RK3YWS — reception at SO8OO

Signals decoded by SO8OO in southeastern Poland. FT8 and CW have separate histories; all times are UTC.

FT8 activity

DXCC entity inferred from callsign: European Russia Most frequent locator attributed to this token: KO52

Receiver-side FT8 activity involving RK3YWS, decoded by SO8OO in southeastern Poland. 328 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, across 8 UTC dates in the available aggregate history. Observed between 2026-06-20 and 2026-10-22.

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 328 FT8 messages attributed to RK3YWS as the transmitting token by decoded message structure across 8 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (39%), followed by 160 m (28%) and 80 m (26%). Most decodes (71%) fell within the six-hour window 17:00-23:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (68%); the estimated median was -1 dB.

Overview

328
Messages attributed
8
UTC dates decoded
46
Active 15-min windows
-1 dB
Estimated median S/N

Bands

160m · 92 80m · 86 40m · 23 20m · 127
First attributed message: 2026-06-20
Last attributed message: 2026-10-22 09:14 UTC

Observed FT8 message patterns

Attributed sample
328 messages
Active dates
8 UTC dates
Estimated median S/N
-1 dB
Estimated 10th-90th percentile
-15 to +8 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 25, moderate (-15 to -9 dB) 81, strong (≥ -8 dB) 222.

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.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with RK3YWS in decoded directed-looking exchanges:

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.

