RU3KA — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO01

Receiver-side FT8 activity involving RU3KA, decoded by SO8OO in southeastern Poland. 440 related FT8 messages, 105 CQ messages, observed on 80m, 40m, 20m, 10m, across 48 UTC dates. Heard between 2026-05-26 and 2026-08-23.

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

440
Related messages
105
CQ messages
48
UTC dates heard
-7 dB
Mean decoder S/N

Bands

First seen: 2026-05-26
Last seen: 2026-08-23 18:58 UTC

Activity Heatmap

Locator transmitted by RU3KA

Approximate centre of LO01, decoded 2026-08-20 21:35 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 UTCBandRU3KA S/NCounterpartCounterpart S/NMsgsCapture
08-23 20:57 40m -12 / -5 G3EFG 0 / -10 4 ✓ Full exchange observed
08-23 20:55 40m -8 / - RA4PIS -1 / -2 3 ✓ Closing observed
08-23 14:39 20m +12 / - YB7FII - / -12 2 Partial capture
08-20 21:32 40m -10 / - BA6IM - / -15 2 ✓ Closing fragment
08-20 21:30 40m -20 / -8 GM5DNA -2 / -14 4 ✓ Full exchange observed
08-20 19:28 40m -7 / -5 RA4FUP -7 / -4 5 ✓ Full exchange observed
08-20 19:26 40m -6 / - R3PLN/P - / -14 2 ✓ Closing fragment
08-20 16:46 40m -5 / +4 RA3UAG -15 / -7 3 ✓ Full exchange observed
08-20 15:33 40m -14 / - UB4HVI - / -14 2 ✓ Closing fragment
08-20 15:32 40m -14 / - RK3AW - / -8 2 ✓ Closing fragment
08-20 11:17 20m - / -5 F4HTA -5 / - 2 ✓ Closing fragment
08-20 11:15 20m +2 / - UA1AQC - / -16 2 Partial capture
08-20 11:14 20m +1 / -2 ON4AOI -1 / -13 4 ✓ Full exchange observed
08-19 20:24 40m -6 / -4 RL3T -20 / -17 4 ✓ Full exchange observed
08-19 20:24 40m -8 / -4 EC5KY -10 / -12 7 ✓ Full exchange observed
08-19 20:23 40m -8 / - R0LM - / -18 2 ✓ Closing fragment
08-19 20:21 40m -7 / - ZS6OB - / -19 2 ✓ Closing fragment
08-19 20:18 40m -9 / - EA8J - / -16 2 Partial capture
08-16 20:54 40m -8 / - 4Z5NZ - / -11 2 ✓ Closing fragment
08-16 18:35 20m - / - F4HWG -4 / - 2 Partial capture
08-16 18:32 20m - / +4 IV3IUM 0 / - 5 ✓ Closing fragment
08-16 18:26 40m -10 / - R3UBO - / -2 2 ✓ Closing fragment
08-15 20:59 80m +6 / +2 SP3GTP +2 / -4 4 ✓ Full exchange observed
08-15 20:55 80m - / -7 DD1UN -4 / - 4 ✓ Closing fragment
08-15 20:53 80m 0 / -19 E78Y +6 / -5 4 ✓ Full exchange observed
08-15 20:51 80m - / 0 8S2DX -11 / - 2 ✓ Closing fragment
08-15 18:49 20m - / -3 TA2ED -9 / - 2 Partial capture
08-15 02:29 80m -9 / -3 HB9EFK +3 / -1 4 ✓ Full exchange observed
08-15 02:18 80m -8 / - SP1ZMO +8 / -6 6 Partial capture
08-15 02:17 80m -8 / - DO8JB -1 / -12 11 Partial capture
08-15 02:16 80m - / - HB9MZI -16 / - 2 Partial capture
08-15 02:16 80m - / - PH7GD -8 / - 4 Partial capture
08-15 02:13 80m +8 / +6 DO5PY +1 / -11 5 ✓ Full exchange observed
08-14 19:40 40m -14 / - F1IQH -16 / - 3 ✓ Closing observed
08-14 19:40 40m -12 / - IU5VLR -20 / -10 3 ✓ Closing observed
08-14 05:34 20m -18 / - JY5IB - / -12 2 ✓ Closing fragment
08-12 20:39 20m -15 / - CT1END/P - / -13 2 Partial capture
08-12 20:36 20m - / -16 DH2RL +1 / - 3 ✓ Closing fragment
08-11 07:30 20m - / -11 RK6HWP -14 / - 4 Partial capture
08-11 07:29 20m - / - UA7T -15 / - 2 ✓ Closing fragment
08-10 21:52 20m - / - DH2RL -10 / - 2 Partial capture
08-10 04:49 20m -15 / - TA3ZGR - / -16 2 Partial capture
08-10 04:43 20m -22 / - UB3FAT - / -15 2 ✓ Closing fragment
08-10 04:38 20m - / +2 UA3PAB -11 / - 3 Partial capture
08-06 21:33 20m -11 / - BA8BLK - / -18 2 ✓ Closing fragment
08-06 04:48 20m -11 / - HA2EOU - / -15 2 ✓ Closing fragment
08-06 04:47 20m -12 / - IW4BO - / -12 2 Partial capture
08-06 04:44 20m -7 / - SV2AOB - / -9 2 ✓ Closing fragment
08-06 04:37 20m -6 / - RW9RR - / -8 2 ✓ Closing fragment
08-06 04:33 20m -6 / - SV9ANC - / -11 3 Partial capture

