RV3ZN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO81

Receiver-side FT8 activity involving RV3ZN, decoded by SO8OO in southeastern Poland. 226 related FT8 messages, 104 CQ messages, observed on 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-06-14 and 2026-08-21.

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

226
Related messages
104
CQ messages
21
UTC dates heard
-1 dB
Mean decoder S/N

Bands

40m 20m 10m
First seen: 2026-06-14
Last seen: 2026-08-21 15:49 UTC

Frequent QSO partners observed at SO8OO

Stations RV3ZN worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RV3ZN

Approximate centre of KO81, decoded 2026-08-21 17:50 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 UTCBandRV3ZN S/NCounterpartCounterpart S/NMsgsCapture
08-21 17:50 40m +11 / - EI9KF - / -12 3 ✓ Closing fragment
08-21 17:48 40m +10 / -2 R0AH -15 / +5 5 ✓ Full exchange observed
08-21 17:47 40m 0 / - EX8ABQ - / +3 3 ✓ Closing fragment
08-21 17:45 40m +6 / +7 R6DZR +4 / +7 5 ✓ Full exchange observed
08-21 17:41 40m +7 / - JI3VUB - / -18 3 ✓ Closing fragment
08-21 17:38 40m +4 / -3 UA1AEL -5 / 0 4 ✓ Full exchange observed
08-21 17:37 40m +5 / -9 R8CGO -4 / - 4 ✓ Full exchange observed
08-21 17:35 40m +4 / -3 UA3DPM +3 / -12 10 ✓ Full exchange observed
08-21 17:35 40m +8 / -6 RA9UJ -6 / +2 4 ✓ Full exchange observed
08-21 17:31 40m +6 / 0 DL7UKM +8 / -12 5 ✓ Full exchange observed
08-21 17:28 40m +8 / - BD8ELZ - / -17 3 ✓ Closing fragment
08-18 02:23 80m -6 / - <...> - / -16 4 Partial capture
08-18 02:19 80m +2 / - <...> - / - 2 Partial capture
08-11 11:36 20m -2 / - ON1DGN -24 / -14 3 ✓ Closing observed
08-11 11:33 20m 0 / - JF2HPA - / -13 2 ✓ Closing fragment
08-11 11:32 20m +1 / - SP1ZMO - / -11 2 Partial capture
08-11 11:31 20m -4 / -7 PD1ADA -18 / -14 4 ✓ Full exchange observed
08-11 11:28 20m -5 / -15 F5IXN -6 / -7 6 ✓ Full exchange observed
08-11 11:27 20m 0 / - R9AL - / -3 2 ✓ Closing fragment
08-05 21:34 40m -6 / - M7OBM -21 / -11 3 ✓ Closing observed
07-30 10:56 20m -14 / - DJ5YS -14 / -21 5 Partial capture
07-30 10:52 20m -1 / - SV9MBH - / -22 2 ✓ Closing fragment
07-30 10:47 10m -11 / -11 F1PBZ +2 / -13 4 ✓ Full exchange observed
07-24 16:26 40m -17 / - 5W1SA - / - 3 Partial capture
07-24 09:57 20m +12 / - RA4CGX - / +3 2 ✓ Closing fragment
07-24 09:55 20m +6 / -7 DK3HV +12 / -1 5 ✓ Full exchange observed
07-24 09:55 20m +4 / -7 YT1DDL -7 / -16 9 ✓ Full exchange observed
07-23 18:32 40m -2 / - VJ6X - / -22 4 ✓ Closing fragment
07-23 18:32 40m +3 / - UA3UBV - / +1 2 ✓ Closing fragment
07-23 18:30 40m +7 / - RV9WJP - / -1 3 ✓ Closing fragment
07-23 18:29 40m +8 / - R4SCQ - / +3 2 ✓ Closing fragment
07-23 18:28 40m +8 / - R2ZO - / -20 2 ✓ Closing fragment
07-23 18:27 40m +6 / -4 RX7T -7 / - 3 ✓ Closing observed
07-23 18:26 40m +8 / - RW0UM - / -15 2 ✓ Closing fragment
07-23 18:24 40m +8 / - UA0LQE - / -25 2 ✓ Closing fragment
07-23 04:13 20m -12 / - VE6CV - / - 2 Partial capture
07-23 04:12 20m +2 / - RZ6CO - / -6 2 ✓ Closing fragment
07-23 04:10 20m 0 / - VE3PFW - / - 2 Partial capture
07-23 04:07 20m -5 / - D2UY - / -12 3 ✓ Closing fragment
07-21 17:31 40m -4 / - BI8AWT - / -12 4 Partial capture
07-21 17:23 40m -6 / - UB4CLH - / +7 2 ✓ Closing fragment
07-21 17:21 40m -8 / - UA3TJC - / -11 3 ✓ Closing fragment
07-21 17:20 40m -8 / -1 UB6OCP -19 / +3 3 Partial capture
07-21 03:14 20m +2 / - OD5ZZ - / -6 2 ✓ Closing fragment
07-21 03:12 20m +1 / - HI8C - / - 2 ✓ Closing fragment
07-21 03:08 20m +2 / - HK4ZZ - / -1 3 ✓ Closing fragment
07-21 03:06 20m +2 / - W4JHV - / -5 3 ✓ Closing fragment
07-21 02:54 20m -2 / - W3YNI - / - 2 Partial capture
07-21 02:53 20m -2 / - EX8ABR - / -2 3 ✓ Closing fragment
07-21 02:50 20m -2 / - ZL3JWH - / - 2 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
174515  +6 2991  R6DZR RV3ZN +07
174530  +3  738  RV3ZN R6DZR R+07
174545  +6 2991  R6DZR RV3ZN RR73
174600  +4  739  RV3ZN R6DZR 73
174715  +0 2236  EX8ABQ RV3ZN KO81 (x3)
174845  +9 2956  R0AH RV3ZN KO81
174900 -15 2188  RV3ZN R0AH -02
174915  +9 2955  R0AH RV3ZN R+05
174930 -15 2188  RV3ZN R0AH RR73
174945 +12 2955  R0AH RV3ZN 73
175015 +10 2955  EI9KF RV3ZN KO81 (x3)
80m 
UTC    dB Audio  Message
021915  +9 2908  <...> RV3ZN KO81 (x6)
20m 
UTC    dB Audio  Message
112915  -6 2679  F5IXN RV3ZN -07 (x2)
113100 -19 2035  RV3ZN PD1ADA JO21
113115  -3 2674  PD1ADA RV3ZN -14
113130 -18 2036  RV3ZN PD1ADA R-07
113145  -4 2674  PD1ADA RV3ZN RR73
113215  -1 2672  SP1ZMO RV3ZN -11 (x2)
113315  +1 2670  JF2HPA RV3ZN -13 (x2)
113445  +0 2666  CQ RV3ZN KO81 (x2)
113615 -10 2663  ON1DGN RV3ZN R-14
113630 -24 1394  RV3ZN ON1DGN RR73
113645  +5 2662  ON1DGN RV3ZN 73
10m 
UTC    dB Audio  Message
082100  +6 2834  RV3ZN DH9DR R-15 (x8)
104615 -13 2157  JA0FIL RV3ZN KO81
104715 -17 2162  CQ RV3ZN KO81
104730  +1 2732  RV3ZN F1PBZ -11
104745 -10 2157  F1PBZ RV3ZN R-13
104800  +4 2732  RV3ZN F1PBZ RR73
104815 -12 2160  F1PBZ RV3ZN 73
104845  -8 2159  CQ RV3ZN KO81

Decoder S/N history by band

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