R2FDU — FT8 station from Kaliningrad

Kaliningrad Grid: JO94

Amateur radio station R2FDU operating from Kaliningrad (grid square JO94). 1,368 FT8 spots received at SO8OO WebSDR, 289 CQ calls, active on 80m, 40m, 20m, 10m, over 45 days, best SNR +27 dB. Heard between 2026-04-21 and 2026-06-12.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

1,368
Total spots
289
CQ calls
45
Days active
-5 dB
Avg SNR

Bands

80m 20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-06-12 09:19 UTC

Frequent QSO partners observed at SO8OO

Stations R2FDU worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandR2FDUPartnerPartner SNRMsgs
06-12 11:16 20m - / -15 RL9M +5 / - 2 Partial
06-12 11:13 20m -10 / - EA3JEZ - / - 2 Partial
06-12 10:56 20m -13 / -9 RA0FF -1 / - 3 ✓ Verified
06-12 10:52 20m - / -12 UE7RU -1 / - 3 Partial
06-12 10:34 20m -4 / -15 R3BCK -6 / -11 9 ✓ Complete
06-12 10:33 20m - / -14 R3TH -14 / - 2 Partial
06-12 10:31 20m -12 / - RT4A/P -2 / -2 3 ✓ Verified
06-12 06:36 20m - / -20 PJ2AFM -12 / - 2 Partial
06-12 06:31 20m +1 / - OE3EPW -17 / +2 5 ✓ Complete
06-11 18:34 20m -4 / -6 R1BDX -10 / -6 3 ✓ Complete
06-11 18:32 20m -4 / - JE2URF -2 / -24 2 ✓ Verified
06-11 18:17 20m +5 / - R3WA - / -1 2 ✓ Confirmed
06-11 13:23 20m - / -9 OK2HRL +7 / - 9 ✓ Confirmed
06-11 13:21 20m -4 / -9 R6FEP +12 / -18 5 ✓ Complete
06-11 13:18 20m - / -15 R3BGU +12 / - 2 ✓ Confirmed
06-11 05:28 20m - / -20 HP2NG +12 / - 2 ✓ Confirmed
06-11 05:22 20m - / -5 RZ1OA -4 / - 2 Partial
06-11 05:16 20m - / -15 TI5RR -4 / - 5 Partial
06-11 04:32 20m - / -18 RY6O +1 / - 2 ✓ Confirmed
06-11 04:31 20m - / -16 R4AJ -1 / - 2 ✓ Confirmed
06-11 04:28 20m -12 / -14 YL2KF +2 / -13 6 ✓ Complete
06-11 04:26 20m - / -13 K8KWT +4 / - 2 ✓ Confirmed
06-10 22:32 20m 0 / - YO3JR - / -8 2 ✓ Confirmed
06-10 22:22 20m -14 / - JH1LPZ - / -16 5 ✓ Confirmed
06-10 21:31 20m -10 / - PS8CW - / -17 2 ✓ Confirmed
06-10 21:18 20m -18 / - TA4KO - / -7 2 ✓ Confirmed
06-10 21:12 20m -7 / - DK9MLA - / - 2 Partial
06-10 20:05 20m - / -9 SP9MUS +10 / - 2 ✓ Confirmed
06-10 20:03 20m - / -13 SQ5JMO +5 / - 2 Partial
06-10 11:11 20m +8 / - G4CFS - / -17 2 ✓ Confirmed
06-10 11:06 20m -1 / - UE6DR - / +4 2 ✓ Confirmed
06-10 11:04 20m -16 / - UE6RU - / - 2 ✓ Confirmed
06-09 20:18 20m -6 / - BG2EFX - / -12 3 ✓ Confirmed
06-09 20:13 20m -15 / - BA8BLK - / -9 2 ✓ Confirmed
06-09 17:48 20m -3 / - TA1BMD -13 / - 2 ✓ Verified
06-08 14:26 20m +5 / -15 F1USN +4 / - 3 ✓ Verified
06-08 14:24 20m -4 / - OZ1SMB - / - 2 Partial
06-08 14:22 20m - / -11 A61SD +6 / - 2 Partial
06-08 14:10 20m - / -1 <...> +7 / - 2 Partial
06-08 13:22 20m - / -17 RA3VMK -2 / - 2 ✓ Confirmed
06-08 13:21 20m - / -8 R4HEN -4 / - 2 Partial
06-08 13:02 20m +6 / - II1NAP - / -6 2 ✓ Confirmed
06-08 12:28 20m -9 / - IW5ALZ - / - 2 ✓ Confirmed
06-08 11:58 20m +14 / - E75AA - / +7 2 ✓ Confirmed
06-08 11:13 20m -8 / - PD0PHA - / - 8 Partial
06-07 14:27 20m -8 / - RW3TY - / +3 2 Partial
06-07 14:26 20m 0 / - RA6OV - / +9 2 ✓ Confirmed
06-07 14:13 20m +3 / - F6CAX - / -4 3 ✓ Confirmed
06-07 14:09 20m +2 / - R1OAX - / -11 2 Partial
06-07 14:02 20m -2 / - R4CCE - / - 2 Partial

Station Log

20m 
UTC    dB  Freq  Message
105630  -4 1230  RA0FF R2FDU -09 (x2)
105715 -13 2596  R2FDU RA0FF 73
105830  -6 1231  R0ADA R2FDU -19
105930  +4 1231  R1BNG/P R2FDU -12
110400  +1 1230  <...> R2FDU -15
110430  +3 1230  CQ R2FDU JO94 (x3)
111345 -11  827  R2FDU EA3JEZ JN11 (x2)
111630  +6 2342  RL9M R2FDU -15 (x2)
111800  +6 2343  EA3JEZ R2FDU -12
111900  +3 2343  CQ R2FDU JO94
10m 
UTC    dB  Freq  Message
083245 -12 1082  R2FDU RA3RPJ LO12
083545 -12 2039  R2FDU RA4ADF LN28 (x4)
090600  +8 2959  R2FDU <...> -09
091300 -18 1054  R2FDU FR4AW LG79 (x2)
091330 -19 1816  R2FDU R6BH R-07 (x2)
092215 -24 1325  R2FDU RZ6L KN97
092215  -9 1652  R2FDU EA3DG JN11 (x4)
40m 
UTC    dB  Freq  Message
053445 -18 1876  CQ R2FDU JO94 (x3)
053730 -19 1839  F4IIX R2FDU -17 (x2)
053830 -18 1839  R1AI R2FDU -10
053930 -17 1839  CQ R2FDU JO94 (x3)
054115 -13 1149  R2FDU DM9YL JO60
054230 -13 1838  DH1HF R2FDU -18
054245 -10  550  R2FDU DH1HF R-09
054300 -14 1838  DH1HF R2FDU RR73
054330 -16 1839  IK4LZH R2FDU -12 (x2)
80m 
UTC    dB  Freq  Message
210315 -12 1770  R2FDU DL1SA -13
210330 -18 1184  SP2LLP R2FDU RR73
210345  +5 1183  R2FDU SP2LLP 73
210345 -15 1448  R2FDU DL1SA -12
210400 -14 1184  CQ R2FDU JO94
210415  +1 1204  R2FDU DO6MFD -09
210430 -17 1184  DO6MFD R2FDU R-07
210445  +2 1204  R2FDU DO6MFD RR73
210600 -21 1184  CQ R2FDU JO94
210630 -13 1184  F1HSY R2FDU -16 (x5)
211045 -13 1800  CQ R2FDU JO94

SNR History by Band