IU3MBY — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Italy Locator transmitted in a decoded message: JN55

Receiver-side FT8 activity involving IU3MBY, decoded by SO8OO in southeastern Poland. 95 related FT8 messages, 12 CQ messages, observed on 40m, 20m, across 4 UTC dates. Heard between 2026-05-11 and 2026-08-01.

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

95
Related messages
12
CQ messages
4
UTC dates heard
-3 dB
Mean decoder S/N

Bands

First seen: 2026-05-11
Last seen: 2026-08-01 14:53 UTC

Activity Heatmap

Locator transmitted by IU3MBY

Approximate centre of JN55, decoded 2026-08-16 07:55 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 UTCBandIU3MBY S/NCounterpartCounterpart S/NMsgsCapture
08-16 07:51 20m -6 / - VJ6X - / - 6 Partial capture
08-16 07:43 20m -11 / - VJ6X - / - 2 Partial capture
08-16 07:35 20m -4 / - VJ6X - / - 5 Partial capture
08-16 07:24 20m -6 / - <...> - / - 2 Partial capture
08-16 07:19 20m -11 / - <...> - / - 3 Partial capture
08-16 07:15 20m -12 / - VK5LSD - / - 2 Partial capture
08-16 07:10 20m -11 / - OA4ENN - / - 4 Partial capture
08-16 07:05 20m -14 / - OA4ENN - / - 5 Partial capture
08-16 07:04 20m -2 / - KP3RE - / -14 2 Partial capture
08-16 07:02 20m -7 / - VK5RM - / - 2 ✓ Closing fragment
08-16 06:59 20m -16 / - XQ1KK - / - 5 Partial capture
08-16 06:57 20m -18 / - OA4ENN - / - 2 Partial capture
08-16 06:52 20m -24 / - HD5EC - / -17 2 Partial capture
08-16 06:48 20m -14 / - VK2JJM - / - 4 Partial capture
08-16 06:45 20m -10 / - VK2BC - / -22 4 ✓ Closing fragment
08-16 06:43 20m -9 / - VK2JJM - / - 3 Partial capture
08-16 06:39 20m -12 / - VK2BC - / -21 3 Partial capture
08-16 06:34 20m -13 / - VK2BC - / - 3 Partial capture
08-16 06:28 20m -8 / - VK1KAZ - / - 7 Partial capture
08-16 06:27 20m -12 / - VK2VAR - / -21 2 Partial capture
08-16 06:21 20m -23 / - HK3W - / - 3 Partial capture
08-16 06:11 20m -16 / - HK3W - / - 6 Partial capture
08-07 14:41 20m -18 / - YB5QZ - / - 6 Partial capture
08-01 16:49 20m - / -5 TF4M -5 / - 2 Partial capture
08-01 16:39 20m - / - F1PPH -13 / - 6 Partial capture
06-07 18:23 20m -6 / - SV8JVM - / - 2 Partial capture
06-07 18:17 20m +2 / +10 IQ9BF 0 / -6 5 ✓ Full exchange observed
06-07 18:12 20m -4 / +8 Z62NS +9 / -1 6 ✓ Full exchange observed
06-07 18:09 20m -6 / - EA3CHO -4 / - 3 ✓ Closing observed
06-07 18:06 20m -7 / - M8EVM - / -8 2 ✓ Closing fragment
06-07 18:00 20m -5 / -15 <...> -12 / -19 8 Partial capture
06-07 17:58 20m -6 / - 4L7T - / - 2 Partial capture
06-07 17:41 20m +1 / - BG2ATH - / - 2 Partial capture
06-07 17:29 20m -8 / - SP6AXW -10 / -4 3 ✓ Closing observed
06-07 17:27 20m - / -10 R9JE +7 / - 2 ✓ Closing fragment
06-07 12:11 20m -8 / - RW4CCW - / - 2 Partial capture
06-07 12:09 20m - / -10 TA4INO -2 / - 2 ✓ Closing fragment
06-07 12:07 20m +2 / -14 RA9LL +10 / +3 5 ✓ Full exchange observed
06-07 12:02 20m 0 / - RA9LL - / - 2 Partial capture
06-07 11:57 20m -2 / - SP6FME - / +3 2 ✓ Closing fragment
06-07 11:56 20m 0 / - EA7APO - / - 2 ✓ Closing fragment
06-07 11:05 20m +2 / -9 UI6O -8 / - 2 Partial capture
06-07 11:04 20m - / -13 RK3AQ +4 / - 2 ✓ Closing fragment
06-07 08:01 20m 0 / - SA3SHN - / - 2 Partial capture
06-07 07:57 20m -2 / - E70A - / -10 3 ✓ Closing fragment
06-07 07:55 20m -2 / - TT1GD - / -21 4 Partial capture
06-07 07:51 20m -8 / -14 OZ7DR -12 / -14 5 ✓ Full exchange observed
06-07 07:49 20m -6 / - HK3W - / - 3 Partial capture
06-07 07:04 20m -7 / - JY5IB - / - 3 ✓ Closing fragment
06-07 07:03 20m -8 / - G4LJH - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
072415  -4 2509  <...> IU3MBY JN55 (x2)
073545  -6 2528  VJ6X IU3MBY JN55 (x13)
40m
UTC    dB Audio  Message
194030  -4 2498  HB9/F4MFS IU3MBY JN55
194100  -2 2964  RU3AMO IU3MBY JN55 (x2)
194330  -9 2021  R3PLN IU3MBY JN55 (x2)
194415  -9 2022  IU3MBY R3PLN RR73

Decoder S/N history by band

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