RK4PR — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO64

Receiver-side FT8 activity involving RK4PR, decoded by SO8OO in southeastern Poland. 777 related FT8 messages, 215 CQ messages, observed on 80m, 40m, 20m, 10m, across 65 UTC dates. Heard between 2026-05-24 and 2026-08-22.

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.

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Overview

777
Related messages
215
CQ messages
65
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-24
Last seen: 2026-08-22 12:19 UTC

Frequent QSO partners observed at SO8OO

Stations RK4PR worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RK4PR

Approximate centre of LO64, decoded 2026-08-21 15:38 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 UTCBandRK4PR S/NCounterpartCounterpart S/NMsgsCapture
08-22 14:18 20m - / -11 A71AT -2 / - 3 ✓ Closing fragment
08-21 15:38 40m - / -12 R4HNW -8 / - 3 Partial capture
08-21 15:04 20m -12 / +2 PA1PXL +1 / -22 7 ✓ Full exchange observed
08-21 15:03 20m -8 / - JH4RUF - / -5 2 ✓ Closing fragment
08-21 13:37 20m -16 / - JR4DHK - / -11 2 ✓ Closing fragment
08-21 13:33 20m -13 / - JE6XFK - / -13 3 Partial capture
08-21 10:31 20m - / - OK2CNI +19 / - 5 Partial capture
08-21 10:29 20m -12 / - R1TET - / -9 2 ✓ Closing fragment
08-20 16:19 40m - / +3 RW4Z -14 / - 4 ✓ Closing fragment
08-20 16:18 40m - / - R4UA -3 / - 2 Partial capture
08-20 16:18 40m -8 / -7 UA3WG -6 / -2 5 ✓ Full exchange observed
08-20 16:15 40m -11 / - UA9MMZ - / -10 2 ✓ Closing fragment
08-20 13:09 20m - / - UI6O -8 / - 6 Partial capture
08-19 14:10 20m -14 / - KG7MAV - / -20 2 Partial capture
08-16 15:20 20m - / - DJ9HX +7 / - 3 Partial capture
08-15 16:38 40m -13 / -14 PE9JAN -23 / -14 3 ✓ Full exchange observed
08-15 14:14 20m -18 / - <...> - / -13 4 Partial capture
08-14 15:38 20m -14 / - <...> - / -5 6 Partial capture
08-12 15:45 20m - / - DL6ZOG -4 / - 2 Partial capture
08-12 15:41 20m -14 / - BI1OIY - / -11 2 ✓ Closing fragment
08-12 15:39 20m -15 / - TA1ETM - / -12 2 ✓ Closing fragment
08-12 15:37 20m -12 / - JE1ABU - / -4 2 Partial capture
08-12 15:03 20m -14 / - <...> - / -19 2 Partial capture
08-12 14:42 20m -23 / - <...> - / -18 3 Partial capture
08-12 14:33 20m -16 / - <...> - / -16 5 Partial capture
08-12 14:18 20m -12 / - <...> - / -14 4 Partial capture
08-09 09:32 20m - / - DH5BO -14 / - 2 ✓ Closing fragment
08-09 09:22 20m - / - S51UN -11 / - 3 Partial capture
08-08 17:16 40m - / -8 RA3AJT -7 / - 2 ✓ Closing fragment
08-08 17:04 80m -12 / -1 RY3F -8 / - 3 ✓ Closing observed
08-08 15:34 40m - / -4 RA3LJ -14 / - 2 Partial capture
08-08 15:31 40m - / - SP9CTW -12 / - 2 ✓ Closing fragment
