SM7SMS — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO77

Receiver-side FT8 activity involving SM7SMS, decoded by SO8OO in southeastern Poland. 56 related FT8 messages, observed on 40m, 20m, across 7 UTC dates. Heard between 2026-05-08 and 2026-07-17.

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

56
Related messages
0
CQ messages
7
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-08
Last seen: 2026-07-17 08:36 UTC

Activity Heatmap

Locator transmitted by SM7SMS

Approximate centre of JO77, decoded 2026-06-16 17:48 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 UTCBandSM7SMS S/NCounterpartCounterpart S/NMsgsCapture
07-17 10:29 20m - / - DH1PS -10 / - 12 Partial capture
07-17 10:28 20m - / -18 PD1ADA -17 / - 3 ✓ Closing fragment
06-16 17:48 40m -9 / -6 IQ9GD -10 / -13 4 ✓ Full exchange observed
06-16 17:47 40m -7 / - EK1KE - / -18 3 ✓ Closing fragment
06-10 04:58 40m -3 / - HP2DFA - / - 3 Partial capture
06-09 01:46 40m +3 / - TI2CC - / -13 6 ✓ Closing fragment
06-09 01:31 40m - / - RN6HK -2 / - 2 Partial capture
06-09 01:31 40m +6 / +1 DK8HC -8 / +3 6 ✓ Full exchange observed
06-09 01:29 40m 0 / +2 US2YW -20 / +3 5 ✓ Full exchange observed
06-09 01:28 40m +1 / - OA4EKB - / -23 3 ✓ Closing fragment
06-09 01:27 40m 0 / - SP6AXW - / -9 2 ✓ Closing fragment
06-09 01:26 40m +2 / - PY4EPO - / -17 2 ✓ Closing fragment
06-09 01:25 40m -2 / - DJ0MAB -5 / - 3 ✓ Closing observed
06-09 01:23 40m 0 / - LU1VDF - / -10 3 ✓ Closing fragment
06-09 01:22 40m +1 / -2 M9KCA -24 / -3 3 ✓ Full exchange observed
06-09 01:19 40m +1 / - PV8AJ - / -6 2 Partial capture
06-09 01:16 40m +3 / - CE3SOC - / -14 9 ✓ Closing fragment
06-09 01:14 40m +2 / - LU1VDF - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
102800 -15 2033  SM7SMS PD1ADA JO21 (x3)
102930  -7 1840  SM7SMS DH1PS JO31 (x12)
40m
UTC    dB Audio  Message
014730  +6 1884  TI2CC SM7SMS JO77 (x4)
045830  -6 1784  HP2DFA SM7SMS JO77 (x3)
174715  -7 1884  EK1KE SM7SMS JO77 (x3)
174845 -12 1884  IQ9GD SM7SMS JO77
174900 -10 1667  SM7SMS IQ9GD -06
174915  -7 1884  IQ9GD SM7SMS R-13 (x2)
175000  +5 2502  SM7SMS DL6EL JN57

Decoder S/N history by band

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