SM3FYZ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JP73

Receiver-side FT8 activity involving SM3FYZ, decoded by SO8OO in southeastern Poland. 409 related FT8 messages, 70 CQ messages, observed on 40m, 20m, across 37 UTC dates. Heard between 2026-05-31 and 2026-08-23.

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

409
Related messages
70
CQ messages
37
UTC dates heard
-5 dB
Mean decoder S/N

Bands

First seen: 2026-05-31
Last seen: 2026-08-23 15:04 UTC

Activity Heatmap

Locator transmitted by SM3FYZ

Approximate centre of JP73, decoded 2026-08-23 17:03 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 UTCBandSM3FYZ S/NCounterpartCounterpart S/NMsgsCapture
08-23 17:02 20m -5 / -11 GW4HZA 0 / 0 5 Partial capture
08-23 16:54 20m -2 / - ON8BZ - / - 2 Partial capture
08-22 21:00 20m - / -11 IU4PPL -4 / - 4 ✓ Closing fragment
08-15 20:34 20m - / -9 MW9MCO -2 / - 2 ✓ Closing fragment
08-15 20:29 20m - / -14 EA3RR -7 / - 9 ✓ Closing fragment
08-15 20:26 20m - / -10 M8KKH -6 / - 2 ✓ Closing fragment
08-14 09:22 20m - / -7 SV2HTW -14 / - 2 ✓ Closing fragment
08-13 21:14 20m - / -21 F1PBZ -3 / - 2 ✓ Closing fragment
07-26 08:56 20m - / - PA2AMJ -8 / - 2 Partial capture
07-25 21:35 20m - / - RA4FUT -10 / - 3 Partial capture
07-25 21:29 20m -10 / - WI1U - / - 2 Partial capture
07-25 21:07 20m -5 / -12 G8RZ -6 / +3 2 Partial capture
07-25 20:56 20m -9 / - PD5MVH - / -4 3 ✓ Closing fragment
07-25 18:38 20m -1 / - G0CMQ - / - 2 Partial capture
07-25 18:33 20m -2 / - CR7BRV - / - 2 Partial capture
07-25 11:36 20m - / -5 9A9TT -6 / - 2 ✓ Closing fragment
07-25 10:06 20m - / -10 F4VVJ -8 / - 2 ✓ Closing fragment
07-24 20:58 20m - / - DL1R -4 / - 5 Partial capture
07-24 20:51 20m - / - DM4GG -10 / - 2 Partial capture
07-23 17:14 20m - / - R3KCW -12 / - 2 ✓ Closing fragment
07-22 20:09 20m - / -16 G4RCV -7 / - 4 ✓ Closing fragment
07-20 18:53 20m -6 / - <...> - / - 2 Partial capture
07-20 18:38 20m - / -8 YO3IZI +4 / - 3 ✓ Closing fragment
07-20 18:23 20m - / -14 UR5LY -8 / - 2 ✓ Closing fragment
07-15 19:00 20m - / -10 EA5RO +10 / - 3 ✓ Closing fragment
07-15 06:49 20m - / -7 SV7BAY -5 / - 3 ✓ Closing fragment
07-13 20:01 20m - / - 9K2GR -19 / - 2 ✓ Closing fragment
07-12 08:17 20m - / -5 DG1HVL +5 / - 5 ✓ Closing fragment
07-06 16:59 20m - / -4 DL9TZ -7 / - 3 ✓ Closing fragment
07-04 17:53 20m - / -8 II7WWA -8 / - 2 ✓ Closing fragment
06-26 21:36 20m - / -14 PP1WW -9 / - 3 ✓ Closing fragment
06-22 18:38 20m -4 / - EP2AES - / - 2 Partial capture
06-21 20:10 20m -9 / - BD1TX - / - 2 Partial capture
06-21 20:07 20m -14 / - A71AH - / - 2 Partial capture
06-21 20:04 20m -3 / 0 DL1DOS -5 / -8 5 ✓ Full exchange observed
06-21 08:52 20m - / -2 F6KTM +4 / - 2 ✓ Closing fragment
06-19 21:52 20m -12 / - OE3PBS - / - 2 ✓ Closing fragment
06-19 20:52 20m 0 / -6 HB9HSJ -4 / +7 5 ✓ Full exchange observed
06-19 20:41 20m -4 / - IQ6PE - / - 2 Partial capture
06-19 20:37 20m -2 / -12 DF8MV -8 / +1 6 ✓ Full exchange observed
06-19 20:36 20m +4 / - DH0GBC - / -3 2 ✓ Closing fragment
06-14 13:38 20m - / -13 IR0RCAG -16 / - 2 Partial capture
06-14 13:35 20m - / +1 DK8RE -3 / - 2 ✓ Closing fragment
06-12 10:51 20m - / - F5HFM -10 / - 2 Partial capture
06-12 09:37 20m -6 / - EA3NG - / -4 4 ✓ Closing fragment
06-06 09:17 20m - / -2 F1DXP -14 / - 2 ✓ Closing fragment
06-06 08:30 20m - / - PD1AC -14 / - 3 ✓ Closing fragment
06-06 08:07 20m - / +6 M8XDZ -1 / - 2 ✓ Closing fragment
06-06 08:07 20m - / - M7PHE -15 / - 4 Partial capture
06-05 17:09 20m 0 / - IZ4EFV - / -5 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
210030  -6 2543  SM3FYZ IU4PPL JN54 (x4)
164900  -3 2509  CQ SM3FYZ JP73 (x4)
165400  +0 2509  ON8BZ SM3FYZ JP73 (x2)
170230  -6 2570  GW4HZA SM3FYZ JP73 (x2)
170415  +0  498  SM3FYZ GW4HZA -11
170430  -6 2569  GW4HZA SM3FYZ R+00 (x2)
40m
UTC    dB Audio  Message
201445 -19 2132  SM3FYZ UN8DSW -09
202030 -15 2301  SM3FYZ 9A7BB JN75

Decoder S/N history by band

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