08-07 13:47 20m - / - PD3LKN -16 / - 2 Partial capture
08-07 13:44 20m - / -10 IK1UGX -8 / - 2 ✓ Closing fragment
07-29 15:26 20m - / - PD3LKN -16 / - 8 Partial capture
07-29 15:26 20m - / - PD2WL -20 / - 2 Partial capture
07-28 15:43 40m - / -9 SP9DOU -18 / - 2 ✓ Closing fragment
07-28 15:31 20m - / - PD3LKN -10 / - 2 Partial capture
07-26 16:17 20m - / - DL1R -2 / - 10 Partial capture
07-24 14:36 20m -15 / - KJ7WRG - / -15 2 ✓ Closing fragment
07-24 12:02 10m - / -21 OZ5NJ +4 / - 3 ✓ Closing fragment
07-22 13:46 20m - / - PD0DEX -9 / - 11 Partial capture
07-19 13:33 10m - / -22 R6JY -16 / - 2 ✓ Closing fragment
07-19 10:22 10m - / - PF1B -9 / - 3 Partial capture
07-19 10:14 10m - / -4 PA3EVY +5 / - 2 Partial capture
07-18 15:28 20m - / - PD3LKN -10 / - 2 Partial capture
07-18 15:28 20m - / - G3ROY -17 / - 7 Partial capture
07-18 14:17 10m - / -6 E73CV -4 / - 6 ✓ Closing fragment
07-17 12:29 20m - / - DL1R -1 / - 3 Partial capture
07-13 16:21 40m - / - UB6ZDJ -15 / - 2 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
133830 -13 1422  RK4PR PD4RJ JO33
150300 -10  969  JH4RUF RK4PR -05 (x2)
150400  -9  969  CQ RK4PR LO64 (x2)
150445  +3  970  RK4PR PA1PXL JO21 (x2)
150530 -13  971  PA1PXL RK4PR -22
150545  -5  970  RK4PR PA1PXL JO21 (x3)
150700 -12  971  PA1PXL RK4PR RR73
141830  -2  592  RK4PR A71AT LL55 (x3)
40m 
UTC    dB Audio  Message
161930  -7  934  RK4PR UA3WG R-07
162000 -14 1934  RK4PR RW4Z +03
162000  -6  934  RK4PR UA3WG 73
162100 -13 1934  RK4PR RW4Z 73
151645 -15  935  R9FGJ RK4PR RR73
153230 -16  934  CQ RK4PR LO64 (x2)
153730 -11  934  UB8SII RK4PR -12
153800 -12  935  CQ RK4PR LO64
153815 -10  934  RK4PR R4HNW LO43 (x3)
154015  -9 1934  RK4PR DL6ZOG JO52
154045 -21 1793  RK4PR UB6LLI KN97
154245  -5 1934  RK4PR DL6ZOG JO52
80m 
UTC    dB Audio  Message
184030  -7  902  RA3LCI RK4PR 73
184100  -1  902  CQ RK4PR LO64
184130  -4  902  RA3V RK4PR R-04 (x2)
184230  -7  902  CQ RK4PR LO64 (x2)
184330  -3  902  RA3ZOM RK4PR -03
184345 +10 1712  RK4PR RA3ZOM R-10
184400  -1  902  RA3ZOM RK4PR RR73
184415 +10 1713  RK4PR RA3ZOM 73
184600  -3  902  DJ5AS RK4PR -19
170430  -9  902  RK4PR RY3F R-01
170445 -12  900  RY3F RK4PR RR73
170500  -6  902  RK4PR RY3F RR73
170515 -13  901  CQ RK4PR LO64                         a1
10m 
UTC    dB Audio  Message
141930  -7  974  RK4PR E73CV 73
094900 -15  816  RK4PR R6FFB -14
101415 -10  977  RK4PR R7OV KN87
101415  +5  607  RK4PR PA3EVY JO11 (x2)
102215  -9  664  RK4PR PF1B JO22 (x3)
102415 -14  981  RK4PR R7OV R-05
133330 -16 1986  RK4PR R6JY R-22 (x2)
120200  +0 2298  RK4PR OZ5NJ JO45 (x3)
134400 -14 2222  RK4PR RV6BEP R+03

Decoder S/N history by band

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