JJ1CBY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JJ1CBY, decoded by SO8OO in southeastern Poland. 107 related FT8 messages, 1 CQ messages, observed on 20m, across 25 UTC dates. Heard between 2026-05-09 and 2026-08-07.

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

107
Related messages
1
CQ messages
25
UTC dates heard
-1 dB
Mean decoder S/N

Bands

20m
First seen: 2026-05-09
Last seen: 2026-08-07 16:01 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 UTCBandJJ1CBY S/NCounterpartCounterpart S/NMsgsCapture
07-24 16:22 20m - / -15 F4CVQ +14 / - 2 Partial capture
07-22 19:29 20m - / -12 OE3OOG -1 / - 2 ✓ Closing fragment
07-02 17:31 20m - / -6 PA4CC +2 / - 2 ✓ Closing fragment
06-28 17:57 20m - / -10 RM4N -8 / - 2 ✓ Closing fragment
06-26 18:55 20m - / -17 OE6FEF +4 / - 2 ✓ Closing fragment
06-26 18:42 20m - / -20 DL1VJL +6 / - 2 ✓ Closing fragment
06-26 18:34 20m - / -8 IQ6PE -20 / - 2 ✓ Closing fragment
06-23 21:19 20m - / -11 5Z4VJ -11 / - 2 ✓ Closing fragment
06-16 18:15 20m -10 / - IQ0VT - / -14 3 ✓ Closing fragment
06-16 18:11 20m -12 / - LY7T - / -5 2 Partial capture
06-16 18:04 20m -10 / - OK1ZJK - / -14 2 Partial capture
06-16 18:00 20m -11 / +8 SM0MPV -21 / -5 5 Partial capture
06-15 18:25 20m - / -16 G4DBW -4 / - 2 ✓ Closing fragment
06-13 18:30 20m - / -9 UZ5DM -2 / - 2 Partial capture
06-13 18:23 20m - / -11 YO5AUV -2 / - 2 Partial capture
06-13 16:08 20m - / -5 YO4DW +1 / - 2 ✓ Closing fragment
06-11 18:22 20m - / -14 EA1B +4 / - 4 ✓ Closing fragment
06-10 20:31 20m - / - IU6STP -2 / - 2 Partial capture
06-10 20:30 20m - / -6 IR0RCAG +10 / - 2 Partial capture
06-10 20:30 20m - / -13 BG2FYO -6 / - 5 ✓ Closing fragment
06-10 20:29 20m - / -18 IU4TQQ -8 / - 2 ✓ Closing fragment
06-10 20:24 20m - / -17 RW4F -2 / - 3 ✓ Closing fragment
06-10 17:40 20m -13 / - ON6WDL -3 / - 2 ✓ Closing observed
06-09 18:12 20m -14 / -8 SV1ABB +7 / -4 4 ✓ Full exchange observed
06-09 16:36 20m - / -19 SV1EAG -8 / - 4 ✓ Closing fragment
06-07 18:35 20m -16 / - <...> - / - 3 Partial capture
06-07 15:26 20m -10 / - R9FFZ +4 / -14 2 Partial capture
06-01 15:37 20m -13 / - EU6AV - / - 3 Partial capture
06-01 13:28 20m - / -10 9V1SV -17 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
184300  +5 2960  JJ1CBY DL1VJL RR73
185345 -16 2337  JJ1CBY IZ0BYM RR73
185500  +3 2416  JJ1CBY OE6FEF -17 (x2)
174900  -1  639  JJ1CBY IR0RPER -16
175030  -6 2679  JJ1CBY RC2EC RR73
175745  -9  564  JJ1CBY RM4N R-10 (x2)
173100  +2  728  JJ1CBY PA4CC -06 (x2)
192945  +3 2389  JJ1CBY OE3OOG -12 (x2)
162230 +13  401  JJ1CBY F4CVQ -15 (x2)
180100 -10 3032  JJ1CBY ON7NQ JO21

Decoder S/N history by band

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