SP3ZBZ — reception at SO8OO

Observed FT8 message patterns

Attributed sample

465 messages

Active dates

18 UTC dates

Estimated median S/N

-4 dB

Estimated 10th-90th percentile

-16 to +6 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 47, moderate (-15 to -9 dB) 114, strong (≥ -8 dB) 304.

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 SP3ZBZ 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 SP3ZBZ

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

JO82 · 277 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

439 km (approx.)

Last such locator decoded

2026-10-11 17:13 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
175000  -3  797  SP3ZBZ F6FHZ JN18 (x3)
175130 +12  798  SP3ZBZ HA7TM JN97
175145 -12  796  CQ SP3ZBZ JO82
175200 +11  798  SP3ZBZ HA7TM JN97 (x2)
175300 -13  797  SP3ZBZ TA3NK KM39 (x6)
171330  -5 1137  DL7PIA SP3ZBZ JO82
171845  -4 1297  SP3ZBZ DL7PIA +01

UTC    dB Audio  Message
230000  -5 1751  SP3ZBZ DL7PIA -08
230015 -12 1808  DL7PIA SP3ZBZ R-04
230030  -3 1751  SP3ZBZ DL7PIA RR73
230045  -9 1808  DL7PIA SP3ZBZ 73
230145 -12 1248  9H6C SP3ZBZ JO82 (x3)
231330 -21 1203  PE1NAO SP3ZBZ JO82
231345  -8 1445  SP3ZBZ PE1NAO -12 (x2)
231730  -9 1203  M3VNI SP3ZBZ JO82
234430 -12  863  SP3ZBZ IU5HIU JN53
234500  +3 2555  SP3ZBZ F1PBZ -14 (x2)
234600  +8 1214  SP3ZBZ S52D 73

UTC    dB Audio  Message
194330 -14 1445  SP3ZBZ DG1VT -19 (x2)

UTC    dB Audio  Message
221030  -3 1030  SP5MXZ SP3ZBZ JO82
221045  +6 1301  SP3ZBZ SP5MXZ -12
221100  -5 1030  SP5MXZ SP3ZBZ R-11
221115  +9 1301  SP3ZBZ SP5MXZ RR73
221130  -8 1030  SP5MXZ SP3ZBZ 73

UTC    dB Audio  Message
161530  +7  253  SP3ZBZ PD3LKN JO22 (x9)
163800  -4  418  SP3ZBZ R7OV R-07
164130  +9 1978  SP3ZBZ F4JZW JN08 (x3)
164630  -8 2555  SP3ZBZ M0NFZ IO90 (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.