JA9CHJ — FT8 activity observed at SO8OO
Receiver-side FT8 activity involving JA9CHJ, decoded by SO8OO in southeastern Poland. 21 related FT8 messages, observed on 80m, 40m, 20m, across 7 UTC dates. Heard between 2026-05-13 and 2026-06-27.
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
Frequent QSO partners observed at SO8OO
Stations JA9CHJ worked most often, as logged from our receiver:
Activity Heatmap
Locator transmitted by JA9CHJ
Approximate centre of PM85, decoded 2026-06-27 20:31 UTC. A transmitted locator is not proof of the operator's permanent location.
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 UTC | Band | JA9CHJ S/N | Counterpart | Counterpart S/N | Msgs | Capture |
|---|---|---|---|---|---|---|
| 06-27 20:31 | 20m | -10 / - | A91LD | - / - | 2 | Partial capture |
| 06-27 20:28 | 20m | -10 / +5 | E75AA | -5 / -6 | 5 | ✓ Full exchange observed |
| 06-27 20:14 | 20m | -5 / -5 | US5HL | +1 / - | 2 | ✓ Closing observed |
| 06-27 20:07 | 20m | -6 / - | A91LD | - / - | 3 | Partial capture |
| 06-20 19:49 | 80m | - / +1 | ZS1J | -7 / - | 2 | ✓ Closing fragment |
| 05-26 21:20 | 20m | -1 / - | A61SD | - / -23 | 3 | ✓ Closing fragment |
Recent FT8 messages decoded at SO8OO
Frequency values are decoder audio offsets in hertz, not RF frequencies.
UTC dB Audio Message 212000 -3 657 A61SD JA9CHJ PM85 (x3) 200745 -11 3053 A91LD JA9CHJ PM85 (x3) 201430 +1 3046 JA9CHJ US5HL -05 201545 -5 2967 US5HL JA9CHJ 73 202800 -9 290 E75AA JA9CHJ PM85 202815 -4 2749 JA9CHJ E75AA +05 202830 -10 290 E75AA JA9CHJ R-06 202845 -6 2750 JA9CHJ E75AA RR73 202900 -11 290 E75AA JA9CHJ 73 203115 -10 289 A91LD JA9CHJ PM85 (x2)
UTC dB Audio Message 194945 -10 483 JA9CHJ ZS1J +01 (x2) 200200 -22 1764 JA9CHJ A71UN -20
Decoder S/N history by band
Daily averages across messages associated with this profile as decoded at SO8OO.