IS0SLM — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sardinia Locator transmitted in a decoded message: JM49

Receiver-side FT8 activity involving IS0SLM, decoded by SO8OO in southeastern Poland. 108 related FT8 messages, 28 CQ messages, observed on 40m, 20m, 10m, across 10 UTC dates. Heard between 2026-05-31 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

108
Related messages
28
CQ messages
10
UTC dates heard
-11 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-08-22 11:24 UTC

Activity Heatmap

Locator transmitted by IS0SLM

Approximate centre of JM49, decoded 2026-08-08 11:34 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 UTCBandIS0SLM S/NCounterpartCounterpart S/NMsgsCapture
08-22 13:23 40m - / -8 OK1VCB -8 / - 3 ✓ Closing fragment
08-22 13:21 40m - / -24 9A3EYA -8 / - 5 ✓ Closing fragment
08-09 11:33 10m - / -4 OE9KFV -2 / - 3 Partial capture
08-09 11:28 10m - / -2 HB9CCM -14 / - 3 ✓ Closing fragment
08-09 07:51 10m - / - RY6O -21 / - 4 Partial capture
08-08 11:34 20m -24 / - <...> - / - 2 Partial capture
08-06 14:01 10m - / - PD9FLX -10 / - 4 Partial capture
08-06 14:01 10m - / - OZ1TRP -18 / - 7 Partial capture
08-06 12:31 20m -8 / -8 SP1ZMO -16 / -12 7 ✓ Full exchange observed
08-06 11:28 20m -14 / - SH4PAK - / -20 2 Partial capture
08-06 11:27 20m -15 / 0 F4AWT -13 / -12 5 ✓ Full exchange observed
08-06 11:15 20m -16 / - F1PBZ -4 / +4 3 ✓ Closing observed
08-06 11:09 20m - / -6 M7OBM -6 / - 2 Partial capture
06-22 14:10 10m - / - 9A2KS -18 / - 4 ✓ Closing fragment
06-20 14:03 10m -9 / - C91RU - / - 3 Partial capture
06-20 13:54 10m -12 / - C91RU - / - 6 Partial capture
06-20 13:53 10m -10 / - DN9KK - / -12 2 ✓ Closing fragment
06-20 13:47 10m -8 / - UA4FKT - / -11 2 ✓ Closing fragment
06-20 13:47 10m -8 / - C91RU - / - 8 Partial capture
06-20 13:46 10m -10 / - CX3AS - / -9 2 ✓ Closing fragment
06-20 13:14 10m -7 / - C91RU - / -17 2 Partial capture
06-19 16:42 20m -23 / - M8KKH - / -5 2 ✓ Closing fragment
06-19 16:40 20m -20 / - S09S - / - 4 Partial capture
06-19 16:36 20m -18 / - IU3UJO - / +7 2 ✓ Closing fragment
06-19 16:30 20m -21 / - ON3CCM - / -11 2 ✓ Closing fragment
06-19 16:29 20m -18 / - PD1HBL - / 0 2 ✓ Closing fragment
06-19 16:27 20m -24 / - UT3SO - / +5 2 ✓ Closing fragment
06-19 16:16 20m -4 / -6 EA3GVB -9 / -6 5 ✓ Full exchange observed
06-19 16:14 20m - / - G0PPP -9 / - 2 ✓ Closing fragment
06-07 11:14 10m - / -16 G1ZHD -8 / - 2 Partial capture
06-06 19:46 40m -10 / - HB0/HB9FXF - / - 2 Partial capture
06-06 19:43 40m -7 / - IT9BXZ - / +4 3 Partial capture
06-06 19:40 40m -11 / - IQ4LH - / +5 2 ✓ Closing fragment
06-06 19:35 40m - / - S50PV -16 / - 2 ✓ Closing fragment
06-06 19:35 40m -10 / - EA2BUW - / -2 2 ✓ Closing fragment
06-06 19:32 40m -8 / - VK4FFF - / -23 4 Partial capture
06-06 19:30 40m -7 / - CT7ATA - / -8 3 Partial capture
06-06 19:27 40m -6 / -1 S52OR +10 / +8 4 ✓ Full exchange observed
06-06 19:24 40m -8 / - F6FHZ - / -5 4 ✓ Closing fragment
06-06 19:20 40m -15 / -4 EB5JKV -4 / +10 4 ✓ Full exchange observed
06-06 19:20 40m - / - F4BYA -3 / - 4 Partial capture
06-06 19:20 40m -12 / -11 R5AV -2 / -3 5 ✓ Full exchange observed
06-06 11:05 20m -6 / - LZ4VR - / -16 2 ✓ Closing fragment
06-06 11:02 20m -9 / - F6FDY -5 / +3 6 ✓ Full exchange observed
06-06 11:01 20m -6 / 0 PE9JAN -8 / +8 5 ✓ Full exchange observed
05-31 16:26 20m - / +2 M7TUP -18 / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
194230 -11 1584  IK1MJK IS0SLM RR73
194300 -10 1583  CQ IS0SLM JM49
194330  -9 1584  IT9BXZ IS0SLM +04 (x3)
194600 -10 1583  HB0/HB9FXF IS0SLM JM49 (x2)
132100  -5 1992  IS0SLM 9A3EYA JN86 (x4)
132330  -8 1353  IS0SLM OK1VCB JN79
132345 -11 1992  IS0SLM 9A3EYA R-02
132400  -7 1353  IS0SLM OK1VCB R-08 (x2)
10m
UTC    dB Audio  Message
140330  -8 2542  IS0SLM PD9FLX JO22
140330 -18 1849  IS0SLM OZ1TRP JO65 (x3)
075145 -22 1524  IS0SLM RY6O KN87 (x4)
112845 -16 1754  IS0SLM HB9CCM JN47 (x3)
113345  -7 1714  IS0SLM OE9KFV R-04 (x3)
114930 -11 1124  IS0SLM DL3MIB JN57
20m
UTC    dB Audio  Message
122715 -22 1514  CQ IS0SLM JM49 (x3)
123045 -14 1514  DB2LP IS0SLM RR73
123115  -8 1514  SP1ZMO IS0SLM -12 (x2)
123200 -20 1514  IS0SLM SP1ZMO R-08
123215  -1 1514  SP1ZMO IS0SLM -12
123230 -14 1514  IS0SLM SP1ZMO R-08 (x2)
123315 -12 1513  CQ IS0SLM JM49
123345 -16 1513  SP1ZMO IS0SLM RR73
130930  -1 3105  IS0SLM UB1QBZ KO99
113400 -24 1517  <...> IS0SLM JM49 (x2)

Decoder S/N history by band

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