JR3IAO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan

Receiver-side FT8 activity involving JR3IAO, decoded by SO8OO in southeastern Poland. 107 related FT8 messages, observed on 40m, 20m, 10m, across 32 UTC dates. Heard between 2026-05-29 and 2026-08-23.

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

107
Related messages
0
CQ messages
32
UTC dates heard
-5 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-05-29
Last seen: 2026-08-23 17:58 UTC

Frequent QSO partners observed at SO8OO

Stations JR3IAO 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 UTCBandJR3IAO S/NCounterpartCounterpart S/NMsgsCapture
08-23 19:57 20m - / -19 SM0EJR -8 / - 3 Partial capture
08-23 19:53 20m - / 0 HB9ADJ -9 / - 2 ✓ Closing fragment
08-22 18:02 20m - / -12 F1DJY +11 / - 2 ✓ Closing fragment
08-06 21:23 20m - / -17 7X5CY -1 / - 2 ✓ Closing fragment
08-06 21:13 20m - / -14 7X5CY -3 / - 2 Partial capture
08-06 21:03 20m - / -11 7X5CY -1 / - 2 Partial capture
08-06 20:43 20m - / -22 G0VXE +17 / - 3 ✓ Closing fragment
08-06 20:20 20m - / -9 HB9TVS -18 / - 3 ✓ Closing fragment
08-03 19:51 40m - / -18 SV9GPV -12 / - 2 ✓ Closing fragment
08-02 20:11 40m - / -16 LZ1ZF -20 / - 2 ✓ Closing fragment
07-26 13:07 20m - / - R4NDG -7 / - 3 Partial capture
07-24 20:19 20m - / -12 SM1HEV 0 / - 2 ✓ Closing fragment
07-23 18:17 20m - / -18 TA7AL -3 / - 3 Partial capture
07-22 17:21 20m - / - DL5SUA -12 / - 2 Partial capture
07-19 16:06 20m - / -9 RT1I -10 / - 2 ✓ Closing fragment
07-18 18:49 20m - / -20 JY5CG -13 / - 2 ✓ Closing fragment
07-14 20:37 20m - / -9 CT2GFJ -8 / - 2 ✓ Closing fragment
07-10 17:12 20m - / -18 OE4WPX +8 / - 2 Partial capture
07-06 17:32 20m - / -12 IV3KZF +11 / - 3 Partial capture
06-24 15:37 20m - / - EA5D -16 / - 2 Partial capture
06-24 14:47 20m - / -13 UA1OJL -6 / - 2 ✓ Closing fragment
06-23 19:12 40m - / -17 YL3CU -4 / - 5 ✓ Closing fragment
06-20 19:45 20m - / -15 AO25HSJ -3 / - 6 Partial capture
06-16 17:02 20m - / -19 A92AE 0 / - 2 ✓ Closing fragment
06-16 16:03 20m -10 / -21 A92AE -4 / - 4 Partial capture
06-14 20:36 20m -9 / - F4FOM - / - 3 Partial capture
06-14 20:33 20m -10 / - TA4INO - / - 2 Partial capture
06-11 19:07 20m -10 / -17 YM4KT +16 / - 4 Partial capture
06-10 16:13 20m - / -18 UE26RUS -1 / - 2 Partial capture
06-06 16:19 20m -6 / - TA9A - / - 2 Partial capture
06-06 16:16 20m -18 / - R9JE -7 / - 3 ✓ Closing observed
06-01 19:40 20m -18 / - EX8ABR/P -10 / -14 2 ✓ Closing observed
06-01 14:42 10m - / -2 7Q9PTP -11 / - 2 ✓ Closing fragment
05-29 17:36 20m - / -14 R2GF +6 / - 4 Partial capture
05-29 17:25 20m -8 / - R2FC - / - 3 Partial capture
05-27 21:53 20m -14 / - TT1GD - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
204415 +19 2961  JR3IAO G0VXE RR73
210330  -1  482  JR3IAO 7X5CY -11 (x7)
180245 +16  853  JR3IAO F1DJY -12 (x2)
195300  -9  279  JR3IAO HB9ADJ +00 (x2)
195730 -10 2977  JR3IAO SM0EJR -19 (x3)
40m 
UTC    dB Audio  Message
191245  -1  719  JR3IAO YL3CU -17 (x5)
192030  -8  376  JR3IAO R4RN RR73
184245 -14 1035  JR3IAO LY8O -02
201130 -18 1844  JR3IAO LZ1ZF -16 (x2)
195100 -12 2318  JR3IAO SV9GPV -18 (x2)
10m 
UTC    dB Audio  Message
144200  -8 2059  JR3IAO 7Q9PTP -02 (x2)

Decoder S/N history by band

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