OE7CMI — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Austria Most frequent locator attributed to this token: JN57

Receiver-side FT8 activity involving OE7CMI, decoded by SO8OO in southeastern Poland. 298 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-07-04 and 2026-08-29.

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 298 FT8 messages attributed to OE7CMI as the transmitting token by decoded message structure across 4 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (100%). Most decodes (99%) fell within the six-hour window 10:00-16:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -15 dB.

Overview

298
Messages attributed
4
UTC dates decoded
21
Active 15-min windows
-15 dB
Estimated median S/N

Bands

First attributed message: 2026-07-04
Last attributed message: 2026-08-29 16:14 UTC

Observed FT8 message patterns

Attributed sample
298 messages
Active dates
4 UTC dates
Estimated median S/N
-15 dB
Estimated 10th-90th percentile
-21 to -10 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 143, moderate (-15 to -9 dB) 137, strong (≥ -8 dB) 18.

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.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to OE7CMI

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator
JN57 · 240 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
836 km (approx.)
Last such locator decoded
2026-08-29 16:14 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

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 UTCBandOE7CMI S/NCounterpartCounterpart S/NMsgsCapture
08-29 16:14 20m -10 / - BG7BVI - / - 2 Partial capture
08-29 15:54 20m - / -21 M7OKF -5 / - 2 Partial capture
08-29 13:39 20m - / -14 G7SQW +2 / - 2 ✓ Closing fragment
08-16 12:56 20m -12 / - JF3BHV - / - 6 Partial capture
08-16 12:54 20m -10 / - TM2LW - / - 3 Partial capture
08-16 12:53 20m -12 / - Z61DX - / - 3 Partial capture
07-05 14:32 20m -16 / - KJ7WNK - / - 4 Partial capture
07-05 14:30 20m -14 / - 8A1WWA - / - 3 Partial capture
07-05 14:28 20m -15 / - M9VVE - / - 4 Partial capture
07-05 14:26 20m -16 / - G0WUU - / - 3 Partial capture
07-05 14:25 20m -20 / - SP5RFL - / -16 2 ✓ Closing fragment
07-05 14:22 20m -18 / - YO8RJU - / -4 5 Partial capture
07-05 14:20 20m -16 / - MW9LQA - / -21 3 ✓ Closing fragment
07-05 14:18 20m -12 / - F4FQT - / - 4 ✓ Closing fragment
07-05 14:15 20m -19 / - F4JRK - / +5 5 ✓ Closing fragment
07-05 14:13 20m -16 / - G7MJA - / - 4 Partial capture
07-05 14:11 20m -20 / - 8A1WWA - / - 3 Partial capture
07-05 14:09 20m -16 / - M9VVE - / - 3 Partial capture
07-05 14:07 20m -18 / - SP5RFL - / - 4 Partial capture
07-05 13:56 20m -15 / - PD9JPV - / -13 3 Partial capture
07-05 13:53 20m -12 / - YU7XL - / -6 3 ✓ Closing fragment
07-05 13:49 20m -20 / - G7MJA - / - 2 Partial capture
07-05 13:47 20m -19 / - F4HSB - / - 2 Partial capture
07-05 13:42 20m -20 / - F4JRK - / - 2 Partial capture
07-05 13:35 20m -17 / - OH3N - / -18 6 ✓ Closing fragment
07-05 13:34 20m -16 / - TM2WWA - / - 2 Partial capture
07-05 13:32 20m -16 / -15 PD9JPV -13 / -24 5 Partial capture
07-05 13:27 20m -15 / - OZ0QF - / - 2 Partial capture
07-05 13:25 20m -12 / - EC7KW - / - 3 Partial capture
07-05 13:23 20m -12 / - F4UEF - / - 4 Partial capture
07-05 13:21 20m -15 / - SQ7KMT - / - 4 Partial capture
07-05 13:19 20m -18 / - BI4JGQ - / - 2 Partial capture
07-05 13:17 20m -13 / - M0CHE - / - 4 Partial capture
07-05 13:14 20m -16 / - LA3TMA - / -18 4 Partial capture
07-05 13:01 20m -19 / - F5OZC - / -12 4 ✓ Closing fragment
07-05 12:59 20m -14 / - EC7KW - / - 3 Partial capture
07-05 12:56 20m -12 / - F4JRK - / - 4 Partial capture
07-05 12:54 20m -14 / - MW7KFZ - / - 3 Partial capture
07-05 12:52 20m -17 / - BA3RA - / - 3 Partial capture
07-05 12:50 20m -19 / - PD4PJH - / - 3 Partial capture
07-05 12:49 20m -18 / - OH2CGU - / - 2 Partial capture
07-05 12:44 20m -19 / - BA3RA - / - 3 Partial capture
07-05 12:42 20m -12 / - IZ0AIO - / - 4 Partial capture
07-05 12:40 20m -8 / - LA1WWA - / - 3 Partial capture
07-05 12:39 20m -12 / - PD4PJH - / - 2 Partial capture
07-05 12:36 20m -17 / - YO2FBA -16 / -7 4 ✓ Closing observed
07-05 12:34 20m -15 / - GB8GAW - / - 2 Partial capture
07-05 12:32 20m -14 / - IZ0AIO - / - 4 Partial capture
07-05 12:30 20m -14 / - 9A5MP - / -22 3 ✓ Closing fragment
07-05 12:28 20m -18 / - LA1WWA - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
125530 -10 1440  TM2LW OE7CMI JN57
125600 -15 1440  JF3BHV OE7CMI JN57 (x6)
133900  +3 2391  OE7CMI G7SQW -14 (x2)
155400  -2  280  OE7CMI M7OKF -21 (x2)
155445 -15  581  4S6ARW OE7CMI JN57
161345 -14  581  <...> OE7CMI JN57
161415  -8  580  BG7BVI OE7CMI JN57 (x2)

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee