DM7ZZ — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

36 messages

Active dates

6 UTC dates

Estimated median S/N

-11 dB

Estimated 10th-90th percentile

-15 to -5 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 2, moderate (-15 to -9 dB) 26, strong (≥ -8 dB) 8.

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 DM7ZZ 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 DM7ZZ

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

JO50 · 34 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

770 km (approx.)

Last such locator decoded

2026-09-12 18:16 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
174630  +1  238  DM7ZZ SP7TF -17
174630 -19 1593  DM7ZZ G0SKW IO92
174700  -2  238  DM7ZZ SP7TF -17 (x2)
154000  -8  338  DM7ZZ DL3IAK JN49
154030  +9  839  DM7ZZ PD0IFI JO32
154030 -11  338  DM7ZZ DL3IAK JN49
154100  +3 2315  DM7ZZ PD0IFI JO32
154100  -5  338  DM7ZZ DL3IAK JN49 (x7)

UTC    dB Audio  Message
155630  +0 2302  DM7ZZ DO9BAU JO62 (x8)
193045 -10 1769  CQ DM7ZZ JO50
193100 -11  239  DM7ZZ G0JEI -13
193100  +4  555  DM7ZZ F5RRS JN36
193130 -17  239  DM7ZZ G0JEI -17
193130  +1  555  DM7ZZ F5RRS JN36 (x3)

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.