IU6CWS — reception at SO8OO

Observed FT8 message patterns

Attributed sample

293 messages

Active dates

25 UTC dates

Estimated median S/N

-8.6 dB

Estimated 10th-90th percentile

-18 to +3 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 52, moderate (-15 to -9 dB) 95, strong (≥ -8 dB) 146.

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 IU6CWS 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 IU6CWS

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

JN72 · 105 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

977 km (approx.)

Last such locator decoded

2026-11-02 18:12 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
181230  +4 2989  IU6CWS DL6RS JN48
181315 -10 1269  YO4NF IU6CWS 73
181345 -15 2364  DA0M IU6CWS -20 (x2)
181515  -9 1271  SP6FME IU6CWS -01 (x2)
181715  -9 2200  DH2NJS IU6CWS +01 (x9)

UTC    dB Audio  Message
201100  -9 2311  F5MYK IU6CWS R-12 (x2)
201145  -1 2199  IU6CWS SP9UPH JO90
201145  +3 2480  IU6CWS LZ2VQ KN23
201145  -7  601  IU6CWS G3UHU IO80
201145  -2 2308  IU6CWS 9A4ZM JN86
201215  -1 2199  IU6CWS SP9UPH JO90
201215  +0 2480  IU6CWS LZ2VQ R-03
201215  -8  600  IU6CWS G3UHU IO80
201215  -1 2308  IU6CWS 9A4ZM JN86
201230  -4 2480  LZ2VQ IU6CWS RR73
201245  +4 2199  IU6CWS SP9UPH JO90
201245  +0 2480  IU6CWS LZ2VQ 73
201330 -10 2312  EB3JT IU6CWS -06 (x2)

UTC    dB Audio  Message
193545  -4  792  RI1FJL IU6CWS JN72 (x4)
193815  -4  792  DN9ISK IU6CWS +02 (x2)
182615  -1  577  IU6CWS DB4SNK -09 (x2)
182945 -13 2538  IU6CWS DN9BT -19 (x7)

UTC    dB Audio  Message
102115  -7  594  YO1BRANCUSI IU6CWS JN72
102130  -8  594  IU6CWS YO1BRANCUSI +00
102200  -5  594  IU6CWS RR73; OM5BS <...> +00
170115 -13 1038  A93MO IU6CWS JN72
143145  +1 1004  IU6CWS R2AL KO85 (x3)
143400 -10 2658  BH4ECL IU6CWS -17
143630 -17 1005  R2AL IU6CWS +17
185830  +1  677  WV2B IU6CWS JN72
133915  +7  467  TK/DJ0TP IU6CWS R-21
134015 -22 1158  DG8MHB/P IU6CWS R-21

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.