R4FDP — FT8 activity observed at SO8OO

DXCC entity inferred from callsign: European Russia Locator transmitted in a decoded message: LO33

Receiver-side FT8 activity involving R4FDP, decoded by SO8OO in southeastern Poland. 496 related FT8 messages, 122 CQ messages, observed on 40m, 20m, 10m, across 21 UTC dates. Heard between 2026-05-21 and 2026-08-16.

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

496
Related messages
122
CQ messages
21
UTC dates heard
-5 dB
Mean decoder S/N

Bands

20m 40m 10m
First seen: 2026-05-21
Last seen: 2026-08-16 04:36 UTC

Frequent QSO partners observed at SO8OO

Stations R4FDP worked most often, as logged from our receiver:

Activity Heatmap

Locator transmitted by R4FDP

Approximate centre of LO33, decoded 2026-08-16 06:34 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 UTCBandR4FDP S/NCounterpartCounterpart S/NMsgsCapture
08-16 06:35 20m - / - SP1ZMO +1 / - 4 Partial capture
08-16 06:21 20m +4 / - OM3PC - / - 2 ✓ Closing fragment
08-16 06:20 20m 0 / -8 VK4MA -6 / +2 5 ✓ Full exchange observed
08-16 06:19 20m +4 / - 7Z1FF - / -9 3 Partial capture
08-06 11:34 20m -12 / - R9OAE - / - 2 Partial capture
08-06 11:32 20m - / -17 DL6MRM -12 / - 2 Partial capture
08-06 11:32 20m -14 / - DK4RH - / - 4 Partial capture
08-06 11:28 20m -14 / - DJ7XB - / - 4 Partial capture
08-06 11:26 20m -9 / - <...> - / +3 2 Partial capture
08-06 11:23 20m -15 / -15 UF4S/6 -21 / -11 3 Partial capture
08-06 11:22 20m -6 / - EG1UME - / - 2 Partial capture
08-06 11:20 20m -12 / - LY3I - / - 2 Partial capture
07-17 15:27 20m -9 / - PD4HT - / -20 2 Partial capture
07-17 15:22 20m - / -7 PB0ACU -4 / - 3 ✓ Closing fragment
07-17 15:16 20m - / - RC5F -15 / - 2 ✓ Closing fragment
07-17 15:10 20m - / -11 IK4TVP -9 / - 5 Partial capture
07-17 14:57 20m - / -6 IK2DUW -18 / - 2 ✓ Closing fragment
07-17 14:38 20m - / -13 UA6HBJ -9 / - 3 ✓ Closing fragment
07-11 14:47 20m - / - F4BYA -3 / - 6 Partial capture
07-11 14:45 20m - / +4 F4FSY -18 / - 2 Partial capture
07-11 14:42 20m - / -13 PD0HLA -13 / - 2 Partial capture
07-08 15:44 20m - / -5 DL5MK -6 / - 6 ✓ Closing fragment
07-08 15:43 20m - / - DJ1TU -10 / - 3 Partial capture
07-08 15:43 20m - / - RV9FF -13 / - 2 Partial capture
07-08 15:37 20m - / -10 PA8DC -10 / - 2 Partial capture
07-08 15:27 20m - / -8 DL3KVR 0 / - 2 ✓ Closing fragment
07-08 15:23 20m - / - DL3KVR +6 / - 3 Partial capture
07-08 15:23 20m - / -3 OE2KNN -8 / - 2 Partial capture
07-08 15:22 20m - / - DJ1TU -18 / - 2 Partial capture
07-08 15:22 20m - / - DD6UVO -8 / - 2 Partial capture
07-07 14:59 20m -12 / - RW3XB -11 / -6 3 ✓ Closing observed
07-07 14:50 20m -10 / - TA3NK - / -15 2 Partial capture
07-07 14:47 20m -12 / - R6FMK - / -7 2 ✓ Closing fragment
07-07 14:42 20m - / - UB3YCK -10 / - 21 Partial capture
07-07 14:40 20m -12 / -11 R2ZC -12 / - 3 ✓ Closing observed
07-07 14:38 20m - / +3 S52BT -9 / - 3 ✓ Closing fragment
07-07 14:32 20m -8 / - RA4HEV - / -3 2 ✓ Closing fragment
07-05 10:11 20m - / - DG5DR -5 / - 7 Partial capture
07-05 10:02 20m - / - DF8RU -5 / - 3 Partial capture
07-05 09:47 20m - / -16 DJ3BF -8 / - 7 ✓ Closing fragment
07-05 09:41 20m - / +1 RZ3DW -10 / - 3 ✓ Closing fragment
07-05 09:33 20m - / - SP5SE -14 / - 2 Partial capture
07-05 09:19 20m - / - SP5SE -20 / - 2 Partial capture
07-05 09:02 20m - / +1 SP9EVL -3 / - 11 Partial capture
07-05 08:53 20m - / -7 IK4LZH +6 / - 3 ✓ Closing fragment
07-05 08:47 20m - / -18 DK7UY -11 / - 3 ✓ Closing fragment
06-29 13:09 20m -6 / - BG2ATH - / -21 2 Partial capture
06-29 13:08 20m -5 / - 9M8DEN - / -20 2 Partial capture
06-29 12:13 10m - / -4 II5WWA -6 / - 2 ✓ Closing fragment
06-25 05:43 20m - / -1 R6LKF -10 / - 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
062030  +1  384  7Z1FF R4FDP -09
062045 -10 2207  R4FDP VK4MA QG64
062100  +4  384  CQ R4FDP LO33
062130  +3  384  OM3PC R4FDP +23 (x2)
062230  +0  384  VK4MA R4FDP +02
062245  -2  386  R4FDP VK4MA R-08 (x2)
063330  +6  384  CQ R4FDP LO33 (x3)
063515  +1  383  R4FDP SP1ZMO JO73 (x4)
10m 
UTC    dB Audio  Message
081615  -6  262  CQ R4FDP LO33 (x4)
082915 -10  279  C91RU R4FDP -21
095230 -14  924  A41ZZ R4FDP -08 (x3)
095430  -1  761  F8AEJ R4FDP -18
095445  -6  762  R4FDP F8AEJ R-04 (x4)
121300  -8  902  R4FDP II5WWA R-04 (x2)
40m 
UTC    dB Audio  Message
153115  -4 2424  R4FDP EU2ABM KO43 (x5)
153345 -18 1746  R4FDP RL3QGD KO91
153345  -5 2423  R4FDP EU2ABM KO43 (x6)
154630 -15 1245  R4FDP RA3ZGT KO81 (x3)

Decoder S/N history by band

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