RU3X — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO73

Receiver-side FT8 activity involving RU3X, decoded by SO8OO in southeastern Poland. 1,166 related FT8 messages, 527 CQ messages, observed on 160m, 80m, 40m, 20m, 10m, across 64 UTC dates. Heard between 2026-05-24 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

1,166
Related messages
527
CQ messages
64
UTC dates heard
-9 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-24
Last seen: 2026-08-21 14:26 UTC

Frequent QSO partners observed at SO8OO

Stations RU3X worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RU3X

Approximate centre of KO73, decoded 2026-08-21 16:16 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 UTCBandRU3X S/NCounterpartCounterpart S/NMsgsCapture
08-21 16:25 20m - / -13 F6CAX +4 / - 3 ✓ Closing fragment
08-21 15:59 20m - / -17 IK6GPZ +1 / - 3 ✓ Closing fragment
08-21 15:49 20m - / -15 PA1PXL -9 / - 5 Partial capture
08-20 05:05 20m - / -15 UN0GY -6 / - 2 ✓ Closing fragment
08-20 05:03 20m - / -19 F1PBZ +13 / - 4 Partial capture
08-19 18:27 160m -10 / -6 RA4Y -20 / -10 8 ✓ Full exchange observed
08-19 18:20 160m -10 / - UA4CKN - / -15 2 ✓ Closing fragment
08-19 17:45 160m -17 / -4 R5DT 0 / -1 5 ✓ Full exchange observed
08-19 17:43 160m -15 / -1 RX3PX -12 / +5 5 ✓ Full exchange observed
08-19 17:37 160m -16 / - RW9WJ - / -17 4 ✓ Closing fragment
08-19 17:37 160m -18 / - RA0ADQ -19 / -19 9 ✓ Closing observed
08-19 16:35 80m -13 / -9 R3PBA -22 / -1 5 ✓ Full exchange observed
08-19 16:34 80m -12 / - R9IR - / -9 3 ✓ Closing fragment
08-19 16:29 80m -16 / -7 EW8R 0 / -9 10 ✓ Full exchange observed
08-19 16:25 80m -10 / - RC7LX - / -21 3 ✓ Closing fragment
08-19 16:22 80m -14 / +7 RA3WEO -14 / - 4 ✓ Full exchange observed
08-19 16:20 80m -17 / - RA9MAI - / -16 3 ✓ Closing fragment
08-12 06:33 10m - / -12 IU7VOL -14 / - 2 Partial capture
08-11 16:12 40m -21 / - R2APC - / - 3 Partial capture
08-11 16:00 40m - / -5 R6OGV -16 / - 2 ✓ Closing fragment
08-11 15:07 40m -15 / - RA3UAG - / +1 3 ✓ Closing fragment
08-11 07:51 10m - / -15 F1PBZ +5 / - 3 Partial capture
08-11 04:43 10m - / +5 RA7A -13 / - 2 ✓ Closing fragment
08-10 07:29 10m - / -8 UA6NT -8 / - 2 ✓ Closing fragment
08-10 07:23 10m - / -9 IV3DXW +10 / - 3 Partial capture
08-03 16:13 20m - / - RA6OY +9 / - 4 Partial capture
07-31 16:52 40m -19 / - <...> - / - 4 Partial capture
07-31 16:48 40m -18 / - UB3ADO/P - / - 2 Partial capture
07-31 16:44 40m -19 / - UB3XCA - / +3 3 Partial capture
07-31 16:40 40m -18 / +1 RA3AJT -10 / +4 4 ✓ Full exchange observed
07-31 16:36 40m -18 / -4 RN3ZBX -11 / - 5 ✓ Full exchange observed
07-30 16:16 40m -18 / - R4HMS - / -6 3 ✓ Closing fragment
07-30 16:12 40m -21 / - RX7O -24 / +6 2 ✓ Closing observed
07-30 16:07 40m -20 / - HA3GX - / - 2 Partial capture
07-30 16:06 40m -12 / - UI6A - / +3 2 ✓ Closing fragment
07-30 16:00 40m - / -7 HA3GX -19 / - 2 ✓ Closing fragment
07-30 14:43 40m -20 / - UN8FR - / - 2 Partial capture
07-29 17:01 40m -20 / - RK6ADN - / -9 2 ✓ Closing fragment
07-29 16:19 80m -24 / - RY9C - / - 2 ✓ Closing fragment
07-29 16:05 40m -18 / - R4CBF - / - 2 Partial capture
07-29 16:00 40m -17 / - LB6NK - / - 2 Partial capture
07-25 16:30 20m - / -4 R2FAQ -12 / - 2 ✓ Closing fragment
07-25 16:18 20m -14 / - ZR6PE - / -18 3 ✓ Closing fragment
07-25 16:13 20m -17 / - BV2NF - / - 3 Partial capture
07-25 16:11 20m -19 / - RA9LY - / -4 3 ✓ Closing fragment
07-25 16:08 20m - / 0 PE9JAN -10 / - 3 Partial capture
07-24 16:53 80m -12 / - RN3AOE - / - 3 Partial capture
07-24 16:47 80m -20 / +9 RA3XAL -7 / +10 5 ✓ Full exchange observed
07-24 16:31 40m - / -2 RU6FK -16 / - 3 Partial capture
07-23 06:06 10m - / -3 RA1WZ -13 / - 3 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

