RA4L — reception at SO8OO

Observed FT8 message patterns

Attributed sample

1,648 messages

Active dates

44 UTC dates

Estimated median S/N

-11 dB

Estimated 10th-90th percentile

-20 to -1 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 459, moderate (-15 to -9 dB) 608, strong (≥ -8 dB) 581.

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 RA4L 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 RA4L

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

LO44 · 1,042 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,908 km (approx.)

Last such locator decoded

2026-09-24 18:20 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
160800  -8 1520  CQ RA4L LO44 (x2)
160945  +4  307  RA4L RJ6ON RR73
161300 -11 1519  UB8AHK RA4L LO44 (x3)
161430 -14 1519  DG3EAZ RA4L LO44 (x2)
161615  -5 2536  RA4L F1PBZ -10 (x4)
182030 -23 1989  CQ RA4L LO44                          a1
182130 -22 1989  SP2NBH RA4L RR73
182430 -23 1989  IW8BZE RA4L RR73

UTC    dB Audio  Message
173000  -6 1190  DO7MCL RA4L -15
173030  +7 1190  RA4L DO7MCL JO52
173245 -24 1185  RA4L R6DJR RR73
173745 -15  532  RA4L SV1QEW R-11 (x2)
173845  -2  215  RA4L RA6OY KN88 (x3)
174015  -6 2153  RA4L RU6FS +07
174015  -9  215  RA4L RA6OY KN88 (x2)
174245 -10 2203  RA4L RU6FS RR73
174300  -8 1190  RU6FS RA4L 73
174330 -12 1190  CQ RA4L LO44 (x2)

UTC    dB Audio  Message
184730 -24 1632  R8LCA RA4L RR73
184800 -24 1632  RU4I RA4L R-07
184815 -14 1377  RA4L RN1CW R-23 (x2)
184900 -23 1631  RN1CW RA4L LO44
184915 -11  521  RA4L RU4I R-01
185000 -23 1632  RN1CW RA4L 73
185015  -1  583  RA4L RU4I RR73
185030 -20 1632  R6OD RA4L -17
185045  -8 1171  RA4L RW3DW KO84 (x4)
185500 -13 2424  RA4L R2EA/P -17
185700 -18 2008  RA4L R3PA -08

UTC    dB Audio  Message
160830  -3  827  RA4L EA3JEZ JN11
160845  +5 1272  EA3JEZ RA4L -18 (x2)
161015  +0 1272  EX7DY RA4L LO44 (x3)
161145  -3 1272  ON5ND RA4L LO44 (x2)
161330  -9  715  RA4L M9KER -09
161345  -1 1271  M9KER RA4L R-21
161400  +4  715  RA4L M9KER RR73
161415  -2 1271  M9KER RA4L 73
161515  +0 1272  UB0SMX/P RA4L LO44
161530 -12  471  RA4L UB0SMX/P +03
161545  -1 1271  UB0SMX/P RA4L R-15

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.