ON7FD — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

212 messages

Active dates

2 UTC dates

Estimated median S/N

-14 dB

Estimated 10th-90th percentile

-20 to -3 dB

Recurring-pattern threshold

Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 82, moderate (-15 to -9 dB) 77, strong (≥ -8 dB) 53.

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).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with ON7FD in decoded directed-looking exchanges:

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 ON7FD

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

JO11 · 169 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,331 km (approx.)

Last such locator decoded

2026-08-06 20:51 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.

Recent FT8 messages decoded at SO8OO

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

UTC    dB Audio  Message
203545  -5 2854  CQ ON7FD JO11
203630  -8 2854  ON7FD PD0RCQ JO21 (x2)
203700 -19 1200  ON7FD M0WTN IO82
204200  -2  325  ON7FD RA6OY KN88 (x3)
204645  -7 2212  JH0JLP ON7FD -17 (x2)
204815  -8 2212  CQ ON7FD JO11                         a1 (x2)
204930 -20 2212  ON7FD PD0RCQ JO21
204945 -12 2212  CQ ON7FD JO11 (x2)
205130 -18 2212  ON7FD PD0RCQ JO21

UTC    dB Audio  Message
141630  -9 2752  CQ ON7FD JO11
143315 -24 1797  ON7FD DL9KM JN68 (x2)
144630 -17 1547  ON7FD DL3NGN JN59 (x4)
111815 -16 1648  CQ ON7FD JO11
111845  -9 1008  9A2EY ON7FD -03 (x3)
112045 -17 1467  UT3SO ON7FD -03 (x3)
112215 -12 1467  CQ ON7FD JO11

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.