RK2Z — FT8 activity observed at SO8OO

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

Receiver-side FT8 activity involving RK2Z, decoded by SO8OO in southeastern Poland. 361 related FT8 messages, 142 CQ messages, observed on 80m, 40m, 20m, 10m, across 27 UTC dates. Heard between 2026-05-22 and 2026-08-11.

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

361
Related messages
142
CQ messages
27
UTC dates heard
-7 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-22
Last seen: 2026-08-11 02:11 UTC

Frequent QSO partners observed at SO8OO

Stations RK2Z worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RK2Z

Approximate centre of KO81, decoded 2026-08-11 05:06 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 UTCBandRK2Z S/NCounterpartCounterpart S/NMsgsCapture
08-11 04:10 20m - / -5 RA3AHN -7 / - 2 ✓ Closing fragment
08-11 04:06 20m - / - R6ZEJ -8 / - 3 Partial capture
08-10 18:23 40m -15 / -2 RG5A -1 / -2 4 ✓ Full exchange observed
08-10 18:16 40m -12 / - RA4ADF - / -6 2 ✓ Closing fragment
08-10 18:13 40m -15 / - TA1MHS - / -10 3 Partial capture
08-10 18:11 40m -18 / - R5KH - / -14 2 ✓ Closing fragment
08-10 18:00 20m - / -16 R1IV -10 / - 2 ✓ Closing fragment
08-10 05:45 10m -8 / - UA3SNB - / -13 2 Partial capture
08-09 15:39 40m -8 / - UI0A - / -10 2 Partial capture
08-09 15:37 40m -8 / - YG2AUI - / -16 2 ✓ Closing fragment
08-09 15:35 40m -10 / - YD2DFO - / - 2 Partial capture
08-09 13:36 20m -16 / - RA3P - / - 2 Partial capture
08-08 17:36 40m -8 / - R4FDQ - / -7 2 ✓ Closing fragment
08-08 17:34 40m -7 / - R9FEB - / - 3 Partial capture
08-08 17:27 40m -4 / - R3KED - / -9 2 ✓ Closing fragment
08-08 17:26 40m -4 / - UA4WCS - / - 2 ✓ Closing fragment
08-08 17:23 40m 0 / - UB3AVN - / -17 3 ✓ Closing fragment
08-08 17:20 40m -4 / - R0AJQ/P - / -16 4 ✓ Closing fragment
08-07 18:06 40m - / -16 UA3ZQN -4 / - 4 ✓ Closing fragment
08-07 18:00 40m -5 / - R9UBP - / -11 5 ✓ Closing fragment
08-07 16:52 40m 0 / - UB0SMX/P - / - 2 Partial capture
08-07 16:50 40m 0 / - R2AVW - / -9 3 ✓ Closing fragment
08-07 05:47 20m -17 / - 3V8HP - / - 2 Partial capture
08-07 05:41 20m -12 / - R4PIX - / -24 2 Partial capture
08-06 18:58 40m -20 / -4 RA6OD -18 / -9 3 ✓ Full exchange observed
08-06 18:57 40m -20 / - R3DCR - / -7 2 ✓ Closing fragment
08-06 18:49 40m -15 / -1 RC6OD -14 / -5 5 ✓ Full exchange observed
08-06 18:34 40m -18 / -4 R4HHN -10 / - 3 ✓ Closing observed
08-06 18:31 40m -15 / - R6LMH - / - 3 Partial capture
08-06 18:16 40m +2 / - R4WZ - / - 3 Partial capture
08-06 17:11 40m -8 / - RA3ZOM - / - 2 Partial capture
08-06 13:34 20m - / -13 SP1ZMO -9 / - 3 Partial capture
08-04 19:06 20m - / +8 RY4D -20 / - 2 ✓ Closing fragment
