RU3KV — 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: KO91

Receiver-side FT8 activity involving RU3KV, decoded by SO8OO in southeastern Poland. 968 FT8 messages attributed to this token as transmitter, on 80m, 40m, 20m, 10m, across 77 UTC dates in the available aggregate history. Observed between 2026-06-06 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 968 FT8 messages attributed to RU3KV as the transmitting token by decoded message structure across 77 UTC dates in the available aggregate history. The largest monitored-band total was 40 m (64%), followed by 20 m (26%) and 80 m (10%). Most decodes (60%) fell within the six-hour window 15:00-21:00 UTC. Received S/N was mixed across SO8OO's weak, moderate and strong ranges; the estimated median was -10.7 dB.

Overview

968
Messages attributed
77
UTC dates decoded
298
Active 15-min windows
-10.7 dB
Estimated median S/N

Bands

First attributed message: 2026-06-06
Last attributed message: 2026-11-05 14:51 UTC

Observed FT8 message patterns

Attributed sample
968 messages
Active dates
77 UTC dates
Estimated median S/N
-10.7 dB
Estimated 10th-90th percentile
-19 to +3 dB
Recurring-pattern threshold
Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 230, moderate (-15 to -9 dB) 360, strong (≥ -8 dB) 378.

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 RU3KV

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
KO91 · 605 decoded messages
SO8OO receiver locator
KN09VW
Locator-centre separation
1,221 km (approx.)
Last such locator decoded
2026-11-05 14:49 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 UTCBandRU3KV S/NCounterpartCounterpart S/NMsgsCapture
11-05 14:49 40m -12 / - ON3MOH/P - / - 2 Partial capture
11-05 14:28 40m -10 / - R8CGO -12 / -5 4 ✓ Closing observed
11-04 17:19 40m -7 / -9 UA9XL/P +5 / +2 3 Partial capture
11-04 15:46 40m -17 / - YL3ASK -14 / -16 3 ✓ Closing observed
11-03 15:17 40m -8 / - RC6OX -10 / -13 4 ✓ Closing observed
11-03 15:15 40m -4 / -8 PF40EUDXF -4 / -15 3 Partial capture
11-03 13:37 40m -15 / - 9A60CBM - / - 2 Partial capture
11-02 16:29 40m -10 / - PF40EUDXF - / -15 2 Partial capture
11-01 18:31 80m - / -1 UC6D -3 / - 2 ✓ Closing fragment
11-01 18:10 160m - / -11 RA3GDV -11 / - 2 ✓ Closing fragment
11-01 15:26 40m -16 / -3 A60FD/31 -3 / +4 2 Partial capture
11-01 12:44 40m -18 / - JA2IVK - / - 2 Partial capture
10-31 18:06 80m -14 / +3 RZ3DC -7 / - 2 ✓ Closing observed
10-31 18:04 80m - / -4 RY3D +7 / - 3 ✓ Closing fragment
10-31 16:35 40m - / - LZ2KV -4 / - 7 Partial capture
10-23 09:44 10m - / -17 OD5JL -6 / - 2 ✓ Closing fragment
10-11 19:45 40m -11 / - AO5CV - / - 4 Partial capture
10-11 19:39 40m -8 / -15 AO5CV -1 / - 3 Partial capture
10-11 19:27 40m -7 / - AO5CV - / - 6 Partial capture
10-11 19:24 40m -7 / - AO5CV - / - 2 Partial capture
10-10 20:26 80m -21 / -22 AO5CV -4 / - 3 Partial capture
10-10 05:52 40m - / -13 SV1ENG -8 / - 3 ✓ Closing fragment
10-10 05:30 40m - / - DL2RPN -6 / - 2 ✓ Closing fragment
10-10 05:28 40m - / -18 IQ9SZ/2 -6 / - 2 Partial capture
10-10 04:21 40m -19 / - IR8PR - / - 4 Partial capture
10-10 04:05 40m -10 / - IQ2AAH -9 / - 2 ✓ Closing observed
10-09 19:30 40m - / -19 AO5CV -6 / - 4 ✓ Closing fragment
10-09 17:57 40m - / -7 IR8PR -14 / - 2 ✓ Closing fragment
10-09 17:35 40m - / -2 IQ2AAH 0 / - 2 ✓ Closing fragment
10-09 17:27 40m -17 / - F5OYA/P - / - 2 Partial capture
10-09 17:23 40m -15 / -16 OH3OJ +2 / - 3 ✓ Closing observed
10-09 17:18 40m -16 / -14 IQ8DO -17 / - 2 Partial capture
10-09 05:50 40m -18 / - IR8PR - / -15 2 Partial capture
10-09 05:45 40m -18 / - IR8PR - / - 4 Partial capture
10-08 23:57 40m - / -14 K1HC -11 / - 3 ✓ Closing fragment
10-08 18:58 40m -14 / - DJ2DL/QRP - / - 2 Partial capture
10-08 15:01 40m -13 / -10 IR8PR -17 / -22 4 ✓ Full exchange observed
10-07 19:24 80m -17 / - AM5CV - / - 3 Partial capture
10-07 19:01 40m -7 / - IZ8XQC -4 / - 2 ✓ Closing observed
10-07 05:39 40m -4 / - RD3FY - / -3 2 ✓ Closing fragment
10-07 05:35 40m - / - RD3FY -10 / - 2 Partial capture
10-07 05:33 40m -19 / -18 IR8PR -15 / - 3 ✓ Closing observed
10-07 05:07 40m - / -5 IQ6MW -10 / - 2 ✓ Closing fragment
10-07 04:49 40m - / - IU8RFW -16 / - 3 Partial capture
10-07 04:48 40m - / -7 RA1TR -2 / - 2 ✓ Closing fragment
10-07 04:42 40m - / -7 RA1TR -8 / - 8 Partial capture
10-05 18:04 40m - / -15 IQ0YA -4 / - 2 ✓ Closing fragment
10-05 17:33 40m - / -9 YO4LUP -3 / - 3 ✓ Closing fragment
10-05 16:54 40m -20 / - AM5CV - / - 2 ✓ Closing fragment
10-05 15:57 40m -12 / -13 IQ2AAH -4 / - 3 ✓ Closing observed

