R3ZBH — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

144 messages

Active dates

7 UTC dates

Estimated median S/N

-2 dB

Estimated 10th-90th percentile

-13 to +5 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 7, moderate (-15 to -9 dB) 25, strong (≥ -8 dB) 112.

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 R3ZBH 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 R3ZBH

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

KO81 · 54 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,083 km (approx.)

Last such locator decoded

2026-09-12 19:45 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
191830  +2 1234  RA0AB R3ZBH R-18 (x6)
192230 -11 1234  DL1CC R3ZBH +08
192400  -4 2524  R1QF R3ZBH KO81
194045  +4  657  M8UKQ R3ZBH KO81 (x3)
194445  +8  657  CQ R3ZBH KO81 (x2)
194600  -4  657  R3ZBH RA9SBN RR73
194615 +12  657  RA9SBN R3ZBH 73

UTC    dB Audio  Message
184015  +4 2179  R3ZBH RU3DNN 73
184100  +3 2344  UB4CLH R3ZBH R-13 (x3)
184315  +3 2796  R5BM/M R3ZBH KO81 (x2)
185000  +2 2086  UB3ADO/P R3ZBH KO81 (x3)
185145 -12  596  R3ZBH EA1IOK IN62 (x2)
190630 -17 1477  R3ZBH R3XBB -09 (x2)
190745  -5 2676  R3XBB R3ZBH 73
190815 -12 2676  R7KKO R3ZBH R-12

UTC    dB Audio  Message
054900  +2  528  R3ZBH EA1IOK IN62
054930  -3  517  R3ZBH YO4NF -03
055715  -9 2751  R3ZBH E75AA -12 (x2)
060100 -10 2696  RZ9AO R3ZBH KO81
060215 -23 1395  R3ZBH R3PJ R+02
060245  +9 2695  R3ZBH YO4NF -01 (x2)
113800 -13 2150  R3ZBH DL1R JN58 (x5)
074100 -12  513  R3ZBH RA5AK -05

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.