HB9CAL — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving HB9CAL, decoded by SO8OO in southeastern Poland. 42 related FT8 messages, observed on 20m, 10m, across 12 UTC dates. Heard between 2026-06-01 and 2026-08-22.

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

42
Related messages
0
CQ messages
12
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-06-01
Last seen: 2026-08-22 06:31 UTC

Activity Heatmap

Locator transmitted by HB9CAL

Approximate centre of JN47, decoded 2026-08-22 08:28 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 UTCBandHB9CAL S/NCounterpartCounterpart S/NMsgsCapture
08-22 08:32 20m -4 / - DK3WH - / -20 2 ✓ Closing fragment
08-22 08:27 20m +3 / - VK4QG - / - 4 ✓ Closing fragment
08-22 08:25 20m +6 / - 4Z5PT - / -16 3 ✓ Closing fragment
08-22 08:15 20m +11 / - VK5GR - / -17 13 ✓ Closing fragment
08-22 08:13 20m +8 / - 9Y4DG - / -15 3 ✓ Closing fragment
08-22 08:06 20m +18 / - VK6WX - / - 3 ✓ Closing fragment
08-22 08:04 20m +20 / - VK3XIL - / - 2 ✓ Closing fragment
08-22 08:02 20m +10 / - K4A - / -20 2 Partial capture
08-21 15:37 20m +16 / - <...> - / - 2 Partial capture
08-21 15:25 20m +4 / - VR2VOG - / - 14 ✓ Closing fragment
08-21 15:18 20m +21 / - SP5DRK - / -12 2 ✓ Closing fragment
08-21 15:09 20m +15 / -18 XU7O -8 / -19 11 ✓ Full exchange observed
08-20 09:43 20m +2 / - DK4NB - / -15 3 ✓ Closing fragment
08-20 09:39 20m +4 / - SM0WW - / -16 3 ✓ Closing fragment
08-20 09:37 20m -3 / +8 EN35UKR -13 / -13 3 Partial capture
08-20 08:49 20m +3 / -20 HB10GBT -7 / -16 3 Partial capture
08-17 08:15 20m -13 / - YV5JLO - / -16 5 Partial capture
08-15 14:57 20m -6 / - <...> - / - 6 Partial capture
08-15 14:47 20m -11 / - EI0NDR/LH - / -17 3 Partial capture
08-14 08:35 20m +2 / - EA8AT - / -16 3 ✓ Closing fragment
08-10 15:00 20m -5 / - <...> - / -15 11 Partial capture
08-10 09:29 20m -4 / - EA8DNB - / -12 2 Partial capture
08-10 09:24 20m -8 / - EA5HM - / -14 2 Partial capture
08-10 09:21 20m -8 / - KP2B - / -5 3 ✓ Closing fragment
08-08 08:48 20m -1 / - HI8UD - / - 5 Partial capture
08-04 08:55 20m -14 / - SP6FME - / -6 2 Partial capture
08-04 08:47 20m -13 / - VK6DW - / -13 9 ✓ Closing fragment
08-04 08:36 20m -8 / - VK2SMP - / - 4 Partial capture
08-04 08:33 20m -7 / - VK6BAD - / -19 3 ✓ Closing fragment
08-04 08:32 20m -6 / - VK2SMP - / - 2 Partial capture
08-04 08:30 20m -6 / - JA8DKJ - / - 2 Partial capture
08-04 08:27 20m -11 / -11 CT3MD -14 / -4 3 ✓ Full exchange observed
08-04 08:22 20m -8 / - JH3CUL - / -11 4 ✓ Closing fragment
08-04 08:19 20m +2 / - JH2VVH - / -14 2 ✓ Closing fragment
08-04 08:16 20m -5 / - 7K1CPT - / -12 4 ✓ Closing fragment
08-04 08:12 20m -4 / - D2UY - / -13 3 ✓ Closing fragment
08-04 08:04 20m -11 / -3 <...> -13 / -4 6 Partial capture
08-04 07:58 20m -3 / - VJ6X - / - 3 Partial capture
08-04 07:56 20m -3 / - VK5IPA - / -23 3 ✓ Closing fragment
08-03 14:41 20m -4 / - YC1FMV - / - 5 Partial capture
08-03 14:37 20m -6 / - VP2VKC - / - 3 Partial capture
08-03 14:33 20m -5 / - JH7RTQ - / -12 3 ✓ Closing fragment
08-03 14:29 20m -6 / - K4CAE - / - 3 Partial capture
08-03 14:22 20m -4 / - K4CAE - / - 4 Partial capture
08-03 14:17 20m +6 / - BV2NF - / -15 3 ✓ Closing fragment
07-24 16:04 20m +4 / - ZS6KOB - / -20 4 Partial capture
07-24 16:03 20m -5 / - BI4JJO - / -15 2 Partial capture
07-24 16:01 20m +2 / -15 PD1ADA -17 / -10 8 ✓ Full exchange observed
07-24 16:00 20m +9 / -1 DH4RK -9 / -16 4 Partial capture
07-24 15:58 20m +2 / - YU7XL - / 0 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
082100  +7 2306  VK5GR HB9CAL JN47 (x5)
082500  +3 1023  4Z5PT HB9CAL JN47 (x3)
082745  +3 2270  VK4QG HB9CAL JN47 (x4)
083130 -11 1577  HB9CAL A71DA LL55
083215  -4 1477  DK3WH HB9CAL -20 (x2)
10m
UTC    dB Audio  Message
141430  -3  983  OK2SPZ HB9CAL RR73
142145 -11 2250  D2UY HB9CAL JN47 (x4)
142430  -6 1295  HB9CAL OK1DXR JO60
142445  -8 2252  M0SCK HB9CAL -14
142545  -6 1295  OK1DXR HB9CAL +02
142600  -9 1295  HB9CAL OK1DXR R+11 (x2)
142645  +0  540  G1NXS HB9CAL -09 (x3)
142630  -9  924  HB9CAL A41ZZ -14 (x2)

Decoder S/N history by band

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