R3DII — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

252 messages

Active dates

8 UTC dates

Estimated median S/N

-11 dB

Estimated 10th-90th percentile

-21 to -4 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 72, moderate (-15 to -9 dB) 102, strong (≥ -8 dB) 78.

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 R3DII 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 R3DII

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

KN88 · 139 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,114 km (approx.)

Last such locator decoded

2026-09-30 14:57 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
143730 -16 1390  UA9LKL R3DII RR73
143800 -15 1390  SP5KCR R3DII -10
143945 -17 1391  R3DII SP5KCR R-11
144000 -22 1390  CQ R3DII KN88                         a1
144215 -17 1951  R3DII RK6MC +04 (x2)
144600 -13 1389  CQ R3DII KN88 (x2)
144715 -16 1081  R3DII UA3SCU +14 (x2)
144930 -12 1389  R3DMS R3DII -03
145100 -18 1389  RG4H R3DII -07
145200 -14 1389  RM6OG R3DII +00
145600 -13 1631  CQ R3DII KN88
145715 -14 1631  BG7BVP R3DII KN88

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.