SM0BYO — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JO99

Receiver-side FT8 activity involving SM0BYO, decoded by SO8OO in southeastern Poland. 132 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, 10m, across 18 UTC dates. Heard between 2026-05-27 and 2026-08-19.

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

132
Related messages
2
CQ messages
18
UTC dates heard
-2 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-27
Last seen: 2026-08-19 03:27 UTC

Frequent QSO partners observed at SO8OO

Stations SM0BYO worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by SM0BYO

Approximate centre of JO99, decoded 2026-07-25 02:38 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 UTCBandSM0BYO S/NCounterpartCounterpart S/NMsgsCapture
07-25 02:37 40m -17 / - D2UY - / - 3 Partial capture
07-25 02:34 40m -17 / - XE1PM - / - 3 Partial capture
07-25 02:31 40m -17 / - TI5CBS - / - 3 Partial capture
07-25 02:23 80m -15 / - NM1G - / - 3 Partial capture
07-25 02:21 80m -14 / -8 DO1OAS -2 / +6 5 ✓ Full exchange observed
07-25 02:16 80m -16 / - NM1G - / - 6 Partial capture
07-25 02:14 80m -12 / - <...> - / - 3 Partial capture
07-25 02:10 80m 0 / - OK2UPG +12 / +3 8 ✓ Full exchange observed
07-23 00:58 40m -20 / - T40FRC - / - 3 Partial capture
07-23 00:53 40m -21 / - C6AVD - / - 2 Partial capture
07-23 00:46 80m +8 / +1 DO9BAU +12 / - 4 ✓ Full exchange observed
07-23 00:44 80m +10 / - PY5XT - / -13 2 ✓ Closing fragment
07-23 00:43 80m +10 / +6 9A4ZM +10 / - 4 ✓ Closing observed
07-23 00:41 80m - / - DO9JTR -10 / - 8 Partial capture
07-23 00:39 80m - / - 9A60CBM +17 / - 5 Partial capture
07-23 00:39 80m - / - DO9BAU +10 / - 11 Partial capture
07-23 00:39 80m +8 / -13 EA5HM -4 / +4 10 ✓ Full exchange observed
07-23 00:39 80m +12 / +2 HG8LXL +16 / - 7 ✓ Full exchange observed
07-23 00:39 80m - / - UA4FKT +11 / - 4 Partial capture
07-23 00:35 80m +8 / -18 TN8GD -8 / -7 10 ✓ Full exchange observed
07-23 00:34 80m +8 / - CE3PA - / - 2 Partial capture
07-23 00:32 40m -17 / - T47FCR - / - 4 Partial capture
07-22 23:53 20m - / - EA1IOK -10 / - 3 Partial capture
07-14 01:18 80m -4 / -4 DK5WL -7 / +6 5 ✓ Full exchange observed
07-14 01:11 80m +5 / -1 TJ1GD/P -20 / -22 15 ✓ Full exchange observed
07-13 13:51 20m - / -14 DL2DQL -16 / - 4 Partial capture
07-10 03:25 40m -23 / - F5RRS -13 / - 2 ✓ Closing observed
07-10 03:23 40m -23 / -3 5B4AMM -10 / - 3 Partial capture
07-08 02:25 80m -8 / - K2E - / - 4 Partial capture
07-08 02:24 80m -10 / - EA5HM -6 / -2 4 ✓ Closing observed
07-08 02:22 80m -10 / - PY1EME - / -25 3 ✓ Closing fragment
07-08 02:17 40m - / -4 F5PBG -19 / - 2 ✓ Closing fragment
07-07 02:48 40m -12 / - SV5BYP - / - 2 Partial capture
07-07 02:21 80m 0 / - K2K - / - 4 Partial capture
07-07 02:19 80m - / - UA4FKT -3 / - 2 Partial capture
07-07 02:13 80m -7 / -16 CE8EIO -22 / -7 12 ✓ Full exchange observed
07-07 02:04 40m - / - SP3HIF -9 / - 4 ✓ Closing fragment
07-07 01:56 40m - / -2 DL9KM -10 / - 6 ✓ Closing fragment
07-07 01:35 40m - / +2 HG8LXL -11 / - 3 Partial capture
06-27 09:36 10m - / - PE1NPS -16 / - 3 ✓ Closing fragment
06-25 20:42 10m - / -3 DL3MIB -7 / - 5 ✓ Closing fragment
06-11 11:26 10m - / -9 R2EA +6 / - 2 Partial capture
06-10 21:32 40m -16 / - F5PBG - / +8 5 Partial capture
06-10 21:30 40m -14 / - UN8DSW - / +1 2 ✓ Closing fragment
06-10 21:26 40m -12 / - F5PBG - / +4 2 Partial capture
06-10 21:22 40m -12 / -15 IQ9BF -18 / -4 6 ✓ Full exchange observed
06-10 21:15 20m -22 / -23 SV9TLU +4 / - 4 ✓ Full exchange observed
06-10 21:10 20m - / -22 SV9TLU +7 / - 3 Partial capture
06-09 10:14 20m -10 / - TI5RR - / - 2 Partial capture
06-04 14:53 10m -20 / - PD0LBY - / -13 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
005915 -18 1519  T40FRC SM0BYO JO99 (x2)
010445 -22 1520  TI3CAT SM0BYO JO99
023145 -19 2223  TI5CBS SM0BYO JO99 (x3)
023445 -16 2223  XE1PM SM0BYO JO99 (x3)
023745 -17 2223  D2UY SM0BYO JO99 (x3)
052515 -12 2588  SM0BYO YL2JZ +08
052615 -10 1993  SM0BYO F8MRQ JN17
052745 -22 1455  SM0BYO EU6KA 73
80m 
UTC    dB Audio  Message
021730 -16 1770  NM1G SM0BYO JO99 (x4)
022030 -18 1770  <...> SM0BYO JO99
022100 -19 1770  CQ NA SM0BYO JO99
022115  -1 1771  SM0BYO DO1OAS -08
022130 -14 1770  CQ NA SM0BYO JO99
022145  -3 1771  SM0BYO DO1OAS -08
022200 -15 1770  DO1OAS SM0BYO R+06
022215  -3 1771  SM0BYO DO1OAS RR73
022230 -14 1770  DO1OAS SM0BYO 73
022330 -14 1770  NM1G SM0BYO JO99 (x3)
20m 
UTC    dB Audio  Message
211115  +5 2573  SM0BYO SV9TLU -22 (x3)
211600 -22 1319  SV9TLU SM0BYO R+15
211615  +3 2573  SM0BYO SV9TLU RR73 (x2)
132730 -16 1729  SM0BYO 2D0VPS/P RR73
012845 -20 1169  TN8GD SM0BYO JO99
135130 -18 1843  SM0BYO DL2DQL JO61 (x4)
235300 -10  760  SM0BYO EA1IOK IN62 (x3)
10m 
UTC    dB Audio  Message
145545 -18 1885  GB6DD SM0BYO R-08
112600  +5 2543  SM0BYO R2EA -09 (x2)
204215  -7 1126  SM0BYO DL3MIB JN57 (x5)
093215 -18 1394  SM0BYO SK7WS -04
093600 -18 2431  SM0BYO PE1NPS JO22 (x3)
094715 -19 1158  OZ9FF SM0BYO R+05
094845 -18 1159  DO7BE SM0BYO RR73
094915 -19 1158  2E0OEW SM0BYO -07

Decoder S/N history by band

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