F4MMU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France Locator transmitted in a decoded message: JN26

Receiver-side FT8 activity involving F4MMU, decoded by SO8OO in southeastern Poland. 222 related FT8 messages, 80 CQ messages, observed on 40m, 20m, 10m, across 37 UTC dates. Heard between 2026-05-21 and 2026-08-17.

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

222
Related messages
80
CQ messages
37
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-05-21
Last seen: 2026-08-17 07:35 UTC

Activity Heatmap

Locator transmitted by F4MMU

Approximate centre of JN26, decoded 2026-08-22 05:38 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 UTCBandF4MMU S/NCounterpartCounterpart S/NMsgsCapture
08-22 05:38 20m -2 / - ZL3OY - / - 2 Partial capture
08-22 05:35 20m +4 / - VK3JMA - / - 2 Partial capture
08-22 05:27 20m -10 / - VK2ZZY - / -17 2 ✓ Closing fragment
08-17 09:33 10m - / - F5NIB +1 / - 4 Partial capture
08-15 20:01 20m -7 / - K8USN - / -20 3 Partial capture
08-15 20:00 20m -8 / - SA0WAE - / -8 2 ✓ Closing fragment
08-15 19:57 20m -9 / - DJ0MAB - / -11 3 Partial capture
08-15 19:56 20m - / -5 OE9RWH -13 / - 3 ✓ Closing fragment
08-15 19:53 20m -10 / -14 HS0ZOY -3 / -4 3 ✓ Full exchange observed
08-15 19:49 20m -6 / - <...> - / -16 2 Partial capture
08-15 19:42 20m - / +3 CS8ABF -4 / - 2 ✓ Closing fragment
08-15 19:39 20m -9 / - SP6FCQ - / -10 3 ✓ Closing fragment
08-10 16:27 10m - / - SV0LS -10 / - 2 Partial capture
08-09 12:01 10m -22 / - G4MQL - / -10 2 ✓ Closing fragment
07-31 05:58 10m -19 / - 4X1AJ - / -11 3 ✓ Closing fragment
07-31 05:56 10m -21 / - HS0ZOY - / -13 3 ✓ Closing fragment
07-30 20:16 10m -20 / - HI8UD - / -14 2 Partial capture
07-30 13:02 10m -23 / - SV1EKI - / -12 2 ✓ Closing fragment
07-27 19:53 10m -21 / - PY2BZZ - / - 2 ✓ Closing fragment
07-27 19:23 10m -20 / - PU2XEE - / -11 2 ✓ Closing fragment
07-12 05:12 20m - / +3 RN6MA -14 / - 3 ✓ Closing fragment
07-07 19:51 20m - / -4 EA2DYB -4 / - 2 Partial capture
06-30 19:15 20m -6 / +7 MM0TBH -7 / -2 5 ✓ Full exchange observed
06-30 18:31 20m -2 / - E2WWA - / - 2 Partial capture
06-28 20:20 10m -10 / - HK0RMR - / -6 3 ✓ Closing fragment
06-28 19:48 20m -19 / +2 DL2FX -17 / - 2 ✓ Closing observed
06-28 19:45 20m -20 / +5 DF8TN -13 / - 5 ✓ Closing observed
06-20 20:20 20m - / 0 M7JVT -12 / - 2 ✓ Closing fragment
06-20 20:17 20m - / +8 M0KSD -7 / - 3 ✓ Closing fragment
06-20 14:34 10m -6 / - CS7BDU - / -14 2 ✓ Closing fragment
06-20 14:33 10m - / - UX7QG +3 / - 3 Partial capture
06-20 14:31 10m -7 / - F4FSY -6 / -17 3 ✓ Closing observed
06-20 14:29 10m -8 / - DL1JEL - / -8 2 ✓ Closing fragment
06-20 14:27 10m -10 / - EA3EXE - / -12 2 ✓ Closing fragment
06-14 20:50 20m -14 / -4 G0RVY 0 / - 4 ✓ Closing observed
06-14 20:03 10m - / -4 IK4TVP -5 / - 4 Partial capture
06-12 18:20 10m - / -10 F1PBZ +8 / - 4 Partial capture
06-12 08:41 10m -15 / - YB1LED -18 / -17 4 ✓ Closing observed
06-12 08:33 10m - / -10 F1PBZ +17 / - 4 Partial capture
06-12 06:06 10m - / -10 9K2HN -16 / - 2 ✓ Closing fragment
06-12 05:39 20m - / -16 RU3QR -6 / - 5 ✓ Closing fragment
06-11 18:22 10m - / - PY5TD -20 / - 3 Partial capture
06-11 18:17 10m -16 / - PU2VGB - / -12 2 ✓ Closing fragment
06-11 18:16 10m -12 / - G4DBW - / -2 2 ✓ Closing fragment
06-10 16:46 10m -14 / - PV8AJ - / -4 2 ✓ Closing fragment
06-09 18:56 20m +3 / - OS4K - / -3 2 ✓ Closing fragment
06-09 18:35 10m - / -12 F1SZC -3 / - 3 ✓ Closing fragment
06-08 12:36 10m -4 / - YB1KK - / - 2 Partial capture
06-08 12:33 10m -8 / - OE3KLU - / - 2 Partial capture
06-08 06:54 10m -14 / +4 OD5JL -10 / -14 10 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
195945 -10 1572  CQ F4MMU JN26 (x2)
200045  -8 1572  SA0WAE F4MMU -08 (x2)
200145  -7 1572  K8USN F4MMU -20 (x3)
200515 -10 1572  CQ F4MMU JN26
052700 -14  731  F4MMU VK7AC RR73
052715 -12 1579  VK2ZZY F4MMU R-17 (x2)
053530  +3 1580  VK3JMA F4MMU JN26 (x2)
053800  -3 1579  ZL3OY F4MMU JN26 (x2)
10m
UTC    dB Audio  Message
120045 -23 1589  CQ F4MMU JN26
120115 -22 1589  G4MQL F4MMU -10 (x2)
120315 -18 1589  SQ4MIK F4MMU RR73
120330 -20 1587  F4MMU EA7Z IM67
120345 -18 1588  CQ F4MMU JN26
120445 -18 1589  OK2CAT F4MMU RR73
120545 -24 1588  LZ1LZ F4MMU JN26
162700 -11 1588  F4MMU SV0LS KN00 (x2)
192845 -23 1589  CQ F4MMU JN26
093345  -1  750  F4MMU F5NIB JN06 (x4)

Decoder S/N history by band

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