R2DDN — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: KO85

Receiver-side FT8 activity involving R2DDN, decoded by SO8OO in southeastern Poland. 291 related FT8 messages, observed on 160m, 80m, 40m, 20m, 10m, across 35 UTC dates. Heard between 2026-05-26 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

291
Related messages
0
CQ messages
35
UTC dates heard
-5 dB
Mean decoder S/N

Bands

80m 20m 40m 10m 160m
First seen: 2026-05-26
Last seen: 2026-08-21 18:15 UTC

Frequent QSO partners observed at SO8OO

Stations R2DDN worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R2DDN

Approximate centre of KO85, decoded 2026-08-18 18:00 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 UTCBandR2DDN S/NCounterpartCounterpart S/NMsgsCapture
08-21 20:14 40m -20 / -6 DL6RU -6 / - 3 ✓ Closing observed
08-21 20:03 40m - / -5 PD1AQL 0 / - 2 ✓ Closing fragment
08-18 18:00 80m -15 / - LY8O - / - 2 Partial capture
08-18 17:56 80m -15 / -2 RD3K +6 / +2 3 ✓ Full exchange observed
08-18 17:53 80m -18 / - RA4PIS - / -20 2 Partial capture
08-18 17:50 80m -12 / - DL6RDE - / - 2 Partial capture
08-17 19:53 40m - / -13 DJ1OJ -8 / - 2 ✓ Closing fragment
08-17 19:44 40m - / -15 SP7TF -9 / - 3 ✓ Closing fragment
08-17 19:40 40m - / -14 DL3MIB +8 / - 3 ✓ Closing fragment
08-17 18:28 40m - / -7 RZ6AKF -10 / - 2 ✓ Closing fragment
08-17 18:21 40m - / -12 R3LCW -10 / - 2 ✓ Closing fragment
08-17 18:20 40m - / - OE3RWR -9 / - 2 ✓ Closing fragment
08-15 19:41 40m - / -18 ON8LX -7 / - 2 ✓ Closing fragment
08-12 20:00 20m - / -17 PD0MNO -16 / - 2 Partial capture
08-12 19:55 20m - / - S56KO -9 / - 2 ✓ Closing fragment
08-09 19:46 20m - / -16 EA8AT -18 / - 2 ✓ Closing fragment
08-09 18:57 20m - / -14 R2EA +2 / - 6 ✓ Closing fragment
08-07 17:35 20m - / -11 ON5MGA -4 / - 2 ✓ Closing fragment
08-06 19:59 40m - / -12 DL7ARV -3 / - 4 ✓ Closing fragment
08-06 19:53 40m - / -4 G7HEB -24 / - 2 ✓ Closing fragment
08-06 19:48 40m - / -4 RA3WY -15 / - 3 ✓ Closing fragment
08-06 19:17 40m - / -11 F5MJN -12 / - 2 ✓ Closing fragment
08-06 19:13 40m - / -11 RK4FH -16 / - 2 ✓ Closing fragment
08-06 18:21 40m - / -15 OM3PC -13 / - 3 ✓ Closing fragment
08-01 19:37 20m -4 / - M6WRB - / -16 3 Partial capture
07-30 18:52 40m - / -2 SV1BLD 0 / - 2 Partial capture
07-30 17:53 40m - / -19 RA3ZOM -14 / - 2 ✓ Closing fragment
07-29 19:39 80m +9 / -13 DP6SEVEN -6 / -20 3 Partial capture
07-29 19:37 80m -1 / -8 DO9KB +4 / -10 5 ✓ Full exchange observed
07-29 19:33 80m -12 / -16 R2AZK/1 -16 / -8 3 Partial capture
07-29 19:30 80m -7 / -10 RL3F -3 / -3 5 ✓ Full exchange observed
07-29 19:25 80m -6 / -14 ER3RR +6 / -11 4 ✓ Full exchange observed
07-29 19:21 80m -14 / -5 R7OF +4 / +1 5 ✓ Full exchange observed
07-29 19:18 80m 0 / +1 RA3MT -2 / +3 5 ✓ Full exchange observed
07-29 19:13 80m -4 / - R7KM - / -14 2 Partial capture
07-29 19:12 80m -2 / +4 RA2FU +6 / -10 6 ✓ Full exchange observed
07-29 19:09 80m +7 / -4 R4NBV 0 / +1 5 ✓ Full exchange observed
07-29 19:07 80m -1 / +8 R70OBN 0 / +1 5 ✓ Full exchange observed
07-29 19:04 80m 0 / +1 RA3WY +4 / +2 6 ✓ Full exchange observed
07-29 19:02 80m -4 / -6 UA9FKM -16 / -6 5 ✓ Full exchange observed
07-29 19:01 80m -6 / -12 UA1NAN -18 / -12 5 ✓ Full exchange observed
07-27 18:56 40m - / -12 9A6NCC -7 / - 2 ✓ Closing fragment
07-22 19:11 20m - / -23 DL3BF -12 / - 2 Partial capture
07-21 18:13 40m - / -16 UB6OCD -2 / - 2 ✓ Closing fragment
07-16 20:26 80m -5 / +3 R3QX -3 / +1 5 ✓ Full exchange observed
07-16 20:24 80m +2 / -4 OH3NXW +23 / - 2 ✓ Closing observed
07-16 20:23 80m -1 / +6 <...> -11 / -7 2 Partial capture
07-16 20:22 80m -10 / - LZ1DQQ - / - 2 Partial capture
07-16 20:18 80m -8 / -5 SQ8DSN +10 / -3 4 ✓ Full exchange observed
07-16 20:18 80m - / +2 RA3TVW -4 / - 6 ✓ Closing fragment

