JA1MJN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA1MJN, decoded by SO8OO in southeastern Poland. 92 related FT8 messages, 1 CQ messages, observed on 80m, 40m, 20m, across 8 UTC dates. Heard between 2026-06-09 and 2026-08-18.

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

92
Related messages
1
CQ messages
8
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-06-09
Last seen: 2026-08-18 16:50 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 UTCBandJA1MJN S/NCounterpartCounterpart S/NMsgsCapture
08-18 18:49 80m - / -12 R7CD +1 / - 4 Partial capture
08-16 19:22 20m - / - DB1EF -22 / - 2 Partial capture
08-08 19:58 20m - / - DL1R +4 / - 9 Partial capture
08-04 20:28 20m - / -20 EA3IE -6 / - 4 Partial capture
08-04 20:16 20m - / -14 EA1B -8 / - 5 ✓ Closing fragment
08-04 20:11 20m - / - EA1DP -18 / - 2 Partial capture
08-04 20:10 20m - / - EC5CFV -16 / - 2 Partial capture
08-04 20:08 20m - / -16 IZ4EKI -13 / - 3 ✓ Closing fragment
08-04 20:07 20m - / -16 HB9TIH -20 / - 3 ✓ Closing fragment
07-21 18:32 20m - / +1 OK2LC -8 / - 2 ✓ Closing fragment
07-20 17:07 20m - / - M6AYW -14 / - 2 Partial capture
07-20 17:06 20m - / - EA3JHT -13 / - 2 Partial capture
07-20 17:06 20m - / - EA1IWI -4 / - 4 Partial capture
07-20 17:04 20m - / -11 F6BIA -18 / - 3 ✓ Closing fragment
07-20 17:02 20m - / -12 TK5AE -6 / - 4 ✓ Closing fragment
07-20 17:01 20m - / -3 F5HNQ +10 / - 3 ✓ Closing fragment
07-20 17:01 20m - / - RG6ZF -24 / - 2 Partial capture
07-20 16:57 20m -24 / - YO8RQP - / -2 2 ✓ Closing fragment
07-20 16:54 20m - / +2 DL1RB -9 / - 6 ✓ Closing fragment
07-20 16:52 20m - / -8 CT1EHK -6 / - 4 ✓ Closing fragment
07-20 16:50 20m - / -20 F4LUK +2 / - 2 ✓ Closing fragment
06-19 17:02 20m -10 / - VB7F - / -22 3 Partial capture
06-09 19:15 20m - / -14 RA3TD -3 / - 6 Partial capture
06-09 19:12 20m -9 / - 6K2MAS - / -8 2 Partial capture
06-09 19:08 20m -10 / -14 IZ7XNB +1 / -4 6 ✓ Full exchange observed
06-09 19:04 20m -8 / - UT5MD -10 / +4 2 Partial capture
06-09 19:03 20m -12 / - BH4GWF - / +7 2 ✓ Closing fragment
06-09 18:54 20m - / - HB9TIH +1 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
184915  +7 2245  JA1MJN R7CD KN94 (x4)
20m
UTC    dB Audio  Message
202830 -10  877  JA1MJN EA3IE R-20 (x3)
195815  +3 2671  JA1MJN DL1R JN58 (x9)
192230 -19 1562  JA1MJN DB1EF JO41
192230  -8 2232  JA1MJN TM0BSM JO00
192300 -24 1562  JA1MJN DB1EF JO41
40m
UTC    dB Audio  Message
195000 -17 1984  JA1MJN UB6OCP 73

Decoder S/N history by band

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