HB9HDI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Switzerland Locator transmitted in a decoded message: JN47

Receiver-side FT8 activity involving HB9HDI, decoded by SO8OO in southeastern Poland. 80 related FT8 messages, 50 CQ messages, observed on 60m, 40m, 20m, across 12 UTC dates. Heard between 2026-05-01 and 2026-07-29.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

80
Related messages
50
CQ messages
12
UTC dates heard
-12 dB
Mean decoder S/N

Bands

First seen: 2026-05-01
Last seen: 2026-07-29 04:26 UTC

Frequent QSO partners observed at SO8OO

Stations HB9HDI worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by HB9HDI

Approximate centre of JN47, decoded 2026-07-12 05:47 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 UTCBandHB9HDI S/NCounterpartCounterpart S/NMsgsCapture
07-12 05:47 40m -14 / - RA5BQ - / -14 2 Partial capture
07-12 05:44 40m -14 / - F4ILK - / - 2 ✓ Closing fragment
07-12 05:23 40m -15 / - <...> - / - 2 Partial capture
07-12 05:13 40m -14 / -5 DG1KFR -16 / -16 6 ✓ Full exchange observed
07-12 05:07 40m -13 / - PV8AJ - / - 3 ✓ Closing fragment
07-12 05:03 40m -10 / - RA3PGR - / -19 2 ✓ Closing fragment
07-12 04:59 40m -13 / - R2FDU - / -2 2 ✓ Closing fragment
07-11 03:30 40m -18 / -5 OH3NK -19 / -3 2 Partial capture
06-14 06:54 20m -11 / -19 F4LNM +2 / -3 4 Partial capture
06-14 06:51 20m -10 / - UN0GY - / - 2 Partial capture
06-14 05:37 40m -10 / - F4MOJ/P - / +5 5 Partial capture
06-07 15:08 40m - / +1 IU2UEH -13 / - 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
064745  -7 1082  PD3LKN HB9HDI JN47
065145 -11 1138  UN0GY HB9HDI JN47 (x2)
065245  -8 1139  CQ HB9HDI JN47 (x4)
065430  +1 1139  HB9HDI F4LNM JN09
065445 -11 1139  F4LNM HB9HDI -03
065600  +1 1139  HB9HDI F4LNM R-19 (x2)
062400 -20 1213  HB9HDI HB10GBT
062600 -17 1213  HB9HDI <...>
40m
UTC    dB Audio  Message
051745 -14  878  CQ HB9HDI JN47 (x4)
052330 -15  872  <...> HB9HDI JN47 (x2)
052730 -16  872  DG6OAY HB9HDI R-07
054430 -12  839  F4ILK HB9HDI JN47 (x2)
054600 -15  839  CQ HB9HDI JN47 (x3)
054730 -13  839  RA5BQ HB9HDI -14 (x2)
021030 -21 1752  HB9HDI HB9HAN JN47

Decoder S/N history by band

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