RK3DWA/3 — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia

Receiver-side FT8 activity involving RK3DWA/3, decoded by SO8OO in southeastern Poland. 4,951 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 8 UTC dates in the available aggregate history. Observed between 2026-07-23 and 2026-08-09.

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 4,951 FT8 messages attributed to RK3DWA/3 as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 80 m (47%), followed by 40 m (33%) and 160 m (13%). Most decodes (67%) fell within the six-hour window 21:00-03:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -9 dB.

Overview

4,951
Messages attributed
8
UTC dates decoded
251
Active 15-min windows
-9 dB
Estimated median S/N

Bands

First attributed message: 2026-07-23
Last attributed message: 2026-08-09 03:25 UTC

Observed FT8 message patterns

Attributed sample
4,951 messages
Active dates
8 UTC dates
Estimated median S/N
-9 dB
Estimated 10th-90th percentile
-20 to +6 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 1,290, moderate (-15 to -9 dB) 1,262, strong (≥ -8 dB) 2,399.

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.

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

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 UTCBandRK3DWA/3 S/NCounterpartCounterpart S/NMsgsCapture
08-09 02:24 80m -8 / - <...> - / - 2 Partial capture
08-09 02:03 80m 0 / - R9AV - / -13 2 Partial capture
08-09 01:57 80m -10 / -13 UA3YPS +8 / -10 2 Partial capture
08-09 01:57 80m -11 / - <...> +9 / - 4 ✓ Closing fragment
08-09 01:46 80m -14 / - <...> -9 / - 2 ✓ Closing fragment
08-09 01:38 80m +3 / - OH0ERF - / -11 3 Partial capture
08-09 01:38 80m +4 / - <...> - / - 2 ✓ Closing fragment
08-09 01:17 80m -10 / -3 RA4ABH -1 / -1 6 Partial capture
08-09 01:13 80m - / - DL1SRS -5 / - 2 Partial capture
08-09 01:11 80m -6 / - <...> -1 / - 2 ✓ Closing fragment
08-09 01:04 80m -4 / - <...> - / - 3 ✓ Closing fragment
08-09 01:00 80m -10 / - <...> -1 / - 2 ✓ Closing fragment
08-09 00:08 80m -10 / - UA1ACO -17 / -5 2 Partial capture
08-08 23:48 80m - / +6 DO9JTR -13 / - 3 Partial capture
08-08 23:47 80m -2 / - <...> +5 / - 2 ✓ Closing fragment
08-08 23:44 80m -16 / -5 5Z4AB -14 / -11 2 Partial capture
08-08 23:42 80m -17 / - <...> -11 / - 2 ✓ Closing fragment
08-08 23:25 80m -6 / - <...> -13 / - 2 ✓ Closing fragment
08-08 23:14 80m -8 / - DK6AH - / -12 2 Partial capture
08-08 23:12 80m -14 / - <...> +9 / - 2 ✓ Closing fragment
08-08 22:54 80m -2 / - <...> -15 / - 2 ✓ Closing fragment
08-08 22:49 80m -8 / -6 UA6CE +12 / - 2 Partial capture
08-08 22:34 80m -5 / -4 DL6AZ -7 / -15 3 Partial capture
08-08 22:32 80m 0 / - <...> -21 / - 2 ✓ Closing fragment
08-08 22:29 80m -7 / - <...> -14 / - 2 ✓ Closing fragment
08-08 22:28 80m -2 / - SP7X - / -17 2 Partial capture
08-08 22:17 80m -4 / - <...> -4 / - 4 ✓ Closing fragment
08-08 22:16 80m +5 / +4 G4ZFJ -4 / -1 3 Partial capture
08-08 22:11 80m 0 / - 2E0EWM - / -16 8 Partial capture
08-08 22:01 80m +2 / - <...> -14 / - 2 ✓ Closing fragment
08-08 21:37 80m -1 / - <...> +10 / - 4 ✓ Closing fragment
08-08 21:34 80m - / - UA4FKT +11 / - 2 Partial capture
08-08 21:33 80m - / -16 UA3GX -8 / - 2 Partial capture
08-08 21:07 160m - / - IK0HBN -8 / - 6 Partial capture
08-08 21:04 80m - / - R3PLA -9 / - 2 Partial capture
08-08 21:01 160m - / - IK0HBN 0 / - 8 Partial capture
08-08 20:55 80m +1 / - <...> -11 / - 2 ✓ Closing fragment
08-08 20:52 80m - / - UB3BDJ -16 / - 2 Partial capture
08-08 20:50 80m 0 / - <...> +2 / - 2 ✓ Closing fragment
08-08 20:49 80m - / - R2BHQ -10 / - 2 Partial capture
08-08 20:48 160m - / -16 IK0HBN -3 / - 14 Partial capture
08-08 20:47 160m - / -8 RU3OW -6 / - 2 Partial capture
08-08 20:47 80m -1 / - <...> -6 / - 2 ✓ Closing fragment
08-08 20:41 80m +4 / - <...> -8 / - 2 ✓ Closing fragment
08-08 20:40 80m +1 / +6 R1NO -8 / +6 2 Partial capture
08-08 20:37 160m -17 / - <...> -2 / - 2 ✓ Closing fragment
08-08 20:37 160m - / - IK0HBN -6 / - 7 Partial capture
08-08 20:36 160m - / -19 RW3DW -2 / - 2 Partial capture
08-08 20:34 80m -8 / -3 R5FQ -3 / +6 2 Partial capture
08-08 20:33 80m -2 / - <...> -8 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
031630 -18 2308  CQ RK3DWA/3 (x13)
032430 -15 2308  R6AC RK3DWA/3 -12
032530 -10 2308  <...> RK3DWA/3 RR73
80m
UTC    dB Audio  Message
015930 -15 2313  <...> RK3DWA/3 (x2)
020300  -1 2313  R9AV RK3DWA/3 -13 (x2)
020430  +3 2313  CQ RK3DWA/3 (x9)
022445  -6 2313  <...> RK3DWA/3 (x2)
160m
UTC    dB Audio  Message
005600 -19 1893  CQ RK3DWA/3 (x15)
20m
UTC    dB Audio  Message
182215 -11 1922  CQ RK3DWA/3
182230  -8 1922  RK3DWA/3 RX3AEX KO85
182245 -10 1922  CQ RK3DWA/3
182300  -4 1922  RK3DWA/3 RX3AEX KO85
182315 -17 1922  CQ RK3DWA/3 (x2)
182530 -14 1922  RK3DWA/3 PA8DC JO21 (x8)
192000  +8 2589  RK3DWA/3 <...> 73
10m
UTC    dB Audio  Message
100615 -13 2121  RK3DWA/3 <...> RR73 (x5)

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.

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