MM0TBH -13 / - 4 ✓ Closing fragment
08-04 15:21 20m - / -10 G0RVY -12 / - 2 ✓ Closing fragment
08-03 17:12 20m - / - IU1DOF -20 / - 2 Partial capture
08-03 17:01 20m - / - US3LX -17 / - 5 Partial capture
08-03 15:47 20m - / - DK2CF +4 / - 2 Partial capture
08-03 15:47 20m - / - IV3KZF -1 / - 3 ✓ Closing fragment
07-25 16:52 20m - / -13 F5PGA +2 / - 3 ✓ Closing fragment
07-25 16:47 20m - / -10 IU3UJO -5 / - 3 Partial capture
07-25 16:45 20m -20 / - OT6V -14 / -6 2 ✓ Closing observed
07-25 15:31 20m - / -4 ON4JMV -16 / - 2 Partial capture
07-25 15:31 20m - / -3 RL3K -16 / - 2 Partial capture
07-25 15:29 20m - / -10 M7YBX -5 / - 4 Partial capture
07-25 15:27 20m -20 / - PC5R -16 / -21 3 ✓ Closing observed
07-25 15:26 20m - / - R3DHP -18 / - 3 Partial capture
07-25 15:26 20m - / - R6ZEJ -14 / - 3 Partial capture
07-25 15:24 20m -20 / - BH4GWF - / +4 2 ✓ Closing fragment
07-25 15:20 20m - / -14 M7YBX -16 / - 2 Partial capture
07-25 15:17 20m -18 / -12 GM0SDV -15 / -12 7 ✓ Full exchange observed
07-25 15:16 20m -19 / - TA7D - / -11 4 ✓ Closing fragment
07-25 15:11 20m -19 / - LA3GL - / -7 5 Partial capture
07-25 14:20 20m - / - IK1BQD -2 / - 5 Partial capture
07-23 16:05 20m - / - R6DVV -22 / - 2 Partial capture
07-23 06:21 20m - / -5 TK5K -5 / - 2 ✓ Closing fragment
07-22 15:41 20m - / -15 PE9JAN -16 / - 4 Partial capture
07-20 04:45 20m - / - RC6OU +10 / - 5 Partial capture
07-18 17:06 20m - / - UA9SAV -10 / - 2 Partial capture
07-17 18:16 20m - / - DK1MCS -12 / - 2 Partial capture
07-17 18:11 20m - / -18 UT7UJ +8 / - 5 ✓ Closing fragment
07-16 17:27 20m - / - EA5OM -12 / - 3 Partial capture
07-16 17:12 20m - / -12 PD1ADA -18 / - 2 Partial capture
07-16 15:21 20m - / - RK6AAC -21 / - 2 Partial capture
07-16 15:19 20m - / -13 GU0SUP +2 / - 2 ✓ Closing fragment
07-15 17:39 20m - / -7 S09S +2 / - 2 ✓ Closing fragment
07-13 17:03 20m - / -16 OE6CLD -4 / - 3 ✓ Closing fragment
07-13 16:48 20m - / -22 PD3PAM -2 / - 3 Partial capture
07-13 16:46 20m -24 / -5 DH1NGL -12 / - 5 ✓ Closing observed
07-12 18:26 20m - / - UA3ON -14 / - 3 Partial capture
07-12 18:24 20m - / -8 YO5EEE -8 / - 4 Partial capture
07-12 18:21 20m - / - F4MUD +1 / - 8 ✓ Closing fragment
07-12 18:19 20m - / -9 IZ8QXY +4 / - 9 ✓ Closing fragment
07-12 18:01 20m - / - UA3ON -8 / - 2 Partial capture
07-10 18:29 20m - / -14 EA3DM -8 / - 2 Partial capture
07-10 18:22 20m - / -13 CN2DX -1 / - 2 ✓ Closing fragment
07-10 17:52 20m - / - PD0GFP -20 / - 10 Partial capture
07-09 17:07 20m - / -9 IU2OQT -14 / - 6 ✓ Closing fragment
07-09 17:03 20m -9 / - <...> - / - 6 Partial capture
07-09 16:58 20m -10 / - OK1UOZ - / -8 2 ✓ Closing fragment
07-09 16:53 20m -7 / - <...> - / -19 7 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
174215 -17  901  JK1KSB A61CK RR73
204545  +1 2960  JK1KSB SV6JHA KM09
185215  -3  983  JK1KSB EN35UKR -15
20m
UTC    dB Audio  Message
152230 -13  750  JK1KSB G0RVY RR73
160715  -4 2911  GM5RDX JK1KSB 73
160845  -6 2912  SM3MLX JK1KSB 73
163045 -14 1131  JK1KSB MM0TBH -11 (x4)
170115 -13  744  9K2MP JK1KSB PM95 (x3)
194700 -19 1761  JK1KSB OS4K -19 (x2)
193000  -8 2668  EA9ADC JK1KSB PM95 (x2)
193700 -20 1525  PD4HC JK1KSB -16
80m
UTC    dB Audio  Message
193945  +7 2610  JK1KSB SQ9DJQ +06 (x7)
200000  +7 1403  JK1KSB RA3GZ KO92 (x3)
200600  -4 2349  JK1KSB UF5F KO98 (x3)
10m
UTC    dB Audio  Message
145230  -7 1512  JK1KSB 7Q6M -06 (x2)

Decoder S/N history by band

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