5B4AMX — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Cyprus Locator transmitted in a decoded message: KM65

Receiver-side FT8 activity involving 5B4AMX, decoded by SO8OO in southeastern Poland. 5,613 related FT8 messages, 3,258 CQ messages, observed on 80m, 60m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-21 and 2026-08-15.

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

5,613
Related messages
3,258
CQ messages
14
UTC dates heard
-0 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-21
Last seen: 2026-08-15 06:20 UTC

Frequent QSO partners observed at SO8OO

Stations 5B4AMX worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by 5B4AMX

Approximate centre of KM65, decoded 2026-08-06 12:24 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 UTCBand5B4AMX S/NCounterpartCounterpart S/NMsgsCapture
08-15 08:21 20m -16 / - DD3ZZ - / -20 2 Partial capture
08-15 08:17 20m -14 / - UR5SDL - / +9 2 ✓ Closing fragment
08-15 08:17 20m -12 / -8 G0MGK -18 / -13 8 ✓ Full exchange observed
08-15 08:15 20m -14 / - DL1HQN - / +1 2 ✓ Closing fragment
08-15 08:13 20m -12 / - PD1PSR - / -7 2 ✓ Closing fragment
08-15 08:12 20m -10 / -16 RW6HPS -22 / -16 4 ✓ Full exchange observed
08-15 08:11 20m -11 / - SP7VPR - / -4 2 ✓ Closing fragment
08-15 08:10 20m -10 / - RO3ZR - / - 2 ✓ Closing fragment
08-15 08:09 20m -11 / +1 IK0ALT -12 / +3 3 ✓ Full exchange observed
08-15 08:07 20m -10 / - SP9XG - / -3 2 ✓ Closing fragment
08-15 08:05 20m -14 / - IW2KGL - / 0 2 ✓ Closing fragment
08-15 08:03 20m -14 / - G4VMG - / -4 3 ✓ Closing fragment
08-15 08:00 20m -13 / - SP6AMI - / 0 4 ✓ Closing fragment
08-15 07:59 20m -12 / - DD3ZZ - / -10 2 ✓ Closing fragment
08-15 07:58 20m -10 / - CR7BRV - / 0 2 ✓ Closing fragment
08-15 07:56 20m -12 / -15 PD0PMF -16 / -5 5 ✓ Full exchange observed
08-15 07:55 20m -12 / - SP9OJ - / 0 2 ✓ Closing fragment
08-15 07:52 20m -14 / - M7PHE - / -17 2 ✓ Closing fragment
08-15 07:51 20m -13 / - SQ8AA - / +8 4 ✓ Closing fragment
08-15 07:50 20m -14 / +5 EA5BCO -22 / +2 4 ✓ Full exchange observed
08-15 07:46 20m -11 / -5 M1DBX -11 / -13 6 Partial capture
08-15 07:43 20m -14 / - SP9EVL - / +1 2 ✓ Closing fragment
08-15 07:42 20m -16 / - IZ4PKC - / - 2 ✓ Closing fragment
08-15 07:39 20m -16 / - DB7MB/P -23 / -5 2 Partial capture
08-15 07:38 20m -14 / - SM2IEN - / -18 2 ✓ Closing fragment
08-15 07:34 20m -14 / - PD1WMD -19 / -6 6 ✓ Closing observed
08-15 07:34 20m -16 / +4 DG5MLA -5 / +3 4 ✓ Full exchange observed
08-15 07:32 20m -9 / - SM2IEN - / -21 2 Partial capture
08-15 07:30 20m -12 / - DL9FFM - / -9 2 ✓ Closing fragment
08-15 07:26 20m -15 / - MM7FTH - / -16 2 ✓ Closing fragment
08-15 07:23 20m -16 / - YU4RBL - / 0 2 ✓ Closing fragment
08-15 07:22 20m -18 / - PD5GO - / -3 2 ✓ Closing fragment
08-15 07:20 20m -12 / -6 DL1GKH -12 / - 5 ✓ Closing observed
08-15 07:16 20m -14 / - F4HSB - / -1 3 ✓ Closing fragment
08-15 07:16 20m -16 / - EA4EGN - / -5 2 ✓ Closing fragment
08-15 07:10 20m -11 / - DA2DH - / -12 2 ✓ Closing fragment
08-15 07:09 20m -16 / - GJ0KYZ - / -6 2 ✓ Closing fragment
08-15 07:06 20m -10 / - SV9GSZ - / +9 2 Partial capture
08-15 07:05 20m -10 / - EA1FJD - / 0 2 ✓ Closing fragment
08-15 07:02 20m -12 / +1 SV8EUB -16 / -11 2 Partial capture
08-15 07:01 20m -13 / -1 IU2IKT -2 / +8 4 ✓ Full exchange observed
08-15 06:56 20m -12 / - YU2MDT - / 0 2 ✓ Closing fragment
08-15 06:55 20m -12 / -25 ON5AI -16 / - 5 ✓ Closing observed
08-15 06:54 20m -11 / - SV3CKF - / -22 2 ✓ Closing fragment
08-15 06:53 20m -16 / - SP5CJQ - / -11 2 ✓ Closing fragment
08-15 06:48 20m -10 / - ON5AI -16 / -19 13 ✓ Closing observed
08-15 06:46 20m -12 / -3 IK2SND -9 / -11 6 ✓ Full exchange observed
08-15 06:46 20m -8 / - PD4HC -21 / -13 2 Partial capture
08-15 06:43 20m -10 / - DK2KGB - / - 2 ✓ Closing fragment
08-15 06:42 20m -12 / - S57MPU -3 / +6 4 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
081400 -10 1780  PD1PSR 5B4AMX RR73
081530 -14 1780  DL1HQN 5B4AMX +01 (x2)
081715 -18 1721  5B4AMX G0MGK IO91
081730 -13 1780  UR5SDL 5B4AMX +09
081745 -15 1721  5B4AMX G0MGK IO91
081800 -14 1779  UR5SDL 5B4AMX RR73
081930 -13 1779  G0MGK 5B4AMX -13
081945 -21 1721  5B4AMX G0MGK R-08
082000 -12 1779  G0MGK 5B4AMX -13
082015 -19 1721  5B4AMX G0MGK R-05
082030 -12 1779  G0MGK 5B4AMX RR73
082045 -19 1721  5B4AMX G0MGK 73
082100 -12 1780  DD3ZZ 5B4AMX -20 (x2)
10m 
UTC    dB Audio  Message
121100 -24 1901  CQ DX 5B4AMX KM65 (x3)
121430 -17 1901  I4BUQ 5B4AMX +00 (x2)
121700 -16 1901  DF9NV 5B4AMX +00 (x2)
121800 -15 1901  CQ DX 5B4AMX KM65
121900 -19 1901  SQ5BPT 5B4AMX +18
122100 -19 1901  CQ DX 5B4AMX KM65 (x6)
40m 
UTC    dB Audio  Message
221315  +3  585  5B4AMX M5WJF IO82
194915  -4 1431  5B4AMX DL6RAR +18 (x3)
085745 -19 1750  5B4AMX YO6QDY KN26 (x3)
80m 
UTC    dB Audio  Message
192315 -14 2322  5B4AMX IU4SQE -09 (x2)
60m 
UTC    dB Audio  Message
195900 -17 1939  5B4AMX ER1KW KN46 (x2)
200115  -1  362  C91RU 5B4AMX KM65 (x13)

Decoder S/N history by band

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