JA1UQA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA1UQA, decoded by SO8OO in southeastern Poland. 755 related FT8 messages, 5 CQ messages, observed on 40m, 20m, 10m, across 34 UTC dates. Heard between 2026-06-20 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

755
Related messages
5
CQ messages
34
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-06-20
Last seen: 2026-08-22 21:50 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 UTCBandJA1UQA S/NCounterpartCounterpart S/NMsgsCapture
08-22 23:47 20m - / - ON3CCM -16 / - 7 Partial capture
08-22 23:42 20m - / - ON3CCM -14 / - 6 Partial capture
08-22 23:38 20m - / -20 SV1CNS -8 / - 2 ✓ Closing fragment
08-22 23:24 20m - / -18 IZ5UFW -9 / - 2 ✓ Closing fragment
08-22 06:23 20m - / -14 K4A -10 / - 2 ✓ Closing fragment
08-21 06:14 20m - / -21 HP1RY -17 / - 2 ✓ Closing fragment
08-21 06:05 20m - / - ON4IQ -10 / - 3 ✓ Closing fragment
08-20 22:02 20m - / - IW1PVB -17 / - 2 Partial capture
08-20 21:51 20m - / -9 IW1FRD -23 / - 3 ✓ Closing fragment
08-20 21:26 20m - / -14 EB1DJ +1 / - 4 ✓ Closing fragment
08-20 04:54 20m - / -10 HK3YL -8 / - 2 ✓ Closing fragment
08-19 21:44 20m - / - DG5PW -10 / - 5 Partial capture
08-19 21:01 20m - / -8 S56UVB -8 / - 2 Partial capture
08-17 08:59 20m - / - IK4LZH -2 / - 4 Partial capture
08-16 22:01 20m - / -19 PD7BDN -6 / - 6 ✓ Closing fragment
08-16 21:51 20m - / -16 RA3WPF -14 / - 2 ✓ Closing fragment
08-16 21:48 20m - / -10 IW1GB -10 / - 2 Partial capture
08-16 21:44 20m - / -11 IZ2QGB -4 / - 2 ✓ Closing fragment
08-16 21:42 20m - / -16 DK7MT -6 / - 3 Partial capture
08-16 21:25 20m - / -2 DK1RWR -16 / - 2 ✓ Closing fragment
08-16 21:22 20m - / -15 F4CQS -6 / - 2 Partial capture
08-16 21:21 20m - / -4 IW1GB -9 / - 2 Partial capture
08-16 21:17 20m - / -14 IZ1JIZ -15 / - 2 ✓ Closing fragment
08-16 21:13 20m - / -9 EA3CUU +2 / - 3 ✓ Closing fragment
08-16 21:07 20m - / - PE1NGM -16 / - 2 Partial capture
08-16 20:59 20m - / - OZ1PFH -8 / - 2 Partial capture
08-16 20:56 20m - / -19 IS0KNY -5 / - 4 ✓ Closing fragment
08-16 20:28 20m - / -16 DH1JG -5 / - 5 ✓ Closing fragment
08-16 20:25 20m - / - DJ2YSR -2 / - 4 Partial capture
08-16 20:14 20m - / -13 SV1PBC -6 / - 3 ✓ Closing fragment
08-16 20:00 20m - / - DH5BO -6 / - 2 Partial capture
08-16 19:55 20m - / -15 DJ3WF -9 / - 7 Partial capture
08-16 19:43 20m - / -18 DC8SM -12 / - 4 ✓ Closing fragment
08-15 03:34 20m - / -6 4Z1GY -13 / - 4 ✓ Closing fragment
08-14 20:53 20m - / -20 EG2FPA 0 / - 2 Partial capture
08-12 21:08 20m - / -6 DL4SCW +12 / - 8 ✓ Closing fragment
08-12 21:03 20m - / -8 PE1LYU -7 / - 3 ✓ Closing fragment
08-12 20:54 20m - / -12 ON7NQ +1 / - 11 ✓ Closing fragment
08-10 08:57 20m - / -23 IK4LZH +5 / - 6 Partial capture
08-10 08:51 20m - / -13 F5SZY +1 / - 3 Partial capture
08-10 07:46 20m - / -12 DJ7TO +11 / - 2 ✓ Closing fragment
08-10 06:58 20m - / - CT3MD -13 / - 3 Partial capture
08-07 07:28 20m - / - CT3MD -8 / - 4 Partial capture
08-06 21:44 20m - / -7 DM5UE -3 / - 3 Partial capture
08-06 21:27 20m - / -2 IK5FCH -10 / - 2 Partial capture
08-06 21:15 20m - / -18 OE3HPT -7 / - 14 Partial capture
08-06 21:15 20m - / -25 US7UR -6 / - 4 Partial capture
08-06 21:14 20m - / - LB0TH -20 / - 2 Partial capture
08-06 21:06 20m - / -15 DK2MAX -7 / - 2 Partial capture
08-06 20:59 20m - / - M7HET -13 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
233845  -5  387  JA1UQA SV1CNS -20 (x2)
234215 -17 1117  JA1UQA ON3CCM JO10 (x13)
40m
UTC    dB Audio  Message
210545  -7 1148  JA1UQA SP9MRO KN19 (x2)
210645 -17 1879  JA1UQA UF5F R+01 (x2)
200630  -9  421  JA1UQA R70OBN -17
201545  +1 2606  JA1UQA IQ4JO JN63
10m
UTC    dB Audio  Message
220600  -8 2590  JA1UQA CE2SV -05 (x2)

Decoder S/N history by band

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