F4MMT — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving F4MMT, decoded by SO8OO in southeastern Poland. 137 related FT8 messages, 4 CQ messages, observed on 80m, 40m, 20m, 10m, across 14 UTC dates. Heard between 2026-05-23 and 2026-08-21.

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

137
Related messages
4
CQ messages
14
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-23
Last seen: 2026-08-21 19:08 UTC

Frequent QSO partners observed at SO8OO

Stations F4MMT worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by F4MMT

Approximate centre of JN26, decoded 2026-08-22 20:32 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 UTCBandF4MMT S/NCounterpartCounterpart S/NMsgsCapture
08-22 20:30 20m +11 / - GM3AND - / -5 3 ✓ Closing fragment
08-21 21:07 20m - / -11 PY4STO -23 / - 3 Partial capture
08-21 20:59 20m +4 / -5 SV5BYP -7 / -7 5 ✓ Full exchange observed
08-21 20:57 20m +5 / - PY4LH - / -14 4 ✓ Closing fragment
08-21 20:54 20m +6 / - VE3HLM - / -8 3 Partial capture
08-21 20:52 20m 0 / - BI4JJO - / -15 2 Partial capture
08-21 20:49 20m -5 / - CX3VB - / -11 3 ✓ Closing fragment
08-20 20:22 20m -2 / - EW8CG - / - 2 Partial capture
08-20 20:20 20m -6 / 0 9K2GR +2 / -10 5 ✓ Full exchange observed
08-20 20:16 40m -1 / - EI9KF - / - 3 Partial capture
08-20 20:02 40m -1 / -7 UT7IA +12 / -13 5 ✓ Full exchange observed
08-16 20:25 80m -2 / - IT9RTA - / - 2 Partial capture
08-16 20:24 80m - / -13 JA5MHD -21 / - 3 Partial capture
08-16 20:23 80m 0 / -19 JA5AQC -18 / - 5 ✓ Closing observed
08-16 20:22 80m - / - SP9UPH +14 / - 3 Partial capture
08-16 20:21 80m -5 / - IU1DXU -11 / -6 4 ✓ Closing observed
08-16 20:20 80m - / - UA4FKT +7 / - 3 Partial capture
08-16 20:20 80m -5 / - JE6WOQ - / -14 2 ✓ Closing fragment
08-04 19:03 40m -9 / - GJ0KYZ/QRP - / +1 3 Partial capture
08-04 19:02 40m - / +10 DH0GBC -9 / - 9 Partial capture
08-04 19:02 40m - / - HB9CCM -6 / - 3 Partial capture
08-04 18:49 40m - / - 9A4ZM -7 / - 2 Partial capture
08-04 18:49 40m -10 / -15 DL9KM -8 / -4 7 ✓ Full exchange observed
08-04 18:48 40m -6 / - F5LMJ - / -16 2 ✓ Closing fragment
08-04 18:48 40m - / -10 S51PV -16 / - 7 Partial capture
08-04 18:46 20m - / -14 SV5AZK -9 / - 9 Partial capture
08-01 19:20 80m +1 / +2 F5RRS +3 / - 4 ✓ Closing observed
08-01 19:17 80m - / - 9A4ZM +13 / - 3 Partial capture
08-01 19:17 80m +4 / - ZS6WAB - / -20 4 ✓ Closing fragment
08-01 19:17 80m - / - DO9BAU +3 / - 13 Partial capture
08-01 19:15 80m - / - TM69TFR -5 / - 3 Partial capture
08-01 19:14 80m 0 / +4 SQ9PBV +13 / -10 6 ✓ Full exchange observed
08-01 09:21 40m - / - UT4PA -15 / - 4 Partial capture
