SP3EFD — reception at SO8OO

Observed FT8 message patterns

Attributed sample

31 messages

Active dates

6 UTC dates

Estimated median S/N

-14 dB

Estimated 10th-90th percentile

-17 to -1 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 14, strong (≥ -8 dB) 9.

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 SP3EFD in decoded directed-looking exchanges:

Most frequent locator attributed to SP3EFD

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

JO82 · 22 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

439 km (approx.)

Last such locator decoded

2026-08-30 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
001400  -3 1947  VA3TIC SP3EFD JO82 (x4)

UTC    dB Audio  Message
235830 -13 1496  ES5MG SP3EFD JO82
235845 -16 2099  SP3EFD ES5MG -05
235900 -14 1496  ES5MG SP3EFD R-04
235915 -14 2099  SP3EFD ES5MG RR73
235930 -17 1496  ES5MG SP3EFD 73
000130 -16 1573  CQ SP3EFD JO82 (x2)
000245  -2 1850  SP3EFD DK2CC JO63 (x4)
000530 -14 1573  G8OO SP3EFD JO82 (x3)
000730 -17 1574  SP1TP SP3EFD JO82

UTC    dB Audio  Message
114800 -14 1779  SP3EFD CN2DX RR73
152845 -13 1986  EX7CQ SP3EFD JO82 (x5)

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.