R3BIS — reception at SO8OO

Observed FT8 message patterns

Attributed sample

1,009 messages

Active dates

22 UTC dates

Estimated median S/N

-12 dB

Estimated 10th-90th percentile

-20 to -2.4 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 302, moderate (-15 to -9 dB) 437, strong (≥ -8 dB) 270.

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 R3BIS 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 R3BIS

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

KO85 · 505 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,193 km (approx.)

Last such locator decoded

2026-09-15 04:22 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
041700 -16 1427  R3BIS DH3KR JO30
041715 -16 1227  R1YY R3BIS -16
041730 -13 1227  R3BIS R1YY R-01
041730 -19 1812  R3BIS GM6URC -22
041730 -16 1427  R3BIS DH3KR JO30
041745 -14 1227  R1YY R3BIS RR73
041800 -18 1227  R3BIS R1YY 73
041800 -21 1427  R3BIS DH3KR JO30 (x2)
041945  -9 1227  CQ R3BIS KO85                         a1 (x6)

UTC    dB Audio  Message
072830  -3  994  CQ R3BIS KO85
072945 -11 1658  R3BIS UI6O KN87
073000  +2  994  UI6O R3BIS -16
073015 -10 1658  R3BIS UI6O R-13
073045 -18  994  R3BIS F1IQH JN27
073100  -4  994  UI6O R3BIS RR73
073115  -6 2040  R3BIS RZ6L KN97
073130  -1  994  UI6O R3BIS RR73
073200  -2  994  RZ6L R3BIS -08 (x2)
073330  -5  994  CQ R3BIS KO85 (x3)
073830  +4  994  RA3Y R3BIS KO85 (x2)

UTC    dB Audio  Message
190215  +5  254  R3BIS I1RJP JN45 (x8)
191845 +10 1222  R3BIS UA4FKT LO23 (x3)
192115  +1  272  R3BIS I1RJP JN45 (x4)

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.