S57MG — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Slovenia Locator transmitted in a decoded message: JN75

Receiver-side FT8 activity involving S57MG, decoded by SO8OO in southeastern Poland. 353 related FT8 messages, 52 CQ messages, observed on 80m, 40m, 20m, 10m, across 25 UTC dates. Heard between 2026-05-25 and 2026-08-16.

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

353
Related messages
52
CQ messages
25
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-05-25
Last seen: 2026-08-16 17:10 UTC

Activity Heatmap

Locator transmitted by S57MG

Approximate centre of JN75, decoded 2026-08-21 19:04 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 UTCBandS57MG S/NCounterpartCounterpart S/NMsgsCapture
08-16 19:09 10m - / -7 PC9K -19 / - 2 ✓ Closing fragment
08-16 13:09 20m -14 / - 8Q7PR - / - 5 Partial capture
08-07 19:38 20m - / 0 M0ABG -13 / - 2 ✓ Closing fragment
08-05 19:38 20m - / - R4FDK -13 / - 4 Partial capture
07-26 19:51 20m -12 / - R1BEO - / -2 3 Partial capture
07-26 19:47 20m -12 / - ON/PE1NLU - / -7 2 Partial capture
07-26 19:42 20m -15 / -16 RA6OY -2 / +7 9 ✓ Full exchange observed
07-26 19:39 20m -9 / - G2RW -4 / - 2 ✓ Closing observed
07-26 19:37 20m -12 / - SQ3MQD - / -3 2 ✓ Closing fragment
07-26 19:25 20m -18 / - EX8ABR - / - 2 Partial capture
07-26 16:31 20m - / -13 EB3JT -6 / - 3 ✓ Closing fragment
07-21 18:02 20m -15 / - VK2ZR - / - 5 Partial capture
07-21 18:01 20m - / - PD2WL -15 / - 3 Partial capture
07-19 21:00 20m -4 / -11 <...> -7 / - 3 Partial capture
07-19 20:59 20m -2 / -4 ZA/KN7L -8 / - 6 Partial capture
07-19 20:41 20m -10 / - 7Z1BM - / - 17 Partial capture
07-18 16:48 20m -6 / - XV9T - / - 3 Partial capture
07-17 21:21 40m - / -8 GJ0KYZ -6 / - 2 ✓ Closing fragment
07-17 20:16 20m -10 / - TN8GD - / - 4 Partial capture
07-17 20:08 20m -14 / - LA2GCA - / +2 3 ✓ Closing fragment
07-17 20:02 20m -15 / -10 Z38DX -8 / -6 7 ✓ Full exchange observed
07-17 20:01 20m - / - F4BHK -16 / - 3 Partial capture
07-17 19:57 20m -13 / - PP1WW -19 / -12 3 ✓ Closing observed
07-17 19:35 20m -16 / -11 KF0YOB -8 / - 5 ✓ Closing observed
07-15 19:28 40m - / -24 EW2ZC -12 / - 2 Partial capture
07-15 18:50 20m -11 / - 4L7T - / -13 2 Partial capture
07-15 18:25 20m - / - UN0GY -10 / - 2 ✓ Closing fragment
07-12 20:07 20m - / -9 CT7AUT -9 / - 2 ✓ Closing fragment
07-12 19:03 40m -22 / - MJ0LEL - / - 4 Partial capture
07-09 20:56 20m - / -5 M9VVE -5 / - 3 ✓ Closing fragment
07-09 20:48 20m - / +1 G4YLJ -8 / - 2 ✓ Closing fragment
07-09 20:14 40m - / - SP9UPH +5 / - 5 Partial capture
07-09 19:48 40m - / -16 HG8LXL -8 / - 3 ✓ Closing fragment
07-09 19:28 40m -16 / - IK1MJK - / -2 4 ✓ Closing fragment
07-09 19:26 40m -16 / - DD7EE - / -9 2 ✓ Closing fragment
07-08 21:59 40m - / - F4BYA +2 / - 3 Partial capture
07-08 21:58 40m - / - IQ4JO +4 / - 2 Partial capture
07-08 21:08 40m -13 / - GI4OGS - / -10 3 Partial capture
07-08 21:06 40m -10 / - YO9HP - / -14 2 ✓ Closing fragment
07-08 21:06 40m -11 / -10 RN6MA 0 / -8 6 ✓ Full exchange observed
07-08 21:01 40m -8 / - YU4OCC - / -3 2 Partial capture
07-08 20:59 40m -19 / - F4MGP - / -16 2 Partial capture
07-08 20:57 40m -18 / -11 DL70ESSEN -15 / -3 2 Partial capture
07-08 20:51 40m - / - DL7GAL -2 / - 2 Partial capture
07-08 20:51 40m -17 / - GI4OGS - / -14 5 Partial capture
07-08 20:44 40m -16 / +5 DL7ARV -11 / - 8 ✓ Closing observed
07-08 20:44 40m -16 / -1 PD0LH -18 / -14 3 ✓ Full exchange observed
07-08 20:41 40m - / -12 DK4RH -19 / - 3 ✓ Closing fragment
07-08 20:36 40m -17 / +5 DH1BAS -9 / - 4 ✓ Full exchange observed
07-08 20:29 40m -19 / - SM7MDI -21 / -14 6 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
195215 -13  675  R1BEO S57MG R-02
193800 -14 1908  S57MG R4FDK LO23 (x4)
214330 -16 1158  VK2VAR S57MG JN75
193830  -9 1975  S57MG M0ABG +00 (x2)
130915 -13 1076  8Q7PR S57MG JN75 (x2)
131000  -9 1076  S57MG UR3QOX KN77
131045 -12 1076  8Q7PR S57MG JN75 (x3)
190415 -13 1662  RD0L S57MG JN75
10m
UTC    dB Audio  Message
190945 -17 2263  S57MG PC9K -07 (x2)
40m
UTC    dB Audio  Message
202100  +2 2721  S57MG IQ4JO JN63
184545 -15 2170  S57MG Z31CZ RR73
190315 -24 2179  MJ0LEL S57MG JN75 (x4)
210630 -19 1540  S57MG PD2TX -14
200615 -24 1619  LA7DMA S57MG JN75
220345 -13  662  S57MG F1IQH JN27
190715 -23 1453  S57MG UA6YEX -16
192330 -23 1703  S57MG GJ0KYZ RR73
192800 -13 1230  S57MG EW2ZC -24 (x2)
212100  -5  666  S57MG GJ0KYZ -08 (x2)
80m
UTC    dB Audio  Message
200245 -24 1401  R5KH S57MG JN75
200500  +8 1438  S57MG YO4NT -22 (x2)
200715 -24 1439  YO4NT S57MG R+26
201245 -22 1363  TA4RC S57MG JN75 (x2)
201515 -18 1501  <...> S57MG JN75
201730  +2 1256  S57MG IQ2DB -16 (x2)
202300  +1 1705  S57MG IK3/UY7LA R-19
203200 -24 1808  DG7MAQ S57MG JN75
203530 -21 2491  ZS6WAB S57MG JN75 (x2)
203730 -24 2003  SP6U S57MG JN75
200130 -14 2269  RA4ADF S57MG JN75

Decoder S/N history by band

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