K5MJP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: FN54

Receiver-side FT8 activity involving K5MJP, decoded by SO8OO in southeastern Poland. 54 FT8 messages attributed to this token as transmitter, on 20m, across 4 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-07-27.

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 54 FT8 messages attributed to K5MJP 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 (69%) fell within the six-hour window 23:00-05:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -12 dB.

Overview

54
Messages attributed
4
UTC dates decoded
8
Active 15-min windows
-12 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-07-27 04:49 UTC

Observed FT8 message patterns

Attributed sample
54 messages
Active dates
4 UTC dates
Estimated median S/N
-12 dB
Estimated 10th-90th percentile
-17 to -4 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 28, strong (≥ -8 dB) 17.

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.

Most frequent locator attributed to K5MJP

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
FN54 · 5 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
6,448 km (approx.)
Last such locator decoded
2026-07-27 04:25 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 UTCBandK5MJP S/NCounterpartCounterpart S/NMsgsCapture
07-27 04:47 20m -17 / - OH8LXT - / - 4 Partial capture
07-27 04:42 20m -16 / -23 RD3FY -18 / -8 4 ✓ Full exchange observed
07-27 04:41 20m -14 / -10 RU4LM -7 / 0 5 ✓ Full exchange observed
07-27 04:40 20m -12 / - OH2ZZ -23 / +9 3 ✓ Closing observed
07-27 04:36 20m -10 / -3 DL3MIB -7 / -1 7 ✓ Full exchange observed
07-27 04:35 20m - / - F4IIX -12 / - 4 Partial capture
07-27 04:33 20m -14 / - DL3OCF - / +1 2 ✓ Closing fragment
07-27 04:33 20m -12 / - RA4HG -5 / -15 6 Partial capture
07-27 04:33 20m - / - IT9IJF -14 / - 4 Partial capture
07-27 04:32 20m -12 / - G1CEC - / -7 2 ✓ Closing fragment
07-27 04:31 20m -13 / - RN3YN - / -18 3 ✓ Closing fragment
07-27 04:29 20m -13 / -13 UN7PNF -15 / -14 2 Partial capture
07-27 04:25 20m -12 / - <...> - / -25 2 Partial capture
07-27 04:24 20m - / - EA3HMM -4 / - 2 Partial capture
07-27 04:24 20m -14 / - 4L7T - / -14 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
044215 -14 1897  RU4LM K5MJP RR73
044230  -8 1780  K5MJP RU4LM 73
044245 -16 1897  RD3FY K5MJP -08
044300 -20 2280  K5MJP RD3FY R-23
044315 -15 1897  TA2EE K5MJP -25
044330 -17 2280  K5MJP RD3FY R-23
044345 -15 1898  RD3FY K5MJP RR73
044445 -14 1897  IT9LCC K5MJP -14
044545 -17 1897  9A4ZM K5MJP RR73
044700 -14 1898  K5MJP LY2EW KO25
044715 -17 1897  OH8LXT K5MJP +20 (x2)
044815 -17 1897  TA2EE K5MJP RR73
044845 -17 1897  OH8LXT K5MJP +20 (x2)

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