R3YK — 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: KO73

Receiver-side FT8 activity involving R3YK, decoded by SO8OO in southeastern Poland. 2,405 FT8 messages attributed to this token as transmitter, on 160m, 80m, 40m, 20m, 10m, across 111 UTC dates in the available aggregate history. Observed between 2026-06-07 and 2026-11-05.

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 2,405 FT8 messages attributed to R3YK as the transmitting token by decoded message structure across 111 UTC dates in the available aggregate history. The largest monitored-band total was 20 m (38%), followed by 40 m (34%) and 80 m (26%). Most decodes (54%) fell within the six-hour window 03:00-09:00 UTC. Most successfully decoded messages attributed to this token fell in SO8OO's strong S/N range (76%); the estimated median was -4 dB.

Overview

2,405
Messages attributed
111
UTC dates decoded
420
Active 15-min windows
-4 dB
Estimated median S/N

Bands

First attributed message: 2026-06-07
Last attributed message: 2026-11-05 16:34 UTC

Observed FT8 message patterns

Attributed sample
2,405 messages
Active dates
111 UTC dates
Estimated median S/N
-4 dB
Estimated 10th-90th percentile
-11 to +8.1 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 78, moderate (-15 to -9 dB) 497, strong (≥ -8 dB) 1,830.

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.

Most frequent locator attributed to R3YK

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
KO73 · 1,592 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
990 km (approx.)
Last such locator decoded
2026-11-05 16:34 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 UTCBandR3YK S/NCounterpartCounterpart S/NMsgsCapture
11-05 16:33 80m +5 / - R3YAU - / - 3 Partial capture
11-05 03:57 80m +5 / - N0BUZ - / - 4 Partial capture
11-04 05:25 40m -6 / -9 UA9XL/P -1 / -18 10 Partial capture
11-04 05:24 40m -4 / - PD40EUDXF - / - 2 Partial capture
11-02 17:32 40m -22 / - PF40EUDXF - / - 4 Partial capture
11-02 17:25 40m -19 / - G7VGY/P - / - 4 Partial capture
11-02 05:30 40m -3 / - FS4WBS - / - 3 Partial capture
11-02 05:06 40m -5 / - YU65AEC - / -23 6 Partial capture
11-02 05:03 40m 0 / -10 II1FAIR +8 / -23 3 Partial capture
11-02 05:00 40m -9 / - YU65AEC - / - 5 Partial capture
11-01 17:20 160m - / - R6ML -13 / - 2 Partial capture
11-01 17:18 160m -3 / -12 RU6CH -19 / - 2 ✓ Closing observed
11-01 17:15 160m -8 / -9 RK6MC -15 / -1 9 ✓ Full exchange observed
11-01 17:14 160m -10 / -16 R1AP -2 / -2 4 ✓ Full exchange observed
11-01 17:13 160m -9 / - R6FFB -13 / -6 3 Partial capture
11-01 17:13 160m -11 / -16 R1CL -4 / -5 4 ✓ Full exchange observed
11-01 17:10 160m -8 / - RZ6CO - / -7 2 Partial capture
11-01 17:10 160m -7 / - UA6HJT -15 / -3 4 ✓ Closing observed
11-01 17:08 160m -5 / - R2GCV -19 / -4 3 ✓ Closing observed
11-01 17:08 160m -1 / -14 R5KH -18 / -7 4 ✓ Full exchange observed
11-01 17:02 160m -8 / -10 RA7T -14 / -8 11 ✓ Full exchange observed
11-01 17:00 160m -13 / - 6W/IK2HKT - / - 4 Partial capture
11-01 16:41 160m - / -18 RU3OZ -16 / - 7 ✓ Closing fragment
11-01 16:39 40m - / +9 PF40EUDXF +3 / - 2 Partial capture
11-01 16:32 40m -13 / -12 DK0GV +2 / - 8 Partial capture
11-01 15:24 40m -7 / - GB1POPPY - / -12 2 Partial capture
11-01 15:19 40m - / -11 GB1POPPY -10 / - 2 Partial capture
10-31 06:24 40m -6 / +10 EW2MS +8 / -2 5 ✓ Full exchange observed
10-30 17:43 80m -1 / - RT7N -11 / -11 2 ✓ Closing observed
10-30 17:42 80m -3 / -5 R1MA +2 / -5 5 ✓ Full exchange observed
10-30 17:39 80m -12 / +1 EO210WLP -11 / - 3 Partial capture
10-30 03:53 40m - / -11 IQ0AK -16 / - 2 ✓ Closing fragment
10-29 08:22 40m - / +10 RA6OY -6 / - 3 ✓ Closing fragment
10-29 04:26 80m +8 / - IQ0AAI +3 / -11 3 ✓ Closing observed
10-29 04:25 80m +8 / -4 IQ0AK -6 / -22 9 ✓ Full exchange observed
10-28 09:07 40m - / +9 EW8GT -11 / - 3 ✓ Closing fragment
10-28 07:58 40m -9 / +7 EW8GT -8 / -2 5 ✓ Full exchange observed
10-28 06:03 40m -13 / 0 R3KLE -20 / - 3 ✓ Closing observed
10-28 06:02 40m -12 / - EW4M +5 / - 2 ✓ Closing observed
10-28 05:50 40m -8 / - EW8LL - / - 4 Partial capture
10-28 05:44 80m -5 / 0 EW4M +16 / -2 11 ✓ Full exchange observed
10-28 05:27 80m - / -20 LX1TI +14 / - 2 ✓ Closing fragment
10-28 04:56 80m -10 / - EW8LL - / 0 2 ✓ Closing fragment
10-26 17:41 80m -2 / -5 R3PLA -14 / -4 4 ✓ Full exchange observed
10-26 17:40 80m -4 / - R4SCQ - / -15 2 ✓ Closing fragment
10-26 17:37 80m 0 / +6 R1FZ -11 / -5 6 ✓ Full exchange observed
10-26 16:38 80m -4 / - RK8W - / -11 2 ✓ Closing fragment
10-26 04:19 80m -6 / -9 UA3YPS -3 / - 6 Partial capture
10-26 04:15 80m +10 / - R3YAX -11 / -13 3 ✓ Closing observed
10-25 04:26 80m +2 / - R1TET -2 / -4 7 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

