R4FDD — FT8 station from European Russia
Amateur radio station R4FDD operating from European Russia. 1,604 FT8 spots received at SO8OO WebSDR, 75 CQ calls, active on 160m, 80m, 40m, 20m, 10m, over 25 days, best SNR +25 dB. Heard between 2026-04-21 and 2026-05-17.
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Overview
1,604
Total spots
75
CQ calls
25
Days active
-4 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-21
Last seen: 2026-05-17 02:17 UTC
Last seen: 2026-05-17 02:17 UTC
Frequent QSO partners observed at SO8OO
Stations R4FDD worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | R4FDD | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-17 04:16 | 20m | +2 / -9 | R6ZS | -2 / -5 | 4 | ✓ Complete |
| 05-17 04:13 | 20m | - / -16 | RK0SC | -4 / - | 2 | Partial |
| 05-17 04:08 | 20m | -6 / -3 | R7LX | +2 / - | 4 | ✓ Complete |
| 05-17 03:33 | 20m | - / -15 | UA9OIY | -13 / - | 3 | ✓ Confirmed |
| 05-17 03:26 | 20m | - / -9 | R8QA | -15 / - | 3 | ✓ Confirmed |
| 05-17 03:24 | 20m | -24 / -15 | RK4F | -15 / -8 | 2 | Partial |
| 05-17 03:21 | 20m | - / -2 | RU0ACM | -5 / - | 2 | Partial |
| 05-17 03:14 | 20m | - / -22 | KM4RKH | -10 / - | 3 | ✓ Confirmed |
| 05-17 03:10 | 20m | +8 / - | R0AX | -3 / -10 | 2 | ✓ Verified |
| 05-17 03:01 | 20m | - / -16 | R9FDE/P | -12 / - | 2 | ✓ Confirmed |
| 05-16 18:55 | 160m | -12 / - | UA3ZUX | - / -2 | 2 | ✓ Confirmed |
| 05-16 18:54 | 160m | -4 / - | R3SV | - / -4 | 3 | ✓ Confirmed |
| 05-16 18:52 | 160m | -12 / - | RU3DNN | -21 / +1 | 4 | ✓ Complete |
| 05-16 18:46 | 160m | -5 / -9 | R2DGN | -23 / -1 | 3 | ✓ Complete |
| 05-16 18:40 | 160m | +5 / - | RA3DA | -23 / - | 2 | ✓ Verified |
| 05-16 18:33 | 80m | 0 / - | RM5F | -7 / +2 | 3 | ✓ Verified |
| 05-16 18:30 | 80m | - / - | UA3VVA | -20 / - | 2 | Partial |
| 05-16 18:26 | 80m | -11 / - | RA4L | - / -4 | 2 | ✓ Confirmed |
| 05-16 18:25 | 80m | -19 / - | RA6UAR | -21 / - | 2 | ✓ Verified |
| 05-16 18:19 | 80m | - / -2 | RW6MZ | -20 / - | 2 | Partial |
| 05-16 18:13 | 80m | - / -1 | R4NBV | -10 / - | 2 | ✓ Confirmed |
| 05-16 18:11 | 80m | - / - | R6OQ | -12 / - | 2 | ✓ Confirmed |
| 05-16 18:10 | 80m | 0 / - | R6MO | -15 / -5 | 3 | ✓ Verified |
| 05-16 18:09 | 80m | -8 / - | RK4PR | -14 / -2 | 3 | ✓ Verified |
| 05-16 18:08 | 80m | -1 / - | R3ES | - / -6 | 2 | ✓ Confirmed |
| 05-16 17:57 | 40m | -2 / - | R1CF | - / -3 | 2 | Partial |
| 05-16 17:53 | 40m | -7 / - | RA6UAR | - / -10 | 2 | ✓ Confirmed |
| 05-16 17:46 | 40m | - / -6 | UB8AHK | -6 / - | 2 | Partial |
| 05-16 17:44 | 40m | - / -11 | RA9SJG | -11 / - | 2 | ✓ Confirmed |
| 05-16 17:43 | 40m | +3 / - | UA3NFI | - / -12 | 2 | ✓ Confirmed |
| 05-16 17:41 | 40m | - / -16 | RC7LX | -16 / - | 2 | ✓ Confirmed |
| 05-16 11:31 | 20m | -6 / - | UB6OAK | - / -3 | 2 | ✓ Confirmed |
| 05-16 11:26 | 20m | +4 / - | R6AO | - / -7 | 3 | Partial |
| 05-16 11:19 | 20m | - / -8 | R0SAU | -16 / - | 2 | ✓ Confirmed |
| 05-16 11:06 | 20m | - / - | IW0BNW | -11 / - | 3 | Partial |
