SM3ULU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Sweden Locator transmitted in a decoded message: JP81

Receiver-side FT8 activity involving SM3ULU, decoded by SO8OO in southeastern Poland. 763 related FT8 messages, observed on 80m, 60m, 40m, 20m, 10m, across 68 UTC dates. Heard between 2026-05-26 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.

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Overview

763
Related messages
0
CQ messages
68
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 20m 40m 60m 10m
First seen: 2026-05-26
Last seen: 2026-08-23 20:25 UTC

Frequent QSO partners observed at SO8OO

Stations SM3ULU worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by SM3ULU

Approximate centre of JP81, decoded 2026-08-24 00:41 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 UTCBandSM3ULU S/NCounterpartCounterpart S/NMsgsCapture
08-24 00:40 40m -13 / - LU6HOG - / - 3 Partial capture
08-23 23:09 40m -14 / - IT9KWE - / -18 3 ✓ Closing fragment
08-23 22:46 40m -12 / - LU5HJD - / - 3 Partial capture
08-23 22:28 40m -5 / - BD8SN - / -10 8 Partial capture
08-23 22:24 40m - / - PS7RW -17 / - 3 Partial capture
08-23 22:00 40m -2 / - F5MUX - / - 3 Partial capture
08-23 21:02 40m -6 / +1 GM5DNA -6 / +1 4 ✓ Full exchange observed
08-23 21:01 40m 0 / -10 RA9SBN +6 / -19 4 ✓ Full exchange observed
08-23 20:56 40m +2 / -14 IT9SMU +2 / -7 5 ✓ Full exchange observed
08-23 20:49 40m -5 / - F9IE - / -9 3 ✓ Closing fragment
08-23 20:40 40m -4 / -15 JN4MIV -11 / -13 4 ✓ Full exchange observed
08-23 20:38 40m -12 / -5 RW4W -2 / -8 4 ✓ Full exchange observed
08-23 20:16 40m -4 / - EC2ASL - / -16 2 ✓ Closing fragment
08-23 20:08 40m 0 / - RV6HAF - / - 2 Partial capture
08-23 15:06 20m -8 / - <...> - / - 2 Partial capture
08-23 14:49 20m -12 / - ON1AJ - / - 3 ✓ Closing fragment
08-23 14:18 20m - / -15 YE4FSB -1 / - 2 ✓ Closing fragment
08-23 03:08 40m -17 / - W4VNE - / - 3 Partial capture
08-23 02:14 40m - / -11 RA6FCU +7 / - 2 ✓ Closing fragment
08-22 22:41 40m -4 / - RI1FJL - / - 2 Partial capture
08-22 22:38 40m -12 / - PT9HT - / - 3 Partial capture
08-22 22:08 40m -8 / -13 SV1EKI -8 / -6 6 ✓ Full exchange observed
08-22 22:07 40m -9 / - LU2FGL - / -19 3 ✓ Closing fragment
08-22 21:59 40m -12 / - CT1FUH - / - 3 Partial capture
08-22 21:55 40m -4 / - LU3JP - / - 3 Partial capture
08-22 21:47 40m -7 / - LU3JP - / - 3 Partial capture
08-22 21:28 40m -7 / - MW3LFL -4 / -5 4 ✓ Closing observed
08-22 20:16 40m -2 / - UB0SMX/P - / - 2 Partial capture
08-22 17:43 40m -5 / - R6MC +3 / -14 4 ✓ Closing observed
08-21 04:16 60m -17 / - ER3UA - / - 2 Partial capture
08-21 03:59 40m -15 / - LU6HOG - / - 2 Partial capture
08-21 03:52 40m -14 / - K7VJ - / - 2 Partial capture
