JA2FJP — reception at SO8OO

Observed FT8 message patterns

Attributed sample

8 messages

Active dates

2 UTC dates

Estimated median S/N

-21 dB

S/N percentile sample

Too small

Recurring-pattern threshold

Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 8, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 0.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with JA2FJP in decoded directed-looking exchanges:

Most frequent locator attributed to JA2FJP

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

PM84 · 3 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

8,675 km (approx.)

Last such locator decoded

2026-10-24 21:12 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
214530  -6 1483  JA2FJP DK4TM JO40 (x3)
215115  -8 1906  JA2FJP DK7ZT -18 (x3)
110400  -9  968  JA2FJP R2AL KO85 (x4)
211100 -17  871  LX1DA JA2FJP R-19
211900 -16  871  YL2KF JA2FJP PM84
212045  -4 1501  JA2FJP F6ECB IN94 (x2)
103430  +5 2593  JA2FJP SN9Q JO90

UTC    dB Audio  Message
204900  +9  965  JA2FJP R2AL KO85 (x4)
205300  -1 1967  JA2FJP YO2BTW -15 (x2)
210915 -21 1985  OD5ZZ JA2FJP PM84 (x2)
211330 -17  677  JA2FJP OD5ZZ -14
211415 -21 1915  OD5ZZ JA2FJP R-12 (x4)
211600  +3 1920  JA2FJP SN4K KO03 (x2)

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.