10m
UTC    dB Audio  Message
144130 -20 2228  R3YK 7Q6UJ RR73
073130 -14 2313  R3YK R2XM -18 (x2)
100030 -20  210  R3YK RW1C KO49
085000  -1  816  R3YK EG1PR -10
80m
UTC    dB Audio  Message
174030 -11 1439  R3YK EO210WLP +01
174200  -2 2754  R1MA R3YK KO73 (x2)
174245  +3 2754  R3YK R1MA -05
174300  +2 2754  R1MA R3YK R-05
174315  +2 2754  R3YK R1MA RR73
174330  -1 2540  RT7N R3YK -11
174415 -11 2540  R3YK RT7N 73
035715  +4  300  N0BUZ R3YK KO73 (x4)
163330  +8  297  R3YAU R3YK KO73 (x3)
40m
UTC    dB Audio  Message
173345 -24 1861  PF40EUDXF R3YK KO73 (x2)
052415  -3  331  3A2LF R3YK KO73
052445  -4  331  PD40EUDXF R3YK KO73 (x2)
052545  -6 2831  UA9XL/P R3YK KO73 (x3)
052700  -1 2830  R3YK UA9XL/P -09
052715  -1 2831  UA9XL/P R3YK R-18 (x6)
160m
UTC    dB Audio  Message
171530 -10  499  R1AP R3YK R-02
171545 -24 1473  R3YK RK6MC KN97
171545  -6 2682  R3YK R1AP RR73
171700  -7  500  RK6MC R3YK -01
171715 -17 1473  R3YK RK6MC R-09
171730  -8  499  RK6MC R3YK RR73
171745 -14 1473  R3YK RK6MC R-09
171800  -7  500  RK6MC R3YK RR73
171815 -19  915  R3YK RU6CH R-12
171830  -3  499  RU6CH R3YK RR73
171915  -7 1757  R3YK RK6MC R-09
171930 -10  500  RK6MC R3YK RR73
171945 -12 1756  R3YK RK6MC RR73
172015 -12  630  R3YK R6ML LN17 (x2)
20m
UTC    dB Audio  Message
172515  +7  546  <...> R3YK KO73 (x7)
172845  +4  545  <HB040A> R3YK KO73 (x3)
173015  -1  377  RZ3Z/P R3YK KO73 (x3)
050845  +3 2495  R3YK RU9UC +03 (x2)

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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