RA3TK — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO16

Receiver-side FT8 activity involving RA3TK, decoded by SO8OO in southeastern Poland. 581 related FT8 messages, 5 CQ messages, observed on 80m, 40m, 20m, 10m, across 62 UTC dates. Heard between 2026-05-25 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

581
Related messages
5
CQ messages
62
UTC dates heard
-6 dB
Mean decoder S/N

Bands

80m 20m 40m 10m
First seen: 2026-05-25
Last seen: 2026-08-23 15:17 UTC

Frequent QSO partners observed at SO8OO

Stations RA3TK worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by RA3TK

Approximate centre of LO16, decoded 2026-08-23 17:17 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 UTCBandRA3TK S/NCounterpartCounterpart S/NMsgsCapture
08-23 17:17 80m -9 / -9 UA9FFV -20 / -9 4 ✓ Full exchange observed
08-23 16:56 80m -17 / - R1530IG -6 / - 3 ✓ Closing observed
08-23 16:56 80m -16 / -2 R7CD 0 / - 5 ✓ Closing observed
08-23 16:56 80m -17 / +2 <...> -10 / +4 2 Partial capture
08-21 14:56 20m - / -3 F5OYA/P +18 / - 2 Partial capture
08-21 14:44 20m - / -12 SP9KDA -3 / - 6 Partial capture
08-21 14:22 40m - / - R4UAS -18 / - 2 ✓ Closing fragment
08-21 14:21 40m - / -11 UA3DPM -4 / - 2 ✓ Closing fragment
08-17 17:20 80m - / - RK4UZ -18 / - 2 Partial capture
08-16 17:09 80m - / -6 R5ACQ -18 / - 3 ✓ Closing fragment
08-16 16:14 40m -16 / - DA0LH - / - 2 Partial capture
08-15 15:48 40m - / -9 EU2NS -10 / - 5 ✓ Closing fragment
08-14 17:19 80m - / -9 R3PJ -4 / - 3 ✓ Closing fragment
08-14 17:06 80m -16 / - RW3BK - / -10 2 Partial capture
08-14 16:37 80m -15 / - R9UBP - / -20 2 Partial capture
08-12 17:20 80m - / +3 R50RKZ -9 / - 2 ✓ Closing fragment
08-11 07:58 10m - / -8 IK2SND -12 / - 2 ✓ Closing fragment
08-10 16:43 40m - / -5 UR7FM -6 / - 2 ✓ Closing fragment
08-10 16:37 40m -13 / - SQ9KWY - / -12 5 ✓ Closing fragment
08-10 16:27 40m - / - IK6GPZ -4 / - 9 Partial capture
08-10 16:21 40m - / -18 DK6IF -10 / - 2 ✓ Closing fragment
08-09 15:54 40m - / -12 SQ9M -18 / - 2 Partial capture
08-08 17:14 80m -4 / - RA0SCA - / -14 4 ✓ Closing fragment
08-08 17:11 80m -9 / - EN35UKR - / - 3 Partial capture
08-08 17:00 80m -12 / - RA0SCA - / - 2 Partial capture
08-08 16:57 80m -20 / - <...> - / +2 2 Partial capture
08-07 15:40 40m - / -4 SQ2GXO -6 / - 2 ✓ Closing fragment
08-07 15:26 20m -4 / - 3B8GL - / - 2 Partial capture
08-05 18:32 80m -6 / -19 UR5ZGY +5 / -14 5 ✓ Full exchange observed
08-05 18:23 80m -10 / -8 R6ZEJ -2 / - 5 ✓ Closing observed
08-05 18:22 80m -17 / -13 SV2BWY -1 / - 2 Partial capture
08-05 18:17 80m -9 / - RA3ZOM +6 / -12 3 ✓ Closing observed
08-05 18:06 80m -21 / -12 <...> -8 / 0 5 Partial capture
08-05 17:58 80m -24 / - R4FAH - / -3 2 ✓ Closing fragment
08-05 17:54 80m -19 / -13 RA3ZOM +2 / -10 6 ✓ Full exchange observed
08-05 17:52 80m -17 / -15 R9UBP -10 / -17 5 ✓ Full exchange observed
08-04 14:58 40m - / -22 DK4FH -12 / - 2 Partial capture
08-02 18:00 80m -6 / - RA0SCA - / - 3 Partial capture
08-02 17:57 80m -12 / - RA0SCA - / - 2 Partial capture
08-02 17:51 80m -13 / - RA0SCA - / - 6 Partial capture
08-02 17:42 80m -4 / -10 RA1QEA -2 / -5 4 ✓ Full exchange observed
08-02 17:32 80m -12 / +2 RA3TVW -7 / -1 4 ✓ Full exchange observed
08-02 17:28 80m -12 / - RA0SCA - / - 9 Partial capture
08-02 16:42 80m - / +1 R2GFD +3 / - 3 ✓ Closing fragment
08-01 17:40 80m -5 / -15 ZS6WAB -7 / -20 7 ✓ Full exchange observed
08-01 17:26 80m -11 / -4 UA3RMB +2 / -3 5 ✓ Full exchange observed
08-01 17:24 80m -14 / - UB3ADO/P - / -12 2 ✓ Closing fragment
08-01 16:36 40m -20 / - RA3WY -17 / -14 4 ✓ Closing observed
08-01 16:23 40m - / +3 EU6UE -15 / - 2 Partial capture
07-30 13:47 20m -16 / -13 PA2PS -17 / -22 8 ✓ Full exchange observed