08-21 03:49 40m -13 / - LU6HOG - / - 2 Partial capture
08-21 03:38 40m -10 / - KK6BB - / - 3 Partial capture
08-21 03:34 40m -14 / - ZV8R - / - 2 Partial capture
08-21 02:59 40m - / -8 ER3ZW -9 / - 2 ✓ Closing fragment
08-21 00:25 40m -20 / - ER1BF +5 / -13 3 ✓ Closing observed
08-20 22:35 40m -16 / - CT1FUH - / - 2 Partial capture
08-20 21:07 40m -18 / -10 YT3ZT -18 / -5 3 ✓ Full exchange observed
08-20 21:06 40m - / +4 DB3MAX -1 / - 3 ✓ Closing fragment
08-20 21:06 40m -10 / -14 IU8PML -12 / -15 6 ✓ Full exchange observed
08-20 21:04 40m -15 / - M0CKX -18 / - 3 ✓ Closing observed
08-20 21:03 40m -10 / - UR5WQ - / -14 2 ✓ Closing fragment
08-20 20:44 40m -14 / - F5MUX - / - 2 Partial capture
08-20 20:12 60m 0 / - OJ0JR +8 / -2 4 ✓ Full exchange observed
08-20 17:00 20m - / -15 DL1YS -1 / - 4 ✓ Closing fragment
08-20 17:00 20m - / +5 F4HSB -9 / - 3 ✓ Closing fragment
08-20 16:59 20m - / -16 EA8FB -4 / - 2 ✓ Closing fragment
08-20 15:44 20m - / -6 <...> 0 / - 2 Partial capture
08-20 14:11 20m -1 / -22 TA3KJ +4 / -13 4 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
223115  -2  653  BD8SN SM3ULU R-10 (x4)
224645 -15 2488  LU5HJD SM3ULU JP81 (x3)
230900 -12 1175  IT9KWE SM3ULU JP81 (x3)
001430 -14 1381  K5HQ SM3ULU JP81
003200  -4 1656  LU6HOG SM3ULU JP81 (x4)
20m 
UTC    dB Audio  Message
170230  -1  707  SM3ULU DL1YS R-15 (x2)
192245  -5 2376  D2IM SM3ULU JP81 (x3)
204800 -11 2965  SM3ULU SA3LEN RR73
141845  -2  620  SM3ULU YE4FSB -15 (x2)
144915  -6 1218  ON1AJ SM3ULU RR73 (x3)
145130 -14 2026  <...> SM3ULU JP81
145645 -11 1772  AP2TN SM3ULU JP81
150630  -7 1016  <...> SM3ULU JP81 (x2)
60m 
UTC    dB Audio  Message
201200 +11  378  SM3ULU OJ0JR +16
201215  -1  378  OJ0JR SM3ULU R-02
201230  +6  379  SM3ULU OJ0JR RR73
201245  +2  438  OJ0JR SM3ULU 73
041630 -15 2327  ER3UA SM3ULU JP81 (x2)
10m 
UTC    dB Audio  Message
183915  +0 1852  SM3ULU UA3SCF RR73
192700 -16  241  RW9FZ SM3ULU JP81
194230 -24 1628  PS8CW SM3ULU JP81
093545 -15  870  SM3ULU R9HAK -21 (x2)
180330  -8 2421  SM3ULU PY5XT -13 (x4)
124700 -14  758  SM3ULU GB2WWA -15 (x2)
104800 -11 1181  SM3ULU DL8LBY -16 (x2)
122645 -22 2122  SM3ULU DK0ACI -16
130445  -4 2951  SM3ULU DO1FDK JO41
80m 
UTC    dB Audio  Message
213645 -15  918  SK3WWA SM3ULU JP81
214130 -11  590  SM3ULU II3WWA RR73
215145  -8  590  SM3ULU RD7O +03
221030 -20 1071  SM3ULU RC6OD -07
221515 -16 1121  SM3ULU DO1BRD RR73
223030 -16 1592  SM3ULU LA4SIA -06 (x2)
225200 -17  915  DB1AD SM3ULU JP81
225545 -17 1633  SM3ULU DK2LG RR73
232100 -20 1225  SM3ULU OH5WWA RR73
232200 -21 1457  SM3ULU SN2WWA -14
235445 -14 2326  SM3ULU YO2LBV -05 (x2)
000730 -14  916  G7IGC SM3ULU R-08 (x2)

Decoder S/N history by band

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