RT3K — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KN99

Receiver-side FT8 activity involving RT3K, decoded by SO8OO in southeastern Poland. 773 related FT8 messages, 287 CQ messages, observed on 80m, 40m, 20m, 10m, across 39 UTC dates. Heard between 2026-05-31 and 2026-08-24.

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

773
Related messages
287
CQ messages
39
UTC dates heard
-8 dB
Mean decoder S/N

Bands

80m 40m 20m 10m
First seen: 2026-05-31
Last seen: 2026-08-24 01:21 UTC

Frequent QSO partners observed at SO8OO

Stations RT3K worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RT3K

Approximate centre of KN99, decoded 2026-08-23 18:35 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 UTCBandRT3K S/NCounterpartCounterpart S/NMsgsCapture
08-24 03:20 80m -19 / +3 EW8AAC -24 / -8 4 ✓ Full exchange observed
08-23 18:10 40m - / -12 UN0PA -10 / - 2 ✓ Closing fragment
08-02 19:23 40m - / -8 UB6OAJ -4 / - 3 ✓ Closing fragment
08-02 19:22 40m - / -9 SP7TF -8 / - 3 ✓ Closing fragment
07-25 06:41 40m - / -9 <...> -14 / - 2 Partial capture
07-24 18:49 40m - / -10 R2SN -7 / - 2 ✓ Closing fragment
07-24 18:45 40m - / - RC6OX -14 / - 2 ✓ Closing fragment
07-24 18:42 40m - / -1 R6OIZ -10 / - 2 ✓ Closing fragment
07-24 18:41 40m - / - RC6OX -12 / - 2 Partial capture
07-24 18:41 40m -13 / -3 RD6ZQ -2 / -11 3 ✓ Full exchange observed
07-24 18:38 40m -13 / - EW8AAC - / -5 3 ✓ Closing fragment
07-24 18:36 40m -18 / - R70OBN -7 / -2 2 Partial capture
07-24 18:35 40m -17 / -8 RT7B -10 / - 3 ✓ Closing observed
07-24 18:29 80m +2 / -3 R3DFS -12 / -2 4 ✓ Full exchange observed
07-24 18:29 80m -2 / -5 YO4NT +8 / +1 4 ✓ Full exchange observed
07-24 07:37 10m -18 / - YU1BV - / -9 3 ✓ Closing fragment
07-24 07:31 10m -18 / - RA9ACA - / -5 2 ✓ Closing fragment
07-24 06:26 10m -10 / - RF9C - / +1 4 Partial capture
07-24 06:21 10m -12 / - SP5TL - / -8 2 ✓ Closing fragment
07-24 06:17 10m -14 / - RA3IAI - / +5 2 ✓ Closing fragment
07-24 06:16 10m -16 / - UA9SAV - / +2 2 ✓ Closing fragment
07-23 23:57 40m -14 / - K1ST - / - 2 Partial capture
07-23 23:43 40m -19 / - N1SK - / -21 3 Partial capture
07-23 09:32 10m -22 / - OM3CPV - / - 2 ✓ Closing fragment
07-23 09:30 10m -19 / - R3XBB - / -7 2 ✓ Closing fragment
07-23 08:59 10m -22 / - SP8MO - / -5 2 ✓ Closing fragment
07-23 08:35 10m - / -18 DK4FP -2 / - 3 ✓ Closing fragment
07-23 08:24 10m - / -12 YT5DL -16 / - 2 ✓ Closing fragment
07-23 06:53 10m -16 / - RA1OD - / 0 2 ✓ Closing fragment
07-23 06:51 10m -12 / - RD4HX - / -10 3 ✓ Closing fragment
07-23 06:47 10m -13 / - YO3GNF - / +4 2 ✓ Closing fragment
07-23 06:46 10m -12 / - RD3MF - / 0 2 ✓ Closing fragment
07-23 06:41 10m -19 / - OK1FHI - / -2 2 ✓ Closing fragment
07-23 06:39 10m -16 / - RA1PO - / -3 2 ✓ Closing fragment
07-23 06:26 10m -8 / - R1QD - / +4 2 ✓ Closing fragment
07-23 06:21 10m -11 / - LY3IG - / -5 3 Partial capture
07-23 06:14 10m -4 / - RN6MA - / -15 10 Partial capture
07-23 01:48 40m -20 / - CG2C - / -14 2 Partial capture
07-23 01:33 40m - / - RL6MT -20 / - 2 ✓ Closing fragment
07-22 15:12 20m -10 / - IV3GHY - / -6 3 ✓ Closing fragment
07-22 15:06 20m -10 / -7 DL6UM -16 / -18 3 Partial capture
07-22 15:02 20m - / - DL6UM -16 / - 2 Partial capture
07-22 14:46 20m - / -6 OE1AES -13 / - 5 Partial capture
07-22 09:18 10m -8 / -15 DO7TTR -14 / -15 5 ✓ Full exchange observed
07-22 09:16 10m -8 / - DL1CC - / -11 3 ✓ Closing fragment
07-22 01:54 40m - / - F1IQH -9 / - 2 Partial capture
07-21 07:49 10m - / +2 F5ADE -17 / - 2 ✓ Closing fragment
07-21 05:42 10m -18 / - R9OFA - / - 6 Partial capture
07-21 05:39 10m -13 / - EX8ABR - / - 2 ✓ Closing fragment
07-21 03:23 20m -13 / - W5DAH - / - 5 Partial capture

