OR7K — reception at SO8OO

Observed FT8 message patterns

Attributed sample

8,673 messages

Active dates

40 UTC dates

Estimated median S/N

-5 dB

Estimated 10th-90th percentile

-16 to +3 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 897, moderate (-15 to -9 dB) 1,769, strong (≥ -8 dB) 6,007.

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 OR7K 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 OR7K

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

JO21 · 6,763 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,192 km (approx.)

Last such locator decoded

2026-10-22 09:30 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
092200 -15 2031  PA7PYR OR7K -09 (x2)
092330 -23 2031  CQ OR7K JO21 (x13)

UTC    dB Audio  Message
061030 -22 2001  CQ OR7K JO21 (x15)

UTC    dB Audio  Message
102130 -19 2035  SP2KW OR7K -16
102145 -10 2035  OR7K SP2KW R-10
102330 -22 2035  CQ OR7K JO21 (x6)
103545 -14  834  OR7K IZ2ARJ JN45 (x3)
104115 -13  650  OR7K S55A JN65 (x3)
104415 -15 2034  OR7K SQ2PQ JO94

UTC    dB Audio  Message
071630 -16 2002  DK3RW OR7K -10 (x2)
071730 -24 2002  CQ OR7K JO21 (x3)
072000 -13 2002  PA2MRK OR7K R-09 (x2)
072100  -8 2002  CQ OR7K JO21 (x8)

UTC    dB Audio  Message
161230 -17 2076  CQ OR7K JO21 (x13)
162700 -21 2076  DA6DD OR7K RR73
162930 -22 2076  CQ OR7K JO21

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.