07-21 20:27 20m +6 / - VE2OPR - / -26 3 Partial capture
07-21 20:25 20m 0 / - E70A - / -10 2 ✓ Closing fragment
07-21 20:23 20m -2 / - JH5AVM - / -13 3 ✓ Closing fragment
07-12 11:57 20m -14 / - KE2UK - / -17 5 ✓ Closing fragment
07-12 11:56 20m - / - PD2WL -17 / - 5 Partial capture
07-12 11:53 20m -16 / - KB1EFS - / -18 2 Partial capture
07-12 11:50 20m -12 / - YL3RK - / -16 2 Partial capture
06-08 20:18 10m -10 / -15 PY2DDR -20 / -10 4 ✓ Full exchange observed
06-08 20:17 10m -6 / - LZ2EW - / -13 2 ✓ Closing fragment
06-08 20:14 10m -6 / -10 PP5AB -17 / -14 5 ✓ Full exchange observed
06-08 20:06 20m +5 / -20 BD5CAM -9 / -18 4 Partial capture
06-07 20:07 40m -2 / -4 UN8DSW -20 / -9 5 ✓ Full exchange observed
06-03 20:38 20m +2 / - 9J2FI -2 / -13 2 ✓ Closing observed
06-02 20:32 20m - / 0 YL3PD -12 / - 3 Partial capture
06-02 20:23 20m -3 / - EP2AES - / -23 5 ✓ Closing fragment
05-29 21:27 20m -11 / - JR5MJS -6 / -10 5 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
205845  +5  647  PY4LH F4MMT R-14 (x2)
205945  +5 2027  SV5BYP F4MMT JN26
210000  -6 2027  F4MMT SV5BYP -05
210015  +5 2027  SV5BYP F4MMT R-07
210030  -8 2027  F4MMT SV5BYP RR73
210045  +3 2026  SV5BYP F4MMT 73
210245  +0  483  XU7O F4MMT R-14
210700 -24 1512  F4MMT PY4STO -11 (x3)
203045  +7 1075  GM3AND F4MMT JN26 (x3)
203230  +3 1454  OD5ZZ F4MMT JN26
40m 
UTC    dB Audio  Message
190430 -14 1097  F4MMT DH0GBC +10 (x5)
200215  +0 2284  UT7IA F4MMT JN26
200330 +12 2284  F4MMT UT7IA -07
200345  +0 2284  UT7IA F4MMT R-13
200400 +11 2284  F4MMT UT7IA 73
200415  -2 2284  UT7IA F4MMT 73
200500 -12 2735  F4MMT DK4REX JO31
201615  -2 2198  EI9KF F4MMT JN26 (x3)
201830 -14 2022  F4MMT RW1CW KO59
80m 
UTC    dB Audio  Message
202200  -3 1406  IU1DXU F4MMT 73
202215 +14 2217  F4MMT SP9UPH JO90 (x2)
202315 -22  851  F4MMT JA5AQC PM63
202315 +15 2217  F4MMT SP9UPH JO90
202345 -16  851  F4MMT JA5AQC R-19
202400  +0  851  JA5AQC F4MMT RR73
202415 -12 2676  F4MMT RA0SCA OO06
202415 -18  851  F4MMT JA5AQC 73
202445 -20  206  F4MMT JA5MHD -13
202500  -2  590  IT9RTA F4MMT JN26 (x2)
202545 -21  207  F4MMT JA5MHD -13
202545 -17  851  F4MMT JA5AQC PM63
202615 -21  207  F4MMT JA5MHD -13
10m 
UTC    dB Audio  Message
201200  +2 2754  PY2CAB F4MMT JN26
201230 -10 1089  5Z4VJ F4MMT JN26
201445  -9 2106  PP5AB F4MMT JN26
201500 -17 2107  F4MMT PP5AB -10
201515  -5 2106  PP5AB F4MMT R-14
201530 -17 2107  F4MMT PP5AB RR73
201545  -5 2105  PP5AB F4MMT 73
201730  -8 1087  LZ2EW F4MMT -13 (x2)
201815 -18 1401  F4MMT PY2DDR -15 (x2)
201900  -9 1400  PY2DDR F4MMT R-10 (x2)
202045  -9 1117  LU4VMR F4MMT JN26

Decoder S/N history by band

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