UR5ELB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: Ukraine Most frequent locator attributed to this token: KN78

Receiver-side FT8 activity involving UR5ELB, decoded by SO8OO in southeastern Poland. 14 FT8 messages attributed to this token as transmitter, on 80m, 20m, across 2 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-07-10.

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 14 FT8 messages attributed to UR5ELB as the transmitting token by decoded message structure across 2 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (50%), followed by 20 m (50%). In this small sample, the estimated median decoder S/N was -22 dB; no usual signal pattern is inferred.

Overview

14
Messages attributed
2
UTC dates decoded
6
Active 15-min windows
-22 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-07-10 08:33 UTC

Observed FT8 message patterns

Attributed sample
14 messages
Active dates
2 UTC dates
Estimated median S/N
-22 dB
S/N percentile sample
Too small
Recurring-pattern threshold
Not met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 9, moderate (-15 to -9 dB) 4, strong (≥ -8 dB) 1.

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 UR5ELB in decoded directed-looking exchanges:

Most frequent locator attributed to UR5ELB

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
KN78 · 10 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
971 km (approx.)
Last such locator decoded
2026-07-10 08:33 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 UTCBandUR5ELB S/NCounterpartCounterpart S/NMsgsCapture
07-10 09:13 20m - / -9 EA5OL -1 / - 4 Partial capture
07-10 09:02 20m - / -6 F4EBT -20 / - 2 ✓ Closing fragment
07-10 08:32 20m -20 / - W3P - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

20m
UTC    dB Audio  Message
064100  -8  431  DG0OME UR5ELB KN78
065430 -22 2075  V31MA UR5ELB KN78
082330 -22 1645  3A2MW UR5ELB KN78
082645  -9  478  YO9PH UR5ELB 73
082715 -11  478  LZ2VQ UR5ELB -14
083200 -17 1479  W3P UR5ELB KN78 (x2)
090245 -19 2064  UR5ELB F4EBT R-06 (x2)
091315  +3  671  UR5ELB EA5OL -09 (x4)

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