Most frequent locator attributed to RK3YWS

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
KO52 · 168 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
701 km (approx.)
Last such locator decoded
2026-10-22 09:14 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 UTCBandRK3YWS S/NCounterpartCounterpart S/NMsgsCapture
10-22 09:10 40m -16 / - RN6LG - / -13 2 ✓ Closing fragment
10-22 09:08 40m -15 / -6 OK2CNI -5 / -14 6 ✓ Full exchange observed
10-22 09:07 40m -17 / - SP1MGM - / -12 4 ✓ Closing fragment
10-22 08:26 40m - / - F1IQH -21 / - 3 Partial capture
10-22 08:26 40m - / -5 EU1KI -9 / - 3 Partial capture
10-22 08:24 40m -19 / - R3SE - / -11 2 Partial capture
10-22 08:21 40m - / +7 OE8PIT +4 / - 6 Partial capture
07-31 12:55 20m - / - PE1NPS -20 / - 2 Partial capture
07-26 08:28 20m -4 / - EA8UP - / - 2 Partial capture
07-26 08:07 20m - / - PD2WL -19 / - 2 Partial capture
07-26 08:06 20m - / - PA2AMJ -16 / - 3 Partial capture
07-26 07:59 20m - / - LZ3CB +8 / - 3 ✓ Closing fragment
07-26 07:59 20m -17 / +4 RA6OY +1 / -7 10 Partial capture
07-26 07:58 20m -14 / - PE3BB/P - / -8 2 ✓ Closing fragment
07-26 04:22 20m - / -1 RA6OY +4 / - 11 Partial capture
07-25 22:15 160m -10 / -18 OK1DXR -2 / -19 7 ✓ Full exchange observed
07-25 22:13 160m -10 / -12 9A4ZM -8 / -15 5 ✓ Full exchange observed
07-25 22:12 160m -8 / - CO8LY - / - 2 Partial capture
07-25 21:51 80m +6 / 0 RZ3DW +8 / -1 5 ✓ Full exchange observed
07-25 21:45 80m +8 / - IU4QQE +1 / -11 3 ✓ Closing observed
07-25 21:45 80m - / - S56FPW +4 / - 2 Partial capture
07-25 21:45 80m +10 / +4 SP6TID -3 / -18 8 ✓ Full exchange observed
07-25 21:42 80m +6 / -7 R6ZEJ +1 / -2 4 ✓ Full exchange observed
07-25 21:38 80m - / - DK4CH -4 / - 3 Partial capture
07-25 21:37 80m +10 / -2 OE6TNO +8 / -8 6 ✓ Full exchange observed
07-25 21:34 80m +1 / - DL9KM 0 / - 3 ✓ Closing observed
07-25 21:33 80m +4 / -2 RG5A +17 / -2 5 ✓ Full exchange observed
07-25 21:29 80m +6 / -5 IW3HXR 0 / -16 6 ✓ Full exchange observed
07-25 21:29 80m - / - EB1LA -10 / - 4 Partial capture
07-25 21:28 80m +5 / -15 IW2OHP -1 / -15 5 ✓ Full exchange observed
07-25 21:26 80m +2 / - UA6J - / -13 2 ✓ Closing fragment
07-25 21:25 80m -8 / - RU3DNN 0 / - 2 ✓ Closing observed
07-25 21:23 80m +3 / - YE9BJM - / - 3 Partial capture
07-25 21:19 80m - / - IW2OHP -8 / - 4 Partial capture
07-25 21:19 80m +7 / - G0BLB -13 / -15 6 Partial capture
07-25 21:19 80m +9 / +4 R5AV +8 / +5 3 ✓ Full exchange observed
07-25 21:17 80m +9 / -10 UB6OCP +4 / +1 5 ✓ Full exchange observed
07-25 21:15 80m +10 / -5 I1RJP +11 / -7 6 ✓ Full exchange observed
07-25 21:15 80m +6 / -3 IQ4JO +14 / -4 4 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
082715  -5 2066  RK3YWS EU1KI -05
082745 -20 1674  RK3YWS F1IQH JN27
090715 -17 1671  SP1MGM RK3YWS -12 (x3)
090830  -3 2554  RK3YWS OK2CNI JN79
090845 -14 1671  SP1MGM RK3YWS RR73
090900  -5 2554  RK3YWS OK2CNI JN79
090915 -14 1671  OK2CNI RK3YWS -14
090930  -6 2554  RK3YWS OK2CNI R-06
090945 -16 1671  OK2CNI RK3YWS RR73
091000  -5 2554  RK3YWS OK2CNI 73
091045 -19 1672  RN6LG RK3YWS R-13 (x2)
091445 -19 1673  CQ RK3YWS KO52
80m 
UTC    dB Audio  Message
214930 +14  920  CQ RK3YWS KO52 (x4)
215115 +10  921  RK3YWS RZ3DW KO84
215130  +7  920  RZ3DW RK3YWS -01
215145  +7  920  RK3YWS RZ3DW R+00
215200  +5  920  RZ3DW RK3YWS RR73
215215  +7  921  RK3YWS RZ3DW 73
215230  +8  920  CQ RK3YWS KO52 (x2)
215315 +11 2578  RK3YWS IQ4JO JN63
215330  +5  920  CQ RK3YWS KO52 (x2)
210700  +1 1720  RK3YWS QSY 15
20m 
UTC    dB Audio  Message
080345  +2  326  RK3YWS RA6OY R+04
080630  -3 1029  CQ RK3YWS KO52
080645 -15 1029  RK3YWS PA2AMJ JO33 (x2)
080745 -20 1327  RK3YWS PD2WL JO22
080745 -19 1028  RK3YWS PA2AMJ JO33
080915 -18 1328  RK3YWS PD2WL JO22
082800 -12 1030  EA8UP RK3YWS KO52 (x2)
082900  -2 1030  CQ RK3YWS KO52 (x2)
083145 -13 1031  RK3YWS PA2AMJ R-12
125545 -19 2224  RK3YWS PE1NPS JO22 (x2)
130545 -18 2334  RK3YWS PA2AMJ 73
160m 
UTC    dB Audio  Message
221515  -3 1284  RK3YWS OK1DXR JO60
221530 -12  908  OK1DXR RK3YWS -19
221545  -2 1284  RK3YWS OK1DXR JO60
221600  -8  909  OK1DXR RK3YWS -18
221615  +0 1284  RK3YWS OK1DXR R-18
221630 -10  909  OK1DXR RK3YWS RR73
221645  -3 1284  RK3YWS OK1DXR 73
221700 -11  909  CQ RK3YWS KO52 (x8)

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.

CW

No CW receptions recorded for this callsign in the last 30 days.

Explore CW reception at SO8OO

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