Recent FT8 messages decoded at SO8OO

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

40m 
UTC    dB Audio  Message
194415 -10 1024  R2DDN UB3LBU KO63
194415 -10  238  R2DDN SP7TF -15 (x3)
194715  -9 1025  R2DDN UB3LBU 73
195315  -9 1631  R2DDN DJ1OJ -13 (x2)
195815 -17 1278  R2DDN ON4NYO -09
200545 -23 1635  R2DDN LZ4NV +02
200345  -3 2879  R2DDN PD1AQL -05 (x2)
201330 -18 1592  R2DDN SY1EKX RR73
201430  -5  219  R2DDN DL6RU -06 (x2)
201515 -20  232  DL6RU R2DDN 73
20m 
UTC    dB Audio  Message
173530  -7  347  R2DDN ON5MGA RR73
185715  +3  563  R2DDN R2EA -14 (x6)
194645 -17 1771  R2DDN EA8AT -16 (x2)
195515  -9 2579  R2DDN S56KO RRR (x2)
200000 -17 2172  R2DDN PD0MNO -17 (x2)
200700 -10 2311  R2DDN OE/DG7CF -10
180815 -11 2126  R2DDN RL3FA KO85
80m 
UTC    dB Audio  Message
193800  +0  834  DO9KB R2DDN 73
193930  +9  447  DP6SEVEN R2DDN KO85
193945  -6  447  R2DDN DP6SEVEN -13
194000  +9  446  DP6SEVEN R2DDN R-20
174930 -14 1003  LY8O R2DDN KO85
175030 -12 1673  DL6RDE R2DDN KO85 (x2)
175345 -16 1780  RA4PIS R2DDN R-20 (x2)
175600  +6 1275  R2DDN RD3K -02
175615 -15 1275  RD3K R2DDN R+02
175630  +5 1276  R2DDN RD3K RR73
175815 -12 1275  RQ3D R2DDN -12
180000 -12 1003  LY8O R2DDN KO85 (x2)
10m 
UTC    dB Audio  Message
151700 -14  912  PY5RH R2DDN KO85
152645 -14  974  DO1NUE R2DDN 73
152745 -18  974  HG3FMZ R2DDN -12 (x2)
152915 -24 1843  <...> R2DDN KO85
153045 -20 1512  DN9NP R2DDN R-20
065400 +16 2883  R2DDN LB8MG +02 (x2)
160m 
UTC    dB Audio  Message
195630 -11 1071  R2DDN R2EA -08

Decoder S/N history by band

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