RY3ACJ — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO74

Receiver-side FT8 activity involving RY3ACJ, decoded by SO8OO in southeastern Poland. 226 related FT8 messages, 22 CQ messages, observed on 160m, 80m, 40m, across 4 UTC dates. Heard between 2026-06-27 and 2026-07-25.

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.

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

Overview

226
Related messages
22
CQ messages
4
UTC dates heard
-9 dB
Mean decoder S/N

Bands

First seen: 2026-06-27
Last seen: 2026-07-25 19:04 UTC

Activity Heatmap

Locator transmitted by RY3ACJ

Approximate centre of KO74, decoded 2026-07-25 21:01 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 UTCBandRY3ACJ S/NCounterpartCounterpart S/NMsgsCapture
07-25 21:02 40m - / -13 R3EDX -6 / - 3 ✓ Closing fragment
07-25 21:02 40m - / -7 R6LFO -20 / - 3 ✓ Closing fragment
07-25 21:01 40m -20 / -8 UI6O -14 / - 4 Partial capture
07-25 20:59 40m - / - S59A +10 / - 2 ✓ Closing fragment
07-25 20:56 40m - / -9 EW8AAC -19 / - 3 Partial capture
07-25 20:41 40m - / - RA1QY -18 / - 4 Partial capture
07-25 20:39 40m - / - I1RJP -1 / - 3 ✓ Closing fragment
07-25 20:38 40m - / -16 SP7TF -16 / - 2 ✓ Closing fragment
07-25 19:35 40m - / -11 R1BDX -21 / - 2 Partial capture
07-25 19:35 40m - / -1 RA4CBN -18 / - 2 ✓ Closing fragment
07-25 19:32 40m - / -12 RC3D -7 / - 3 ✓ Closing fragment
07-23 17:01 40m - / - R6LFO -18 / - 4 Partial capture
07-23 17:01 40m - / -14 UA3GJM -16 / - 8 Partial capture
07-23 16:55 40m - / -17 RA6YDX -10 / - 3 ✓ Closing fragment
07-23 16:44 40m - / -20 R7DX -15 / - 3 ✓ Closing fragment
07-23 16:43 40m - / 0 RA3RGQ -12 / - 7 Partial capture
07-23 16:43 40m - / -15 RO7A -12 / - 4 Partial capture
07-23 16:41 40m - / -13 R6DOB -11 / - 3 ✓ Closing fragment
07-23 16:36 40m - / -15 RW6ATD -6 / - 2 ✓ Closing fragment
07-23 16:34 40m - / - RU5X -12 / - 2 ✓ Closing fragment
07-23 16:30 40m - / -13 RY9C -18 / - 2 ✓ Closing fragment
07-23 16:26 40m - / -6 RK4FD -10 / - 6 ✓ Closing fragment
07-18 19:53 40m -8 / - M7GYP - / -12 2 ✓ Closing fragment
07-18 19:50 40m - / -13 DL3MIB -6 / - 6 ✓ Closing fragment
07-18 19:49 40m -7 / -6 G4DBW -15 / - 3 ✓ Closing observed
07-18 19:49 40m -8 / -1 UB6OFG -4 / - 2 Partial capture
07-18 19:47 40m -8 / - RQ2Q -7 / -2 3 ✓ Closing observed
07-18 19:44 40m -10 / - PA7D - / -9 2 Partial capture
07-18 19:42 40m -10 / -2 R3PE -18 / -2 4 ✓ Full exchange observed
07-18 19:39 40m -8 / - 2D0OMN - / - 4 Partial capture
07-18 19:36 40m -8 / - OO0O - / -16 3 ✓ Closing fragment
07-18 19:36 40m -8 / - F6BHK - / -15 2 ✓ Closing fragment
07-18 19:34 40m -8 / - LY2HM - / - 2 Partial capture
07-18 19:32 40m -8 / - UA3GJM -16 / -4 3 ✓ Closing observed
07-18 19:29 40m -7 / +7 E70SZ 0 / -13 5 ✓ Full exchange observed
07-18 19:28 40m -8 / +6 LZ3CB -6 / -9 5 Partial capture
07-18 19:23 40m - / +3 DL6UM -4 / - 3 Partial capture
07-18 19:21 40m - / - SV1ENG -14 / - 3 Partial capture
07-18 19:18 40m -8 / -2 EW1P -13 / - 2 ✓ Closing observed
07-18 19:11 40m -7 / -5 OE5PEN -9 / -10 3 Partial capture
07-18 19:08 40m -8 / - UB4CLH - / -5 2 ✓ Closing fragment
07-18 19:06 40m -8 / - ON8BZ -18 / - 2 ✓ Closing observed
07-18 19:02 40m - / -15 IQ4JO -4 / - 2 ✓ Closing fragment
07-18 18:59 40m - / - RA3TNV -4 / - 2 Partial capture
07-18 18:53 40m - / - UA4FKT -3 / - 3 ✓ Closing fragment
07-18 18:46 40m - / - RA3TVW -12 / - 5 ✓ Closing fragment
07-18 18:37 40m - / -3 R2SN -4 / - 4 ✓ Closing fragment
07-18 18:34 40m -9 / -13 9A4ZM -7 / - 2 ✓ Closing observed
07-18 18:30 40m -9 / -8 IQ4JO -6 / - 4 ✓ Closing observed
07-18 18:28 40m -9 / -18 S52D +5 / - 4 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
205630 -21 1723  RY3ACJ EW8AAC -09 (x3)
205930  +7 2400  RY3ACJ S59A JN76 (x2)
210115 -20 2170  UI6O RY3ACJ KO74 (x2)
210200 -21 1621  RY3ACJ R6LFO LN06 (x2)
210230 -16 1237  RY3ACJ UI6O -08
210230  -7  832  RY3ACJ R3EDX -13 (x2)
210300 -20 1621  RY3ACJ R6LFO 73
210330  -5  832  RY3ACJ R3EDX RR73
210400 -13 1238  RY3ACJ UI6O -08
80m
UTC    dB Audio  Message
180430  -8 2228  RY3ACJ RN3QTS KO90
160m
UTC    dB Audio  Message
201800  +0 2264  RY3ACJ YL3CW KO36
201815 -15 1025  R4RN RY3ACJ R-11
201900  +2 2264  RY3ACJ YL3CW R-07
201915 -14 1025  YL3CW RY3ACJ -07
201930  +5 2264  RY3ACJ YL3CW R-06
201945 -15 1025  YL3CW RY3ACJ RR73
202000  +0 2264  RY3ACJ YL3CW RR73
202200 -10 1026  RY3ACJ RZ5D -21 (x8)

Decoder S/N history by band

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