DJ3NU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Fed. Rep. of Germany Most frequent locator attributed to this token: JO31

Receiver-side FT8 activity involving DJ3NU, decoded by SO8OO in southeastern Poland. 13 FT8 messages attributed to this token as transmitter, on 40m, across 1 UTC dates in the available aggregate history. Last observed 2026-09-03.

These are automated observations at the SO8OO receiver, not an official contact log. Times are UTC. Attribution follows decoded FT8 message structure: CQ uses the first token and directed-looking messages use the second. Free text that resembles a directed message can be attributed imperfectly. Summary S/N reflects propagation plus SO8OO receiver, antenna and local-noise conditions. Counts are not adjusted for monitoring outages; transmissions that were not decoded are absent. Inferred entity and location data may be inaccurate for portable, remote or special-event operation.

SO8OO decoded 13 FT8 messages attributed to DJ3NU as the transmitting token by decoded message structure across 1 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (100%). In this small sample, the estimated median decoder S/N was +5 dB; no usual signal pattern is inferred.

Overview

13
Messages attributed
1
UTC dates decoded
2
Active 15-min windows
+5 dB
Estimated median S/N

Bands

First attributed message: 2026-09-03
Last attributed message: 2026-09-03 20:40 UTC

Observed FT8 message patterns

Attributed sample
13 messages
Active dates
1 UTC dates
Estimated median S/N
+5 dB
S/N percentile sample
Too small
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 0, moderate (-15 to -9 dB) 0, strong (≥ -8 dB) 13.

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. The sample does not meet the threshold for a recurring time or signal-pattern claim (20 attributed messages, three UTC dates and five distinct 15-minute windows).

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with DJ3NU in decoded directed-looking exchanges:

Most frequent locator attributed to DJ3NU

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
JO31 · 7 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,054 km (approx.)
Last such locator decoded
2026-09-03 20:37 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.

Time UTCBandDJ3NU S/NCounterpartCounterpart S/NMsgsCapture
09-03 20:40 40m - / - DJ0MAB -4 / - 2 Partial capture
09-03 20:40 40m - / - PE1NPS -2 / - 4 Partial capture
09-03 20:37 40m +4 / - DL7UKT - / +6 3 Partial capture
09-03 20:37 40m +1 / - I2VGW +9 / - 6 ✓ Full exchange observed
09-03 20:05 40m +5 / +10 F5SJC -10 / +8 8 ✓ Full exchange observed
09-03 20:04 40m +2 / - EA4D - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

40m
UTC    dB Audio  Message
203700  +5 1905  I2VGW DJ3NU JO31
203730  +5 2110  DL7UKT DJ3NU JO31 (x2)
203845  +7  402  DJ3NU I2VGW +15
203900  +5 2110  DL7UKT DJ3NU R+06
203915  +8  402  DJ3NU I2VGW +15
203930  -3 2110  I2VGW DJ3NU R+23
203945 +12  402  DJ3NU I2VGW RR73
204000  +0 2110  I2VGW DJ3NU 73
204015  -1 2446  DJ3NU PE1NPS JO22
204015  -4 2111  DJ3NU DJ0MAB JN49
204045  -2 2446  DJ3NU PE1NPS JO22 (x2)
204115  -3 2111  DJ3NU DJ0MAB JN49
204145  -4 2446  DJ3NU PE1NPS JO22

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