SV0XAD — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

407 messages

Active dates

38 UTC dates

Estimated median S/N

-9 dB

Estimated 10th-90th percentile

-17 to +6 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 55, moderate (-15 to -9 dB) 164, strong (≥ -8 dB) 188.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with SV0XAD 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 SV0XAD

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

KM18 · 350 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,275 km (approx.)

Last such locator decoded

2026-09-20 00:15 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
235030 -10 2375  K0EOO SV0XAD R+03
235045 -10  402  SV0XAD K0EOO RR73
235100 -12 2375  K0EOO SV0XAD 73
235230 -14 2375  K6AFW SV0XAD KM18 (x3)
235600 -11 2375  VP8A SV0XAD KM18 (x8)
001530 -13 1594  LU6ETB SV0XAD KM18

UTC    dB Audio  Message
193945  +0 1152  RI1FJL SV0XAD KM18 (x5)
194315  -7 1152  CQ SV0XAD KM18
194700 -12 1153  SV0XAD PD3LKN JO22 (x2)
201100  +3 1047  <...> SV0XAD KM18
182430  +2  717  FM1II SV0XAD KM18 (x5)
191915 +11  425  SV0XAD <...> -14

UTC    dB Audio  Message
121415 -10  888  OP0WWA SV0XAD KM18 (x4)
130200 -15 1205  TM8WWA SV0XAD KM18 (x5)
172045 -18 1241  <...> SV0XAD KM18

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.