08-03 19:09 80m - / -11 RA3VX -12 / - 3 ✓ Closing fragment
08-03 18:10 40m -6 / - RV0AR - / -15 2 ✓ Closing fragment
08-03 18:07 40m -6 / - R4FFQ -12 / -5 5 ✓ Full exchange observed
08-03 17:59 40m -7 / - R3LDK -22 / -9 3 ✓ Closing observed
08-03 17:48 40m -9 / +1 R6OIZ -10 / - 3 ✓ Closing observed
08-03 17:14 20m - / - EA3FH 0 / - 2 Partial capture
08-03 17:08 20m - / - EA3FH +4 / - 5 Partial capture
08-03 17:07 20m -9 / -13 R6SS -8 / -8 2 Partial capture
08-01 16:19 20m -10 / - RN0JJ/P - / -8 4 Partial capture
08-01 04:24 40m -14 / - R4DI/P - / -3 2 ✓ Closing fragment
07-31 19:16 40m -1 / - VK6WTF - / -21 3 ✓ Closing fragment
07-31 19:13 40m -2 / +3 RA3TVW -12 / -5 4 ✓ Full exchange observed
07-31 19:08 40m 0 / - VK6BAD - / -16 2 Partial capture
07-31 19:05 40m +1 / +6 RC6OT -10 / -8 6 ✓ Full exchange observed
07-31 19:03 40m +4 / - R0ADN - / -11 3 ✓ Closing fragment
07-31 18:23 40m -10 / - R1BSB - / -16 2 ✓ Closing fragment
07-31 18:19 40m -17 / - RD3FY - / -7 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
094600 -13  274  R3XBS RK2Z 73
094700 -14  274  RA9YTI RK2Z KO81
075315 -21 1888  RK2Z RN9N RR73
124430 -24 1715  RK2Z RJ3DC -17
133645 -17  887  RA3P RK2Z KO81 (x2)
180000 -10 1251  RK2Z R1IV -16 (x2)
040615  -7  545  RK2Z R6ZEJ KN98 (x3)
040715 -18 1973  RK2Z RC5F RR73
041045  -7 2646  RK2Z RA3AHN -05 (x2)
050615 -11  795  RN3YN RK2Z KO81
40m 
UTC    dB Audio  Message
181715 -12 1528  RA4ADF RK2Z RR73
181830 -13 1528  CQ RK2Z KO81 (x2)
182030 -12 1528  R9JAC RK2Z RR73
182130 -18 1529  CQ RK2Z KO81 (x3)
182245 -14 1089  RK2Z UA3SCU +06
182300 -13 1528  RG5A RK2Z -02
182315  -1  487  RK2Z RG5A R-02
182330 -17 1528  RG5A RK2Z RR73
182345  -1  487  RK2Z RG5A 73
182530 -21 1527  CQ RK2Z KO81                          a1 (x2)
182700 -19 1528  5Z4VJ RK2Z -17
10m 
UTC    dB Audio  Message
075815 -11 1811  RK2Z F4EOC JN39
132430  -9 2738  CQ RK2Z KO81
132630  -6 2739  RL1B RK2Z R-10 (x2)
132830 -11 2739  9A3K RK2Z RR73
132900  -8 2738  CQ RK2Z KO81                          a1
132930  -5 2738  DK2CC RK2Z -13
133100  -8 2737  R8CC RK2Z 73
133200  -6 2737  OK1WCF RK2Z RR73 (x2)
133545  -6 2737  RK2Z R6FMK LN05
133900  -9 2736  LZ3CB RK2Z -12
084445 -15  266  UA9FFV RK2Z 73
054545 -11  556  UA3SNB RK2Z R-13 (x2)
80m 
UTC    dB Audio  Message
183645 -10 2639  R6ZEJ RK2Z 73
183815  -9 2638  RC9WC RK2Z KO81 (x3)
184130 -12 2639  R2GFD RK2Z KO81
184430  -5 2639  RD9T RK2Z KO81
185200  -8 2638  RC6OD RK2Z KO81 (x3)
185445  +9 1115  RK2Z RC6OD -17
185530  -6 2639  RC6OD RK2Z 73
185745 -15 2639  <...> RK2Z KO81
190945 -11  882  RK2Z RA3VX LO06 (x3)

Decoder S/N history by band

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