RD3K — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO91

Receiver-side FT8 activity involving RD3K, decoded by SO8OO in southeastern Poland. 20 related FT8 messages, 2 CQ messages, observed on 80m, 40m, 20m, across 2 UTC dates. Heard between 2026-06-28 and 2026-08-18.

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

20
Related messages
2
CQ messages
2
UTC dates heard
+2 dB
Mean decoder S/N

Bands

First seen: 2026-06-28
Last seen: 2026-08-18 18:48 UTC

Activity Heatmap

Locator transmitted by RD3K

Approximate centre of KO91, decoded 2026-08-18 22:34 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 UTCBandRD3K S/NCounterpartCounterpart S/NMsgsCapture
08-18 22:23 40m -3 / - D2ACE - / -4 18 ✓ Closing fragment
08-18 22:17 40m -6 / - <...> - / -7 3 Partial capture
08-18 20:48 80m +12 / -4 OL900CO +3 / +5 2 Partial capture
08-18 18:06 40m +2 / - ZS2PA - / - 3 Partial capture
08-18 17:57 80m +6 / -5 UA3ZQN +9 / +3 6 ✓ Full exchange observed
08-18 17:57 80m +6 / - RC6OZ - / -6 2 ✓ Closing fragment
08-18 17:56 80m - / - OK2BUZ +12 / - 4 Partial capture
08-18 17:56 80m +6 / +2 R2DDN -15 / -2 3 ✓ Full exchange observed
08-18 17:54 80m +6 / - RQ3D - / -4 2 ✓ Closing fragment
08-18 17:52 80m +6 / +10 RN6AK -2 / +2 6 ✓ Full exchange observed
08-14 16:25 80m +1 / - RA0SCA - / - 2 Partial capture
08-14 15:54 80m -2 / - RA9MAI - / -11 3 ✓ Closing fragment
06-28 14:39 20m -5 / - 3W9A - / -10 6 ✓ Closing fragment
06-28 14:27 20m -3 / - J40GAY - / - 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
222515  -3 2546  D2ACE RD3K -04 (x15)
80m
UTC    dB Audio  Message
175615 +10 2402  RD3K OK2BUZ JN99
175630  +5 1276  R2DDN RD3K RR73
175645 +13 2402  RD3K OK2BUZ JN99
175700  +5 1276  RC6OZ RD3K -06
175715 +11 2402  RD3K OK2BUZ JN99
175715  +4  550  RD3K UA3ZQN KO90
175730  +7 1276  RC6OZ RD3K RR73
175745  +9  550  RD3K UA3ZQN KO90
175745 +14 2402  RD3K OK2BUZ JN99
175800  +7 1276  UA3ZQN RD3K +03
175815 +10  550  RD3K UA3ZQN R-05
175830  +6 1276  UA3ZQN RD3K RR73
175845 +14  550  RD3K UA3ZQN 73
204830  +3 1638  RD3K OL900CO -04
204845 +12 1119  OL900CO RD3K R+05
10m
UTC    dB Audio  Message
152200 -14 1231  EW2AAA RD3K KO91
20m
UTC    dB Audio  Message
142745  -7 1299  J40GAY RD3K KO91 (x3)
143945 -15 1310  3W9A RD3K KO91 (x6)
144330 -12 2543  RD3K PD0HLA -19

Decoder S/N history by band

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