| 05-16 11:02 | 20m | - / - | 4Z5PG | +4 / - | 4 | Partial |
| 05-16 11:01 | 20m | - / - | 9A5WA | -4 / - | 2 | Partial |
| 05-16 10:58 | 20m | -12 / -18 | R9UG | -4 / -13 | 5 | Partial |
| 05-16 10:57 | 20m | +6 / -11 | R6DOB/7 | +3 / -12 | 3 | Partial |
| 05-16 10:53 | 20m | -18 / -19 | IU0KNS | -4 / -8 | 4 | Partial |
| 05-16 10:48 | 20m | - / - | UT5ZC | -2 / - | 2 | Partial |
| 05-16 10:46 | 20m | - / - | YU1EU | -1 / - | 3 | Partial |
| 05-16 10:43 | 20m | - / - | YL3GQ | 0 / - | 3 | Partial |
| 05-16 10:41 | 20m | -6 / -24 | I1JZV | +2 / -18 | 6 | ✓ Complete |
| 05-16 10:39 | 20m | - / - | <...> | +4 / - | 3 | Partial |
| 05-16 10:36 | 20m | - / -18 | LB0IJ | +2 / - | 4 | Partial |
| 05-16 10:33 | 20m | - / - | SQ9ONP | +3 / - | 3 | Partial |
| 05-16 10:31 | 20m | - / - | MM0KQC | +2 / - | 3 | Partial |
| 05-16 10:29 | 20m | - / - | G0ORH | -3 / - | 3 | Partial |
| 05-16 10:27 | 20m | - / - | DF0CHE | +3 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 033645 -12 2016 CQ RU R4FDD LO33 (x2) 033915 +3 2016 RA6AVP R4FDD RR73 034830 -5 2224 UA9LP R4FDD -13 040830 +3 1989 R7LX R4FDD -03 040845 -5 1988 R4FDD R7LX R+00 040900 +2 1988 R7LX R4FDD RR73 040915 -8 1987 R4FDD R7LX 73 041230 -8 2035 R7HL R4FDD -03 041345 -6 1299 RK0SC R4FDD -16 (x2) 041630 -5 754 R6ZS R4FDD -09 041645 +6 754 R4FDD R6ZS R-05 041700 +0 755 R6ZS R4FDD RR73 041715 -1 754 R4FDD R6ZS 73
160m
UTC dB Freq Message 184715 -12 1834 R4FDD R3SV R-03 184815 -24 1732 RU3DBT R4FDD -15 185200 -21 1732 RU3DNN R4FDD +00 185215 -13 1247 R4FDD RU3DNN R+01 185230 -21 1732 RU3DNN R4FDD RR73 185245 -10 1247 R4FDD RU3DNN 73 185415 -1 1834 R4FDD R3SV R-04 185415 -19 1731 RU3DBT R4FDD RR73 185445 -1 1834 R4FDD R3SV R-04 (x2) 185545 -10 2046 R4FDD UA3ZUX R-02 (x2) 185945 -24 1622 R4FDD RZ4M R-05 190115 -15 1478 R4FDD UI5A R-07 190515 -16 2300 R4FDD UA4HJ 73
80m
UTC dB Freq Message 181900 -19 1407 RW6MZ R4FDD -02 (x2) 182230 -7 577 RW7M R4FDD -03 182330 -10 1237 R1BED R4FDD RR73 182530 -21 1419 RA6UAR R4FDD RR73 182545 -19 1419 R4FDD RA6UAR 73 182630 -12 1194 R4FDD RA4L R-04 (x2) 182815 -10 772 R9RA R4FDD RR73 182945 -15 1365 RA3AIW R4FDD -11 183030 -18 2158 UA3VVA R4FDD +00 (x2) 183315 -2 644 R4FDD RM5F R+02 183330 -7 645 RM5F R4FDD RR73 183345 +2 644 R4FDD RM5F 73
40m
UTC dB Freq Message 174215 -16 1125 RC7LX R4FDD RR73 174330 +3 2964 R4FDD UA3NFI R-12 (x2) 174415 -11 2462 RA9SJG R4FDD -11 (x2) 174645 -7 535 UB8AHK R4FDD -06 (x2) 174800 -4 2378 UI6L R4FDD -10 174915 -5 1091 UI6O R4FDD RR73 175230 -7 846 R1CF R4FDD -07 175315 -1 612 R4FDD RA6UAR R-10 (x2) 175745 -3 847 R4FDD R1CF R-03 (x2) 175930 +3 2878 R3BCK R4FDD -08
10m
UTC dB Freq Message 100645 -15 2373 R4FDD JE6WOQ -12 (x2) 103315 -17 1567 R4FDD BG0HP -16 (x3) 081400 -21 1468 R4FDD EP4SP/QRP +01 105330 -18 1075 A41DL R4FDD LO33 110330 -16 1070 EA3FP R4FDD LO33 (x2) 110715 -21 1602 EB4DMH R4FDD LO33 (x2) 113615 -21 1555 UX7QV R4FDD LO33 (x2) 115230 -12 1254 R4FDD LU8GCJ -16 (x2)