Recent FT8 messages decoded at SO8OO

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

40m
UTC    dB Audio  Message
213215 -10 1636  BA6IM RU3KA -15 (x2)
213445 -14 1636  9A3J RU3KA -04
213515 -11 1637  CQ RU3KA LO01 (x2)
060445 -22 1663  RU3KA UA3YPS 73
205415 -11 1340  BG2GWN RU3KA RR73
205515  -8 1340  RA4PIS RU3KA -02 (x2)
205600  -1  968  RU3KA RA4PIS 73
205730 -10 1340  G3EFG RU3KA -10
205745  +4 2775  RU3KA G3EFG R-05
205800 -15 1340  G3EFG RU3KA RR73
205815  -3 2775  RU3KA G3EFG 73
205945  -7  754  UN8DAW RU3KA RR73
20m
UTC    dB Audio  Message
183415  +0 2226  RU3KA IV3IUM R+04 (x2)
183545  -6 1302  RU3KA F4HWG JN18 (x2)
111430  +1  919  ON4AOI RU3KA -13
111445  -2 1602  RU3KA ON4AOI R-02
111500  +1  919  ON4AOI RU3KA RR73
111515  +0 1602  RU3KA ON4AOI 73
111530  +2  919  UA1AQC RU3KA -16 (x2)
111745  -5  783  RU3KA F4HTA R-05 (x2)
143945 +11 2249  YB7FII RU3KA -12 (x2)
144145  +2 1147  EK1KE RU3KA -09
80m
UTC    dB Audio  Message
205300  +4 1873  CQ RU3KA LO01 (x2)
205345  +8 1871  RU3KA E78Y -19
205400  +3 1872  E78Y RU3KA R-05
205415  +4 1871  RU3KA E78Y RR73
205430  -2 1873  E78Y RU3KA 73
205530  +3 2031  RU3KA DD1UN R-07 (x4)
205830  -1 2188  DO6JSA RU3KA -01
205945  +4 2188  SP3GTP RU3KA -04
210000  +2 1919  RU3KA SP3GTP R+02
210015  +7 2187  SP3GTP RU3KA RR73
210030  +1 1919  RU3KA SP3GTP 73
10m
UTC    dB Audio  Message
081945  -9 2666  UI6A RU3KA +04
082115 -19 1725  EW7DDR RU3KA -11 (x2)
082430 -18 1726  BG0AYW RU3KA RR73
074200 -21 1329  UF6VX RU3KA RR73
074215 -15 2325  RU3KA UF6VX 73 (x2)

Decoder S/N history by band

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