DO3VS — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

285 messages

Active dates

9 UTC dates

Estimated median S/N

-15 dB

Estimated 10th-90th percentile

-22 to -9 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 127, moderate (-15 to -9 dB) 130, strong (≥ -8 dB) 28.

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 DO3VS 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 DO3VS

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

JO31 · 190 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,054 km (approx.)

Last such locator decoded

2026-07-25 12:24 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
170800  -5 1547  DO3VS UR5FS R-16
103945 -23 1616  EA5OL DO3VS +00
134845  -4 1781  DO3VS EA8UP R-18 (x2)
125745 -19 1785  DO3VS F4NBB -15
113630  -5  828  DO3VS IT9VCE R-12 (x2)
103745 -20 1839  UX2SB DO3VS RR73
103930 -21 1840  SN4K DO3VS +00 (x2)
104200 -20 1839  OK2XCG DO3VS RR73
104530 -16 1839  SP6CJE DO3VS -17
104600 -21 1839  IU7VOL DO3VS -02 (x3)

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.