HB9HJU — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving HB9HJU, decoded by SO8OO in southeastern Poland. 1,099 related FT8 messages, 245 CQ messages, observed on 40m, 20m, 10m, across 22 UTC dates. Heard between 2026-05-10 and 2026-07-12.

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

1,099
Related messages
245
CQ messages
22
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-10
Last seen: 2026-07-12 17:54 UTC

Activity Heatmap

Locator transmitted by HB9HJU

Approximate centre of JN47, decoded 2026-07-12 19:57 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 UTCBandHB9HJU S/NCounterpartCounterpart S/NMsgsCapture
07-12 19:55 40m -23 / - EA5JXP - / - 2 Partial capture
07-11 20:24 40m -20 / - G0OYQ -10 / - 2 ✓ Closing observed
07-11 20:19 40m -22 / - IU2BZV - / - 2 Partial capture
07-11 20:17 40m -16 / -10 R7CD -6 / -24 5 ✓ Full exchange observed
07-11 20:13 40m -16 / +2 OE5ROR -3 / +2 6 Partial capture
07-11 20:01 40m -16 / -17 LZ1DPP -22 / +1 6 ✓ Full exchange observed
07-11 20:01 40m - / - S51PV -18 / - 2 Partial capture
07-11 19:54 40m - / -14 RN6MA -11 / - 3 Partial capture
07-09 22:13 40m -17 / - G3RPF - / -12 3 Partial capture
07-09 22:08 40m -18 / - IK4LZH -4 / +2 3 Partial capture
07-09 22:08 40m - / - R6LPF -9 / - 2 Partial capture
07-09 22:07 40m -24 / -1 IU3VQA -19 / - 4 ✓ Closing observed
07-09 22:06 40m - / - IQ4JO +10 / - 2 Partial capture
07-09 22:05 40m -20 / - ON4MAP - / -4 2 ✓ Closing fragment
07-09 21:58 40m - / - DC2SF -22 / - 2 Partial capture
07-09 21:58 40m - / - IK4LZH -1 / - 4 Partial capture
07-09 21:51 40m -20 / - <...> - / - 8 Partial capture
07-09 21:01 20m - / -19 JA4FKX -17 / - 6 Partial capture
07-09 20:44 20m - / -4 VO1IV -19 / - 2 ✓ Closing fragment
07-06 20:24 40m -19 / - R6OF - / - 7 Partial capture
07-06 20:22 40m -22 / - HB9CYT -18 / +7 4 ✓ Closing observed
07-06 20:20 40m -21 / - RD9T - / -17 3 ✓ Closing fragment
06-11 19:56 20m - / -9 LZ1SAD -6 / - 4 ✓ Closing fragment
06-11 18:31 10m - / -19 LA1HW 0 / - 3 ✓ Closing fragment
06-11 18:26 10m - / -25 LA2GCA -10 / - 3 Partial capture
06-11 18:16 40m -16 / - SP3AXL - / - 2 Partial capture
06-11 18:10 40m -17 / - EG1PLL - / -20 6 Partial capture
06-11 18:07 40m -18 / - DG4BBK - / -11 2 ✓ Closing fragment
06-11 18:01 40m -15 / - UX7QG - / - 4 Partial capture
06-11 17:59 40m -16 / - R7NK - / - 3 Partial capture
06-11 17:55 40m -17 / - <...> - / - 3 Partial capture
06-11 17:52 40m -19 / - DF2JK - / - 3 Partial capture
06-11 17:43 40m -19 / -8 DK1IO -17 / -2 3 Partial capture
06-11 17:43 40m -19 / -21 YO2MTG -1 / -2 4 ✓ Full exchange observed
06-11 17:38 40m -24 / - RX6DA - / - 3 Partial capture
06-11 17:35 40m -18 / - EG5VPE - / - 2 Partial capture
06-11 17:32 40m -14 / - EX7CQ - / - 2 Partial capture
06-11 17:30 40m -15 / - SP9LS - / -6 2 Partial capture
06-11 17:28 40m -16 / - UF1A - / - 3 Partial capture
06-11 17:25 40m -15 / - PD0DDA -21 / +2 5 Partial capture
06-10 21:25 40m - / -2 DF1BN -13 / - 4 ✓ Closing fragment
06-10 21:18 40m -23 / - SV3AUW - / -20 2 Partial capture
06-10 21:09 40m - / - IW0HAC -13 / - 4 Partial capture
06-10 21:08 40m - / -15 SP2KW -1 / - 4 ✓ Closing fragment
06-10 20:58 40m - / - SP5LST -7 / - 2 Partial capture
06-10 20:57 40m - / -16 SN4K -13 / - 4 ✓ Closing fragment
06-10 20:33 40m -14 / - RX6AOB -7 / -10 3 ✓ Closing observed
06-10 20:30 40m -14 / -8 DG1ROL -3 / - 4 ✓ Closing observed
06-09 14:11 20m - / -11 F1PSX -6 / - 11 Partial capture
06-09 14:07 20m - / -14 PD0PET -9 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
201730 -15 1788  R7CD HB9HJU JN47
201745  -6 1475  HB9HJU R7CD -10
201800 -17 1788  R7CD HB9HJU R-24
201815  -6 1475  HB9HJU R7CD RR73
201830 -17 1788  R7CD HB9HJU 73
201900 -17 1788  CQ HB9HJU JN47
201930 -20 1787  IU2BZV HB9HJU JN47 (x2)
202130 -19 1737  EA7LOK HB9HJU JN47
202430 -20 1738  G0OYQ HB9HJU R+11
202445 -10  770  HB9HJU G0OYQ RR73
202615 -17  996  HB9HJU MM8FKF -10
195415 -15 1189  HB9HJU IU3QNS RR73
195530 -23 1787  EA5JXP HB9HJU JN47 (x2)
20m
UTC    dB Audio  Message
195515 -21 1825  CQ HB9HJU JN47
195600  -6 1183  HB9HJU LZ1SAD KN22 (x4)
200000 -12 1012  HB9HJU RC5F KO85
221700 -20 1826  N1NRL HB9HJU JN47
204400 -17 1353  HB9HJU VO1IV -04 (x2)
210145 -16 1933  HB9HJU JA4FKX -19 (x6)
10m
UTC    dB Audio  Message
113145 -10 2677  HB9HJU HB9RLZ JN47 (x2)
114645 -15 1405  HB9HJU G7HEB -17 (x2)
182600 -14 1260  HB9HJU LA2GCA R-25 (x3)
183115  +3  489  HB9HJU LA1HW -19 (x3)

Decoder S/N history by band

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