JA1DFQ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JA1DFQ, decoded by SO8OO in southeastern Poland. 283 related FT8 messages, 31 CQ messages, observed on 20m, across 38 UTC dates. Heard between 2026-05-07 and 2026-08-03.

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

283
Related messages
31
CQ messages
38
UTC dates heard
-3 dB
Mean decoder S/N

Bands

20m
First seen: 2026-05-07
Last seen: 2026-08-03 16:22 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 UTCBandJA1DFQ S/NCounterpartCounterpart S/NMsgsCapture
08-03 18:21 20m - / -18 IK4RUX -9 / - 3 ✓ Closing fragment
08-03 18:20 20m - / -17 JY4CI -18 / - 2 ✓ Closing fragment
07-20 18:05 20m - / - EW1MN -6 / - 10 ✓ Closing fragment
07-20 18:05 20m - / -25 PD7JLP +4 / - 6 ✓ Closing fragment
07-18 18:23 20m - / -25 SP2HF -14 / - 2 Partial capture
07-18 18:21 20m - / -12 IK5PWQ +8 / - 3 ✓ Closing fragment
07-18 18:19 20m - / - EA1B -4 / - 3 ✓ Closing fragment
07-18 18:02 20m - / -16 F8RZ 0 / - 3 ✓ Closing fragment
07-13 17:59 20m - / - R7DX -5 / - 2 ✓ Closing fragment
07-13 17:31 20m - / - SP2SGZ -4 / - 3 Partial capture
07-06 17:57 20m - / - R4HLG -16 / - 2 Partial capture
07-06 17:49 20m - / -17 R2GF -2 / - 2 ✓ Closing fragment
07-05 17:20 20m - / -20 ON4ASV +3 / - 3 ✓ Closing fragment
07-03 18:45 20m - / - SV1MOZ -6 / - 5 Partial capture
07-03 18:36 20m - / - RC6OU -8 / - 2 ✓ Closing fragment
07-02 18:41 20m - / -20 II7WWA +1 / - 2 Partial capture
06-23 18:53 20m - / -16 RA5AK -2 / - 2 ✓ Closing fragment
06-23 18:44 20m - / -14 R2GDV +2 / - 3 ✓ Closing fragment
06-22 18:23 20m - / -14 YO4DWD -8 / - 2 ✓ Closing fragment
06-21 17:27 20m - / - YO8CNA -9 / - 3 Partial capture
06-21 17:23 20m - / -16 YO9HB -8 / - 2 ✓ Closing fragment
06-21 17:20 20m - / - YO8CNA -8 / - 2 Partial capture
06-16 18:56 20m - / - UA4WKE +1 / - 3 Partial capture
06-15 18:06 20m - / - F4NLM +14 / - 2 Partial capture
06-15 18:01 20m - / 0 BG4OOO -18 / - 2 ✓ Closing fragment
06-14 18:01 20m - / - R4NDG +2 / - 2 Partial capture
06-12 18:26 20m - / -12 IQ6SB -4 / - 2 ✓ Closing fragment
06-12 18:26 20m - / -21 OK1FED +12 / - 5 ✓ Closing fragment
06-12 18:12 20m - / -20 R3QG -6 / - 2 ✓ Closing fragment
06-12 18:09 20m - / -16 IS0LYN +12 / - 2 Partial capture
06-10 17:43 20m - / - RZ1OA -10 / - 2 Partial capture
06-10 17:37 20m -14 / -13 BG2FYO -7 / - 4 ✓ Closing observed
06-10 17:31 20m - / -25 SP5AEY +22 / - 2 ✓ Closing fragment
06-09 18:35 20m - / -13 SV1QVA +8 / - 3 ✓ Closing fragment
06-08 18:47 20m - / -15 TA3TK +8 / - 4 ✓ Closing fragment
06-05 17:36 20m - / -1 BH4HGH -1 / - 3 ✓ Closing fragment
06-04 18:47 20m - / -6 BG4OOO -12 / - 2 ✓ Closing fragment
06-01 18:23 20m - / +9 BA8BLJ -16 / - 2 ✓ Closing fragment
06-01 18:01 20m - / -8 7Z1IS -5 / - 3 ✓ Closing fragment
06-01 17:57 20m - / - IW9FRA 0 / - 5 Partial capture
05-31 18:53 20m - / - IZ0JSE -2 / - 2 Partial capture
05-31 18:31 20m - / -25 DL8HXP +5 / - 3 ✓ Closing fragment
05-31 18:23 20m -15 / -16 IU5HIU +1 / -13 6 ✓ Full exchange observed
05-31 18:21 20m -15 / -21 UA3SAO -8 / - 3 ✓ Closing observed
05-31 18:17 20m -14 / - N6ZDH - / -17 2 ✓ Closing fragment
05-31 18:14 20m - / -9 RA6BM -5 / - 2 ✓ Closing fragment
05-31 18:13 20m - / -15 RK3AQ -3 / - 3 ✓ Closing fragment
05-27 17:29 20m - / -20 US5HL -6 / - 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
180745  -7 2378  JA1DFQ EW1MN KO33
180745  +4  313  JA1DFQ PD7JLP R-25 (x2)
180815  -1 2378  JA1DFQ EW1MN KO33 (x5)
181315 -15 1371  JA1DFQ DL1KYF JO62
181315 -19 1974  JA1DFQ UA3SNB RR73
182045 -20 1490  JA1DFQ JY4CI R-17
182115  -9 2312  JA1DFQ IK4RUX JN54
182115 -16 1490  JA1DFQ JY4CI 73
182145 -12 2312  JA1DFQ IK4RUX R-18 (x2)

Decoder S/N history by band

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