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
182945  +7 1530  RT3K OK1MOW R-18
182915  +0 2227  YO4NT RT3K +01
182930 -12 1724  RT3K R3DFS -03
182930  +7 1508  RT3K YO4NT R-05
182945  -5 2227  YO4NT RT3K RR73
183000  +9 1508  RT3K YO4NT 73
183015  -3 2227  R3DFS RT3K R-02 (x3)
183130 -21  991  RT3K R4AFR/4 R+06
182545  -6 1418  RT3K <...> R-13
032045 -17 1698  EW8AAC RT3K -08
032100 -24 1696  RT3K EW8AAC R+03
032115 -21 1696  EW8AAC RT3K RR73
032130 -24 1697  RT3K EW8AAC 73
40m 
UTC    dB Audio  Message
184600 -13 2385  RT3K RC6OX 73
184915  -8 1083  RT3K R2SN R-10 (x2)
064115 -12 1024  RT3K <...> R-09 (x2)
192200  -7 2570  RT3K SP7TF -09 (x3)
192330  -4  528  RT3K UB6OAJ -08 (x3)
182100 -18 2318  RT3K SV9GPV R+13
181015 -11 2286  RT3K UN0PA -12 (x2)
183530 -12  592  R0LM RT3K KN99
10m 
UTC    dB Audio  Message
062115 -11 1054  SP5TL RT3K -08 (x2)
062215 -18 1054  RY2A RT3K -09
062600  -8 1053  RF9C RT3K +01 (x4)
073100 -20 1925  RA9ACA RT3K -05 (x2)
073230 -14 2413  LZ2RR RT3K RR73
073445 -14 2248  RQ7R RT3K -04
073615 -17 1096  R9FFX RT3K RR73
073700 -17 1466  YU1BV RT3K -09 (x3)
20m 
UTC    dB Audio  Message
150545 -13 1447  RT3K RA0UB OO62
150545 -13  942  RT3K G7RCQ IO91
150600 -10  445  DL6UM RT3K -18 (x2)
150745 -16 1138  RT3K DL6UM R-07
150930 -11  445  CQ RT3K KN99 (x2)
151200  -9  446  IV3GHY RT3K R-06 (x3)
152530 -12  446  CQ RT3K KN99 (x2)
191345 -20 2201  K1SM RT3K 73
030545  -9  725  RT3K 5Z4VJ KI88
033645 -20 2072  K9STL RT3K KO90

Decoder S/N history by band

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