20m 
UTC    dB Audio  Message
050545  -4 2735  RU3X UN0GY RR73
154915  -9 1943  RU3X PA1PXL R-15 (x5)
155945  +3 2131  RU3X IK6GPZ JN62 (x3)
160315  -4 2226  RU3X TA2ED -14
161430 -20 2271  RU3X BG7BMG -11
161645 -22 2150  CQ RU3X KO73
162500  +4 2733  RU3X F6CAX JO00 (x3)
160m 
UTC    dB Audio  Message
182215 -13 1471  CQ RU3X KO73 (x7)
182700 -16 1471  RA4Y RU3X KO73 (x4)
182845 -21 1615  RU3X RA4Y -06
182900  -9 1472  RA4Y RU3X R-10
182915 -19 1615  RU3X RA4Y RR73
182930 -12 1472  RA4Y RU3X 73
80m 
UTC    dB Audio  Message
163130 -14 1434  EW8R RU3X KO73 (x2)
163215  +2  720  RU3X EW8R -07
163230 -11 1434  EW8R RU3X R-09
163245  -3  720  RU3X EW8R RR73
163300  -9 1434  EW8R RU3X 73
163330  -7 1434  CQ RU3X KO73
163400  -8 1434  R9IR RU3X -09 (x3)
163530 -10 1436  R3PBA RU3X -01
163545 -23 1429  RU3X R3PBA R-09
163600 -11 1436  R3PBA RU3X RR73
163615 -20 1432  RU3X R3PBA 73
163630 -19 1435  R3PBA RU3X 73
10m 
UTC    dB Audio  Message
071045 -20 1665  RU3X RG7A KN93
071545  -9  746  RU3X SH0JPO R-11
070445 -10 2339  RU3X US5LOC RR73
072345  +9  402  RU3X IV3DXW JN65 (x3)
072900  -3 2250  RU3X UA6NT -08 (x2)
044300 -15 1193  RU3X RA7A +05 (x2)
075145  +2 2640  RU3X F1PBZ -15 (x3)
063345 -11 1981  RU3X IU7VOL -12 (x2)
40m 
UTC    dB Audio  Message
150900 -14 2252  RA3UAG RU3X R+01 (x2)
151045 -19 2253  CQ RU3X KO73                          a1
151215 -18 2254  R5GG RU3X 73
151245 -16 2254  CQ RU3X KO73
160030 -16 1200  RU3X R6OGV -05 (x2)
161030 -19 1736  CQ RU3X KO73 (x3)
161230 -20 1737  R2APC RU3X KO73 (x3)
161430 -21 1737  CQ RU3X KO73 (x2)

Decoder S/N history by band

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