JA0DCB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Japan Locator transmitted in a decoded message: PM85

Receiver-side FT8 activity involving JA0DCB, decoded by SO8OO in southeastern Poland. 28 related FT8 messages, observed on 20m, across 9 UTC dates. Heard between 2026-04-23 and 2026-06-24.

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

28
Related messages
0
CQ messages
9
UTC dates heard
-2 dB
Mean decoder S/N

Bands

20m
First seen: 2026-04-23
Last seen: 2026-06-24 20:36 UTC

Frequent QSO partners observed at SO8OO

Stations JA0DCB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by JA0DCB

Approximate centre of PM85, decoded 2026-06-19 23:17 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 UTCBandJA0DCB S/NCounterpartCounterpart S/NMsgsCapture
06-24 22:35 20m - / -16 A60PC/5 -14 / - 2 Partial capture
06-19 23:37 20m - / - EA3NE +6 / - 2 Partial capture
06-19 22:57 20m -10 / - 7Z1DN - / - 2 Partial capture
06-19 22:55 20m -8 / - <...> - / - 2 Partial capture
06-19 22:48 20m -12 / - <...> - / - 2 Partial capture
06-14 22:46 20m - / -5 E70A +14 / - 2 ✓ Closing fragment
06-09 23:16 20m - / -12 UN0GY +13 / - 2 ✓ Closing fragment
06-09 23:07 20m - / -13 II9RICT -14 / - 3 ✓ Closing fragment
06-08 22:53 20m - / -6 UN8DSW -14 / - 2 ✓ Closing fragment
06-08 22:47 20m - / -11 HA1BF -6 / - 2 ✓ Closing fragment
06-08 22:47 20m - / -8 IQ7PU +8 / - 2 Partial capture
06-07 23:37 20m - / -10 E70A +1 / - 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
225115 -19 2034  SV1EAG JA0DCB PM85
225545  -8  656  <...> JA0DCB PM85 (x2)
225700  -7 2746  7Z1DN JA0DCB PM85
225730  -3 2812  JA0DCB DF7EF JO30
225800 -13  755  7Z1DN JA0DCB PM85
230145 -14  542  DF7EF JA0DCB RR73
230245 -13 2867  SV1HFE JA0DCB RR73
230445 -10 2748  SV1MOZ JA0DCB -19
230845 -15 2303  YO3JR JA0DCB PM85
231745  -8  390  <AO25HSJ> JA0DCB PM85
233700 +10 1372  JA0DCB EA3NE JN11 (x2)
223545 -14 1158  JA0DCB A60PC/5 -16 (x2)

Decoder S/N history by band

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