TM58TFR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: France

Receiver-side FT8 activity involving TM58TFR, decoded by SO8OO in southeastern Poland. 9 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-07-16.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 9 FT8 messages attributed to TM58TFR as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was -21 dB; no usual signal pattern is inferred.

Overview

9
Messages attributed
1
UTC dates decoded
5
Active 15-min windows
-21 dB
Estimated median S/N

Bands

First attributed message: 2026-07-16
Last attributed message: 2026-07-16 20:38 UTC

Observed FT8 message patterns

Attributed sample
9 messages
Active dates
1 UTC dates
Estimated median S/N
-21 dB
S/N percentile sample
Too small
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

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 UTCBandTM58TFR S/NCounterpartCounterpart S/NMsgsCapture
07-16 20:38 40m -22 / - <...> -7 / - 2 ✓ Closing fragment
07-16 20:14 40m -22 / - <...> - / - 2 ✓ Closing fragment
07-16 20:10 40m - / +4 DL8UVG -6 / - 9 Partial capture
07-16 20:08 40m - / - S57AJ -17 / - 3 Partial capture
07-16 20:07 40m - / -5 PA3EMN -4 / - 3 Partial capture
07-16 19:46 40m - / +5 DK7JL -6 / - 2 Partial capture
07-16 19:43 40m -20 / - <...> -3 / - 3 ✓ Closing fragment
07-10 19:13 40m - / - F4BJR -20 / - 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
201345  -9 1545  TM58TFR DL8UVG R+04 (x3)
201445 -21 1635  <...> TM58TFR RR73 (x3)
202245  -7 1535  TM58TFR SP1TJ JO74
203215 -12  348  TM58TFR <...> 73
203800 -22 1535  <...> TM58TFR RR73
203815  -7 1536  TM58TFR <...> 73 (x5)
212730  -8 1535  TM58TFR YO4NF -14
20m
UTC    dB Audio  Message
121600 -24 1574  TM58TFR <...> 73 (x4)

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