SM4/DK5ED — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden

Receiver-side FT8 activity involving SM4/DK5ED, decoded by SO8OO in southeastern Poland. 17 related FT8 messages, 2 CQ messages, observed on 40m, 10m, across 2 UTC dates. Heard between 2026-07-23 and 2026-07-29.

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.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

17
Related messages
2
CQ messages
2
UTC dates heard
-8 dB
Mean decoder S/N

Bands

First seen: 2026-07-23
Last seen: 2026-07-29 17:40 UTC

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 UTCBandSM4/DK5ED S/NCounterpartCounterpart S/NMsgsCapture
07-29 19:38 40m - / - DL6MRM -7 / - 5 Partial capture
07-29 19:34 40m -12 / 0 R5AV -5 / +7 2 Partial capture
07-29 19:32 40m -11 / - <...> -8 / - 5 ✓ Closing fragment
07-23 19:07 40m - / -7 UR5LCZ -13 / - 2 Partial capture
07-23 18:48 40m - / -15 DL1BJL -6 / - 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
193215  -9 2641  SM4/DK5ED <...> RR73
193230 -10 2487  <...> SM4/DK5ED 73
193300 -10 2487  CQ SM4/DK5ED
193330  -9 2487  PA4AM SM4/DK5ED +01
193400 -12 2487  <...> SM4/DK5ED RRR
193430  -9 2487  CQ SM4/DK5ED
193445  -5 2487  SM4/DK5ED R5AV +00
193500 -12 2487  R5AV SM4/DK5ED R+07
193515  -6 2487  SM4/DK5ED <...> RR73
193530 -10 2487  <...> SM4/DK5ED 73
193800  -3 2480  SM4/DK5ED DL6MRM JO52 (x5)
10m
UTC    dB Audio  Message
102845  -2 2853  SM4/DK5ED <...> RR73

Decoder S/N history by band

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