JA0DAI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA0DAI, decoded by SO8OO in southeastern Poland. 97 related FT8 messages, observed on 20m, 10m, across 30 UTC dates. Heard between 2026-05-24 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

97
Related messages
0
CQ messages
30
UTC dates heard
-6 dB
Mean decoder S/N

Bands

First seen: 2026-05-24
Last seen: 2026-08-22 11:57 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 UTCBandJA0DAI S/NCounterpartCounterpart S/NMsgsCapture
08-22 13:56 20m - / -7 EN35UKR +8 / - 2 ✓ Closing fragment
08-16 20:22 20m - / -15 DL1DV +2 / - 2 ✓ Closing fragment
08-16 15:04 20m - / - S58WW -6 / - 2 Partial capture
08-10 21:51 20m - / -4 EN35UKR -15 / - 2 Partial capture
08-07 21:26 20m - / -17 GM3AND -6 / - 2 ✓ Closing fragment
07-30 20:41 20m - / -14 SV2TNG 0 / - 2 ✓ Closing fragment
07-22 21:21 20m - / -12 TM74TFR -17 / - 2 Partial capture
07-21 21:08 20m - / -23 <...> +5 / - 3 ✓ Closing fragment
07-21 21:07 20m -12 / - A71YY - / -14 3 ✓ Closing fragment
07-18 20:38 20m - / -16 F4LUK +2 / - 3 Partial capture
07-17 21:06 20m -10 / - SV4OZF - / -13 6 Partial capture
07-06 20:40 20m - / - DM5WGL +1 / - 3 Partial capture
06-24 14:43 10m - / -6 TA3HEB -14 / - 2 ✓ Closing fragment
06-20 20:58 20m - / +6 CR7BRV -4 / - 2 ✓ Closing fragment
06-19 21:39 20m +2 / - F5OYA/P - / - 2 Partial capture
06-19 21:35 20m -7 / - TM150BEL - / - 6 Partial capture
06-19 20:37 20m -22 / - 4Z1KO - / - 3 Partial capture
06-17 21:38 20m - / -3 TJ1GD/P -4 / - 2 ✓ Closing fragment
06-15 21:36 20m - / -13 TA7ARH -4 / - 3 ✓ Closing fragment
06-12 21:16 20m -12 / - OL900CO - / - 2 Partial capture
06-12 20:48 20m -6 / - DL70ESSEN - / - 2 Partial capture
06-12 20:48 20m - / - GI4TMB +6 / - 3 Partial capture
06-10 23:13 20m - / -3 9X5KM +8 / - 2 ✓ Closing fragment
06-10 22:06 20m -23 / -7 IQ0VT -21 / -15 2 Partial capture
06-09 21:19 20m -4 / - IQ0OS - / -17 2 ✓ Closing fragment
06-09 21:14 20m -11 / - <...> - / -5 2 Partial capture
06-08 22:42 20m - / -5 SV1TNK -8 / - 2 Partial capture
06-08 20:56 20m -11 / -7 TA4WH -4 / -20 5 ✓ Full exchange observed
06-08 20:42 20m -12 / - TA4WH - / - 2 Partial capture
06-07 21:31 20m -14 / - TA4KO - / - 2 Partial capture
06-03 22:14 20m -13 / - <...> - / - 3 Partial capture
06-03 13:53 20m - / - RL3K -10 / - 2 Partial capture
06-03 12:29 20m - / - DL1HDL -8 / - 8 Partial capture
06-02 21:06 20m -5 / - DL7ARV -9 / -11 3 ✓ Closing observed
06-02 21:02 20m - / - DL7ARV -8 / - 2 Partial capture
06-02 21:01 20m - / - MM0DXL -18 / - 6 Partial capture
06-02 20:59 20m 0 / - EP2AES - / -20 8 ✓ Closing fragment
06-01 21:02 20m -2 / - LY100RADIO - / -22 4 Partial capture
06-01 14:51 10m - / 0 7Q9PTP -10 / - 2 Partial capture
06-01 07:47 20m - / -4 TI5RR -14 / - 2 ✓ Closing fragment
05-29 21:35 20m +5 / - TA1VY - / - 3 Partial capture
05-29 09:38 10m - / -5 7Q9PTP 0 / - 2 ✓ Closing fragment
05-27 22:07 20m -11 / - HZ1DW - / - 11 Partial capture
05-27 21:36 20m -9 / - TA1OZV - / -18 4 ✓ Closing fragment
05-27 21:28 20m -9 / - ZD8KX - / - 6 Partial capture
05-26 21:37 20m -14 / - IQ8PC - / - 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
210615 -11  566  JA0DAI EI4JFB 73
212615  -5  901  JA0DAI GM3AND -17 (x2)
215130 -14 2094  JA0DAI EN35UKR R-04 (x2)
150230  -6  753  JA0DAI R9JE MP82
150400 -17  858  JA0DAI UA3ZMQ KO90
150400  -7 2332  JA0DAI S58WW JN76 (x2)
202215  -1 2501  JA0DAI DL1DV R-15 (x2)
091930 -17 1804  JA0DAI RR73; UN9PQ <...> -24
135615  +5  689  JA0DAI <...> R-07
135645  +7  688  JA0DAI <EN35UKR> R-07 (x2)
10m
UTC    dB Audio  Message
093830  -1 2276  JA0DAI 7Q9PTP -05 (x4)
113830 -14 1681  JA0DAI A60PC/14 +00
144315 -15 2165  JA0DAI TA3HEB -06 (x2)

Decoder S/N history by band

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