HB9ACA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Switzerland Locator transmitted in a decoded message: JN36

Receiver-side FT8 activity involving HB9ACA, decoded by SO8OO in southeastern Poland. 2,401 related FT8 messages, 1,920 CQ messages, observed on 60m, 20m, 10m, across 60 UTC dates. Heard between 2026-05-25 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

2,401
Related messages
1,920
CQ messages
60
UTC dates heard
-11 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-23 04:48 UTC

Activity Heatmap

Locator transmitted by HB9ACA

Approximate centre of JN36, decoded 2026-08-23 06:48 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 UTCBandHB9ACA S/NCounterpartCounterpart S/NMsgsCapture
08-23 06:49 20m -3 / - MM7CEH - / - 2 ✓ Closing fragment
08-23 06:44 20m +3 / -9 RA4CEH -10 / -17 5 ✓ Full exchange observed
08-20 09:45 20m +2 / - DL4DD -2 / +3 3 ✓ Closing observed
08-20 09:41 20m -1 / +1 M7OFN -9 / - 4 ✓ Closing observed
08-20 09:36 20m -22 / - LZ1BT -9 / - 2 ✓ Closing observed
08-20 08:54 20m +5 / - DL1R +1 / -21 15 Partial capture
08-20 08:53 20m +4 / - SN4K - / -5 2 ✓ Closing fragment
08-20 08:52 20m +6 / - S55A -24 / -3 3 ✓ Closing observed
08-20 08:51 20m +2 / - F5ADH - / - 2 ✓ Closing fragment
08-20 08:46 20m -3 / - PA3WB - / -13 7 Partial capture
08-20 08:43 20m - / - PA3WB +6 / - 2 Partial capture
08-20 08:42 20m +1 / - PE1BOG - / -22 6 Partial capture
08-20 08:40 20m +4 / - GM5CAR - / -6 2 ✓ Closing fragment
08-20 08:32 20m +4 / - 9H4CM - / -18 5 ✓ Closing fragment
08-20 08:32 20m +6 / - RD3FY -17 / -14 5 Partial capture
08-20 08:31 20m 0 / - DL6RH - / +5 2 ✓ Closing fragment
08-17 06:32 20m -8 / - R3KLE -14 / - 2 ✓ Closing observed
08-17 06:29 20m -9 / - I2NOS - / -20 4 ✓ Closing fragment
08-17 06:26 20m -3 / - R0ACR - / -16 2 ✓ Closing fragment
08-17 06:20 20m - / - F4NKP -13 / - 3 Partial capture
08-17 06:18 20m -6 / - IZ5VTJ - / -10 3 Partial capture
08-14 09:59 20m -20 / -7 UA3SCU -13 / -20 4 ✓ Full exchange observed
08-14 09:56 20m -20 / - ON5HE - / -11 3 Partial capture
08-14 08:11 20m -12 / -19 ON1DGN -24 / -24 5 Partial capture
08-12 09:54 20m -14 / - PD0GIP - / +10 2 ✓ Closing fragment
08-12 09:48 20m -18 / - M7CYY - / - 2 ✓ Closing fragment
08-12 09:36 20m -15 / - IN3ADG - / -25 2 Partial capture
08-12 09:32 20m -13 / - 2E0UMF - / -18 3 ✓ Closing fragment
08-12 09:16 20m -7 / - R1BRZ - / -13 2 Partial capture
08-12 09:09 20m -17 / -19 IU0VOX -22 / +4 14 ✓ Full exchange observed
08-12 09:03 20m -12 / - US6UZ - / +2 2 ✓ Closing fragment
08-12 07:46 20m -7 / - SQ8AA - / +5 2 ✓ Closing fragment
08-12 07:42 20m -19 / - M7KSV - / -14 4 Partial capture
08-12 07:21 20m -10 / - EA5FQ - / +3 2 ✓ Closing fragment
08-12 07:16 20m -16 / -2 RA3XFR -18 / +1 4 ✓ Full exchange observed
08-12 07:14 20m -10 / - RD1A - / -7 2 ✓ Closing fragment
08-12 07:08 20m -12 / -8 UT4QM -16 / -14 5 ✓ Full exchange observed
08-12 07:05 20m -12 / - TT1GD - / -18 4 ✓ Closing fragment
08-11 13:08 10m - / -10 E75W -10 / - 2 ✓ Closing fragment
08-11 07:07 20m -13 / - KE5ETC - / -11 2 ✓ Closing fragment
08-11 07:06 20m -16 / - R9FF - / -12 2 ✓ Closing fragment
08-11 06:57 20m -12 / - DL6LG - / -10 2 ✓ Closing fragment
08-11 06:47 20m -22 / - G8GRG -18 / +7 4 ✓ Closing observed
08-11 06:46 20m -16 / - <...> - / - 2 Partial capture
08-11 06:38 20m -15 / - R6OIZ - / -15 3 ✓ Closing fragment
08-11 06:34 20m -22 / - EB3CGQ - / -12 2 Partial capture
08-11 06:26 20m -8 / - VK3HA - / -22 7 Partial capture
08-11 06:24 20m -10 / - KL2WX - / -8 2 ✓ Closing fragment
08-11 06:17 20m - / -15 ON1DGN -18 / - 3 Partial capture
08-11 06:17 20m -18 / - N6JP - / -4 7 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
064400  -2 2175  CQ HB9ACA JN36
064415 -13  762  HB9ACA RA4CEH LO21
064430  -2 2175  RA4CEH HB9ACA -17
064445 -15  762  HB9ACA RA4CEH R-09
064500  +8 2175  RA4CEH HB9ACA RR73
064515  -3  763  HB9ACA RA4CEH 73
064530  -1 2175  CQ HB9ACA JN36 (x7)
064900  -4 2175  MM7CEH HB9ACA +11 (x2)
10m
UTC    dB Audio  Message
095200 -14 1783  CQ HB9ACA JN36
095230 -13 1783  UT3SO HB9ACA -08 (x2)
095330 -11 1783  LB5AK HB9ACA -08 (x2)
095430 -10 1782  CQ HB9ACA JN36
095630 -19 1782  OZ4CG HB9ACA RR73
095730  -6 1783  CQ HB9ACA JN36 (x4)
095930 -13 1782  SP1ZMO HB9ACA +03
130845 -12 2397  HB9ACA E75W -10 (x2)
121800 -21 2056  CQ HB9ACA JN36                        a1
60m
UTC    dB Audio  Message
050300 -24 1931  CQ HB9ACA JN36                        a1 (x10)
054900 -22 2029  IW0QO HB9ACA -06 (x2)
055230 -19 2030  CQ HB9ACA JN36 (x3)

Decoder S/N history by band

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