R2ZCB — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO90

Receiver-side FT8 activity involving R2ZCB, decoded by SO8OO in southeastern Poland. 140 related FT8 messages, observed on 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-04-28 and 2026-07-02.

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

140
Related messages
0
CQ messages
21
UTC dates heard
-8 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-04-28
Last seen: 2026-07-02 18:13 UTC

Frequent QSO partners observed at SO8OO

Stations R2ZCB worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R2ZCB

Approximate centre of KO90, decoded 2026-07-04 19:17 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 UTCBandR2ZCB S/NCounterpartCounterpart S/NMsgsCapture
07-04 19:16 40m -7 / - <...> - / -20 3 Partial capture
06-30 18:45 40m -17 / - RA6ATZ -17 / - 2 ✓ Closing observed
06-30 18:43 40m -11 / - SP7TF - / -13 2 ✓ Closing fragment
06-30 18:43 40m -12 / -9 RK6ABM -15 / +7 6 ✓ Full exchange observed
06-30 18:41 40m -13 / +6 UA3RBM -14 / - 3 ✓ Closing observed
06-29 11:10 20m - / - UA3FO -20 / - 2 Partial capture
06-29 11:10 20m - / -6 II7WWA -18 / - 2 Partial capture
06-29 10:40 20m -13 / -20 II3WWA -10 / -15 5 ✓ Full exchange observed
06-29 10:39 20m -19 / -13 GB2WWA -8 / - 2 ✓ Closing observed
06-29 04:48 10m -10 / - TM2WWA - / -10 2 Partial capture
06-29 04:40 10m +2 / - DA0WWA - / - 2 ✓ Closing fragment
06-29 04:38 10m -10 / +2 RA3VX -21 / +3 5 ✓ Full exchange observed
06-29 04:37 10m -14 / - RA4HG - / +6 2 ✓ Closing fragment
06-29 04:36 10m -12 / - RK4H - / +8 2 ✓ Closing fragment
06-29 04:33 10m -8 / - UA9ZZ - / - 2 ✓ Closing fragment
06-28 19:25 20m -15 / -14 GM4ZTO -4 / -10 3 ✓ Full exchange observed
06-28 19:20 20m -12 / - VU3OSA - / -19 2 Partial capture
06-28 19:18 20m - / -10 YO4GIY -4 / - 3 ✓ Closing fragment
06-28 18:20 10m -10 / - RU4I - / - 2 Partial capture
06-28 18:18 10m -9 / - R1AI - / -6 3 Partial capture
06-27 18:15 40m -10 / - RA3BY -18 / - 3 ✓ Closing observed
06-27 18:13 40m -11 / - R2EA/P -8 / - 2 ✓ Closing observed
06-27 18:11 40m -10 / - VJ6X - / -16 2 ✓ Closing fragment
06-26 18:26 20m - / -13 G4YLJ -10 / - 6 ✓ Closing fragment
06-26 18:17 20m -12 / - KF0YOB - / -9 2 Partial capture
06-26 17:25 20m -14 / - RZ0SW - / -4 2 ✓ Closing fragment
06-25 11:42 10m - / - UB1CCL -17 / - 2 Partial capture
06-25 11:37 10m - / -7 EA5KB -18 / - 2 ✓ Closing fragment
06-25 11:33 10m - / - RA3FH -17 / - 2 Partial capture
06-25 11:22 10m -22 / - EX8ABR - / -16 2 Partial capture
06-25 11:21 10m -16 / - RW7B - / - 2 ✓ Closing fragment
06-25 11:13 10m -18 / - RZ5D - / 0 2 ✓ Closing fragment
06-25 11:03 10m -12 / - R2EA/P - / -16 2 Partial capture
06-25 11:02 10m -14 / - OM0RX - / -4 2 ✓ Closing fragment
06-25 11:00 10m -15 / -9 SV2CLJ -7 / - 3 ✓ Closing observed
06-25 10:58 10m -15 / - UA6HI - / -11 2 ✓ Closing fragment
06-25 10:50 10m -16 / -8 UI6A -18 / +6 4 ✓ Full exchange observed
06-25 10:49 10m -5 / +4 R3HH 0 / +10 3 Partial capture
06-25 10:47 10m -10 / - RV6HAF - / -8 2 ✓ Closing fragment
06-25 10:46 10m - / -9 RZ6LY -18 / - 2 ✓ Closing fragment
06-25 10:43 10m - / - R7DX -6 / - 3 Partial capture
06-25 10:43 10m - / -7 RX3ASQ -12 / - 2 ✓ Closing fragment
06-25 10:27 10m - / - RA3BY -4 / - 2 Partial capture
06-24 11:47 20m - / -19 GB1500M -11 / - 2 Partial capture
06-23 18:59 40m -12 / - R2BIN - / -1 2 ✓ Closing fragment
06-23 02:47 20m - / -13 V31DL -8 / - 3 ✓ Closing fragment
06-23 02:41 20m - / -25 NY4I -15 / - 2 ✓ Closing fragment
06-23 02:16 40m -22 / - OA4ENG - / -19 5 Partial capture
06-21 18:38 20m - / - R2BRD -7 / - 3 Partial capture
06-20 19:35 20m - / +6 IK1RQX +6 / - 4 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
184330 -20 1735  R2ZCB RK6ABM KN96
184345 -14 1235  SP7TF R2ZCB R-13 (x2)
184430 -14 1735  R2ZCB RK6ABM KN96
184445 -12 1235  RK6ABM R2ZCB +07
184500 -16 1735  R2ZCB RK6ABM R-09
184515 -12 1235  RK6ABM R2ZCB RR73
184530 -17 1520  R2ZCB RA6ATZ KN96
184530 -11 1735  R2ZCB RK6ABM 73
184615 -17 1235  RA6ATZ R2ZCB RR73
184730 -13 1235  E2WWA R2ZCB -22
191645  -9 2614  <...> R2ZCB KO90 (x3)
192415  -4  534  OO0O R2ZCB -18
20m 
UTC    dB Audio  Message
193345  +1  961  R2ZCB LZ1ZF KN22
103930  -8 1228  R2ZCB GB2WWA R-13
103945 -19 1228  GB2WWA R2ZCB RR73
104045 -14  758  II3WWA R2ZCB -15
104130 -13  758  R2ZCB II3WWA R-20
104145 -12  758  II3WWA R2ZCB RR73
104200  -8  758  R2ZCB II3WWA R-20
104245 -13  759  II3WWA R2ZCB RR73
104345 -13  758  R3KJF R2ZCB +11
111030 -18 2100  R2ZCB II7WWA R-06
111045 -18 1902  R2ZCB UA3FO KO94
111100 -19 2100  R2ZCB II7WWA R-06
111115 -22 1902  R2ZCB UA3FO KO94
180415  -7 2427  R2ZCB SN4WWA R-03
201315  -5 2881  R2ZCB EA3BIC JN11
10m 
UTC    dB Audio  Message
043545 -13 1452  RK6JCV R2ZCB RR73
043615  -8 1451  RK4H R2ZCB +08 (x2)
043715 -13 1452  RA4HG R2ZCB R+06 (x2)
043800 -18 1579  R2ZCB RA3VX +02 (x2)
043845 -11 1533  RA3VX R2ZCB R+03
043900 -22 1579  R2ZCB RA3VX RR73
043915  -8 1534  RA3VX R2ZCB 73
044045  +4  480  DA0WWA R2ZCB +15 (x2)
044800 -11 2185  TM2WWA R2ZCB -10 (x2)
095930  +2  657  R2ZCB SX0W R-12

Decoder S/N history by band

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