W3ML — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: United States Most frequent locator attributed to this token: EN61

Receiver-side FT8 activity involving W3ML, decoded by SO8OO in southeastern Poland. 17 FT8 messages attributed to this token as transmitter, on 160m, 80m, 20m, across 5 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-10-31.

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 17 FT8 messages attributed to W3ML as the transmitting token by decoded message structure across 5 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (76%), followed by 80 m (18%) and 160 m (6%). In this small sample, the estimated median decoder S/N was -21 dB; no usual signal pattern is inferred.

Overview

17
Messages attributed
5
UTC dates decoded
8
Active 15-min windows
-21 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-10-31 01:05 UTC

Observed FT8 message patterns

Attributed sample
17 messages
Active dates
5 UTC dates
Estimated median S/N
-21 dB
S/N percentile sample
Too small
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 16, moderate (-15 to -9 dB) 1, strong (≥ -8 dB) 0.

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 W3ML in decoded directed-looking exchanges:

Most frequent locator attributed to W3ML

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
EN61 · 15 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
7,717 km (approx.)
Last such locator decoded
2026-10-31 01:05 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 UTCBandW3ML S/NCounterpartCounterpart S/NMsgsCapture
11-01 00:27 80m - / - IU0VYT +2 / - 6 Partial capture
11-01 00:26 80m - / - PA3KUS -10 / - 5 Partial capture
11-01 00:23 80m - / -14 DF9OX +16 / - 4 ✓ Closing fragment
11-01 00:22 80m - / -24 UT5EL +7 / - 2 ✓ Closing fragment
10-31 01:01 160m - / - DK2EU +3 / - 21 Partial capture
10-31 00:59 160m - / - F4BPO +11 / - 19 Partial capture
10-29 01:45 80m -24 / - W2S - / - 3 Partial capture
08-22 00:43 20m - / -10 8Z1IT -10 / - 2 ✓ Closing fragment
08-22 00:38 20m - / -10 8Z1IT -10 / - 4 Partial capture
08-16 01:24 80m - / - SV8JE -9 / - 3 Partial capture
08-16 01:24 80m - / - DO5HOK +3 / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m
UTC    dB Audio  Message
002345 +18 2753  W3ML DF9OX -14 (x4)
002645  -6  348  W3ML PA3KUS JO21 (x2)
002715  +4 2133  W3ML IU0VYT JN61
002745 -14  348  W3ML PA3KUS JO21
002745  -1 2133  W3ML IU0VYT JN61
002815 -15  348  W3ML PA3KUS JO21
002815  -3 2133  W3ML IU0VYT JN61
002845  -4  348  W3ML PA3KUS JO21
002845  +6 2133  W3ML IU0VYT JN61 (x3)
160m
UTC    dB Audio  Message
010700  +3 2002  W3ML DK2EU JO31
010730 +14  480  W3ML F4BPO JN36
010730  +6 2002  W3ML DK2EU JO31
010800  +7  480  W3ML F4BPO JN36
010800  +3 2002  W3ML DK2EU JO31
010830 +14  480  W3ML F4BPO JN36
010830  +6 2002  W3ML DK2EU JO31
010900 +14  480  W3ML F4BPO JN36
010900  +1 2002  W3ML DK2EU JO31
010930 +15  480  W3ML F4BPO JN36
010930  +2 2002  W3ML DK2EU JO31 (x5)
20m
UTC    dB Audio  Message
003845  -8 2387  W3ML 8Z1IT -10 (x7)
004845  -4 1972  W3ML YO4NF -12
40m
UTC    dB Audio  Message
013500 -17 1936  W3ML YO4NF -18

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee