JR4ABB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JR4ABB, decoded by SO8OO in southeastern Poland. 78 related FT8 messages, observed on 40m, 10m, across 18 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

78
Related messages
0
CQ messages
18
UTC dates heard
-8 dB
Mean decoder S/N

Bands

40m 10m
First seen: 2026-05-26
Last seen: 2026-08-22 06:59 UTC

Frequent QSO partners observed at SO8OO

Stations JR4ABB worked most often, as logged from our receiver:

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 UTCBandJR4ABB S/NCounterpartCounterpart S/NMsgsCapture
08-22 08:58 10m - / -16 II7MGMU -10 / - 3 Partial capture
08-22 08:25 10m - / +5 SV9MBL -18 / - 2 ✓ Closing fragment
08-21 08:42 10m - / - LZ3AN -14 / - 2 ✓ Closing fragment
08-21 08:39 10m - / -14 TA3MHA -18 / - 2 ✓ Closing fragment
08-21 08:38 10m - / - LZ3AN -14 / - 2 Partial capture
08-21 08:22 10m - / -4 TA6B -14 / - 2 ✓ Closing fragment
08-20 21:20 40m - / - ON4IQ +18 / - 3 Partial capture
08-19 08:17 10m - / -14 IT9IRV -20 / - 2 ✓ Closing fragment
08-17 09:26 10m - / -17 F5SZY +6 / - 2 ✓ Closing fragment
08-17 09:15 10m - / -8 F6BLP -3 / - 4 ✓ Closing fragment
08-02 09:11 10m - / -17 EA8UP -6 / - 3 ✓ Closing fragment
07-02 12:01 10m - / -8 7Q9BK -20 / - 2 ✓ Closing fragment
06-29 21:58 10m - / -16 IW3FVQ -16 / - 2 ✓ Closing fragment
06-29 21:57 10m - / -3 IK4TVP -13 / - 4 ✓ Closing fragment
06-29 21:55 10m - / -4 IK1LRX -22 / - 2 ✓ Closing fragment
06-28 10:18 10m - / - RD7P -11 / - 2 Partial capture
06-28 10:13 10m - / -8 LZ01MIKU -14 / - 2 Partial capture
06-11 21:17 40m - / -11 9X5KM -12 / - 2 Partial capture
06-08 07:57 10m - / 0 OD5JL -10 / - 2 ✓ Closing fragment
06-05 09:26 10m - / -11 R6FMF -10 / - 4 ✓ Closing fragment
06-05 09:24 10m - / - G4PMZ -7 / - 2 Partial capture
05-31 11:18 10m - / - TA2GG +2 / - 6 Partial capture
05-27 08:31 10m - / -2 9A2G -13 / - 2 ✓ Closing fragment
05-27 08:31 10m - / - IU0TPA -5 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

10m 
UTC    dB Audio  Message
081700  +1 1252  JR4ABB II7MGXX -07
081730  -3 1252  JR4ABB RR73; SO1CJ <...> -02
082200  -9 1787  JR4ABB TA6B R-04 (x2)
083845 -14 1841  JR4ABB LZ3AN KN22
083915 -18 1087  JR4ABB TA3MHA R-14 (x2)
083945 -14 1841  JR4ABB LZ3AN KN22 (x3)
082515 -18 1574  JR4ABB SV9MBL R+05 (x2)
085800  -8 1880  JR4ABB II7MGMU R-16 (x3)
40m 
UTC    dB Audio  Message
211700 -12  798  JR4ABB 9X5KM -11 (x2)
212045 +17 2563  JR4ABB ON4IQ JO20 (x3)

Decoder S/N history by band

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