Recent FT8 messages decoded at SO8OO

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

80m 
UTC    dB Audio  Message
172115 -17 1948  RA3TK RK4UZ LO24
165615 -10 1366  RA3TK <...> +02
165630 -17 1369  <...> RA3TK R+04
165645  -4 1366  <RA3TK> R1530IG RR73
165645  +1 1443  RA3TK R7CD KN94
165700 -17 1369  R1530IG RA3TK 73
165715  +2 1443  RA3TK R7CD KN94
165745  -7 1366  RA3TK R1530IG 73
165745  +0 1443  RA3TK R7CD R-02
165800 -16 1447  R7CD RA3TK RR73
165815  -1 1444  RA3TK R7CD 73
171730  -9 2399  UA9FFV RA3TK LO16
171745 -20 2395  RA3TK UA9FFV -09
171800  -9 2400  UA9FFV RA3TK R-09 (x2)
40m 
UTC    dB Audio  Message
154815  -9 1266  RA3TK EU2NS -09 (x5)
161415 -14 2251  DA0LH RA3TK LO16 (x2)
162030 -12  821  R4HNT RA3TK LO16
162330 -19 1725  RA3TK HA8LD -09
165300 -10  848  RA3TK UA3PTY RR73
142100  -4 2370  RA3TK UA3DPM -11 (x2)
142200 -18 1987  RA3TK R4UAS KO85 (x2)
162445 -19 2362  R1530IG RA3TK LO16
20m 
UTC    dB Audio  Message
135330 -13 1576  PA2PS RA3TK 73
152630  -5 1172  3B8GL RA3TK LO16 (x2)
144400  -2 2835  RA3TK SP9KDA -12 (x4)
144630 -12 2072  RA3TK F4LMX -07
144630  +0 2835  RA3TK SP9KDA +00 (x2)
145600 +16 2601  RA3TK F5OYA/P -03 (x2)
150730 -17 1353  RA3TK ON4FHM RR73
151030 -14 2155  RA3TK PD5MVH RR73
151515  +8 2332  RA3TK F1THK RR73
10m 
UTC    dB Audio  Message
082745  +5 1665  RA3TK RU6L -11 (x2)
071900 -23 1551  RA3TK LB2WD -15
073915 -17 1467  RA3TK R7NO -14 (x2)
104645  -5  898  RA3TK SV2CLJ -11 (x2)
082915 -13 2325  RA3TK UF6VX +00
084945 -16 2365  RA3TK RX7T -08
132945 -17 1237  RA3TK R7YZ -01
133145  -6 1335  RA3TK <...> -18
134330 -14 2580  RA3TK RW6MDU +00 (x2)
075815 -11  782  RA3TK IK2SND -08 (x2)

Decoder S/N history by band

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