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
171945  -6 2644  UA9XL/P RU3KV KO91
172000  +5 2643  RU3KV UA9XL/P -09
172015  -8 2643  UA9XL/P RU3KV R+02
172300 -16 1769  RK6ABM RU3KV RR73
142600 -17 2358  ON3MOH/P RU3KV KO91
142645 -17 2244  R0BD/P RU3KV R-26
142715 -16 2244  <R330N> RU3KV R-26
142800 -10 2484  RU3KV R8CGO MO08
142815 -10 2484  R8CGO RU3KV -05 (x2)
142900 -14 2484  RU3KV R8CGO 73
144900 -13 2357  ON3MOH/P RU3KV KO91 (x2)
145145 -16 1910  <LZ80RKVT> RU3KV R-01
154515  -9 1559  RU3KV UT3UIY/P -04
80m
UTC    dB Audio  Message
192545 -13 2265  AM5CV RU3KV KO91
202600 -21 2102  AO5CV RU3KV KO91
202645  -3 2103  RU3KV AO5CV -22 (x2)
175815  +7 2782  RU3KV R5BM/M -08
175945 -22  871  RU3KV R6ZEJ KN98
180445  +5 2380  RU3KV RY3D KO95 (x3)
180645  -7 2381  RU3KV RZ3DC R+03
180700 -14 2380  RZ3DC RU3KV RR73
175130 -15 1603  RA3WY RU3KV RR73
180215 -19 2057  YP40CSM RU3KV KO91
183145  -6  289  RU3KV UC6D R-01 (x2)
160m
UTC    dB Audio  Message
212445 -21 1347  RU3KV R3PA -06 (x2)
212545  -1  470  RU3KV RM5F KO85
181030 -10 1811  RU3KV RA3GDV -11 (x2)
10m
UTC    dB Audio  Message
094430  -4 1189  RU3KV OD5JL -17 (x2)
20m
UTC    dB Audio  Message
173915 -23 2103  II7MGBT RU3KV KO91 (x2)
174030  -6 2103  RU3KV II7MGBT -13
174045 -24 2102  II7MGBT RU3KV R-16
175630 -14 2102  RU3KV II7MGBT -15
175715 -21 2102  II7MGBT RU3KV R-13
070445  -2 2103  RU3KV II7MGBT -02
152115  -6  678  RU3KV II7MGBR -08
170600  -8 2582  RU3KV IR7MGGC -17
081915  -5  756  IR7MGGC RU3KV KO91 (x3)
082130 +11  756  RU3KV IR7MGGC -14 (x2)
082215  -4  756  IR7MGGC RU3KV R-20

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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