R4NBU — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO48

Receiver-side FT8 activity involving R4NBU, decoded by SO8OO in southeastern Poland. 46 related FT8 messages, 3 CQ messages, observed on 80m, 40m, 20m, across 11 UTC dates. Heard between 2026-06-10 and 2026-08-20.

These are automated observations at the SO8OO receiver, not the station's official logbook. Times are UTC. Decoder S/N describes messages received at SO8OO; inferred entity and location data may be inaccurate for portable, remote or special-event operation.

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Overview

46
Related messages
3
CQ messages
11
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-06-10
Last seen: 2026-08-20 16:59 UTC

Activity Heatmap

Locator transmitted by R4NBU

Approximate centre of LO48, decoded 2026-07-12 14:00 UTC. A transmitted locator is not proof of the operator's permanent location.

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 UTCBandR4NBU S/NCounterpartCounterpart S/NMsgsCapture
08-20 18:58 40m - / -14 EW8CW 0 / - 3 ✓ Closing fragment
08-20 18:56 40m -5 / -2 RA3YDA -2 / -2 5 ✓ Full exchange observed
08-09 16:55 40m - / - R6BH -16 / - 4 Partial capture
07-29 16:56 40m - / -7 R3LCG -11 / - 2 ✓ Closing fragment
07-12 14:00 20m -7 / - RK0SK - / -10 3 ✓ Closing fragment
07-03 18:07 20m - / -4 UN0GY -6 / - 2 ✓ Closing fragment
07-03 18:05 20m - / -5 A61CK -12 / - 2 ✓ Closing fragment
06-19 15:54 40m - / - RM5F -8 / - 2 ✓ Closing fragment
06-19 15:53 40m - / -4 UI5A -12 / - 3 ✓ Closing fragment
06-13 16:32 40m - / 0 UA3DPM -8 / - 2 ✓ Closing fragment
06-13 15:21 20m -7 / - BD8SN - / -16 2 ✓ Closing fragment
06-13 15:17 20m - / -8 JY5IB 0 / - 2 ✓ Closing fragment
06-10 12:04 20m - / -13 RI0SP -1 / - 2 ✓ Closing fragment
06-10 12:03 20m - / -8 LZ1AAW +12 / - 2 ✓ Closing fragment
06-10 12:01 20m -13 / -17 UE7DR +6 / - 3 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
173245  -8 2321  R4NBU R7KM -11
165615 -11 2327  R4NBU R3LCG -07 (x2)
165530 -12 1803  R4NBU R6BH KN84 (x4)
185645  -1 2927  R4NBU RA3YDA KO62 (x2)
185730  -5 2927  RA3YDA R4NBU -02
185745  -1 2927  R4NBU RA3YDA R-02 (x2)
185815  +3 2080  R4NBU EW8CW KO52 (x3)
80m
UTC    dB Audio  Message
165800 -10 1828  R4NBU R6BH KN84
20m
UTC    dB Audio  Message
152130  -8  857  BD8SN R4NBU 73
152230 -10 1078  RA9SFY R4NBU RR73
152400 -10  869  CQ R4NBU LO48                         a1 (x2)
135315 -15 1482  R4NBU R2BCZ/P -03
135600 -12 1092  R4NBU R6DZR -10
135945  -3 2824  GU0SUP R4NBU LO48
180545 -12  871  R4NBU A61CK -05 (x2)
180730  -4 2618  R4NBU UN0GY -04 (x2)
134930  -8 1341  R4NBU UA4CQS -17
140030  -7 2784  RK0SK R4NBU LO48 (x3)

Decoder S/N history by band

Daily averages across messages associated with this profile as decoded at SO8OO.