DF4SI — FT8 station from Fed. Rep. of Germany
Amateur radio station DF4SI operating from Fed. Rep. of Germany (grid square NO14). 613 FT8 spots received at SO8OO WebSDR, 237 CQ calls, active on 60m, 40m, 20m, over 14 days, best SNR +18 dB. Heard between 2026-04-22 and 2026-06-09.
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Overview
613
Total spots
237
CQ calls
14
Days active
-6 dB
Avg SNR
Bands
20m
60m
40m
First seen: 2026-04-22
Last seen: 2026-06-09 12:19 UTC
Last seen: 2026-06-09 12:19 UTC
Frequent QSO partners observed at SO8OO
Stations DF4SI worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | DF4SI | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-09 14:18 | 20m | - / +8 | 2E1HAT | +6 / - | 6 | Partial |
| 06-09 14:17 | 20m | -14 / - | RD4AAK | - / -3 | 2 | Partial |
| 06-09 14:10 | 20m | - / +2 | MD0CCE | +12 / - | 11 | ✓ Confirmed |
| 06-02 20:41 | 40m | 0 / - | OZ5AGJ | - / - | 2 | Partial |
| 06-02 20:22 | 40m | -2 / -3 | DG2EKO | -9 / -14 | 7 | ✓ Complete |
| 06-02 20:22 | 40m | +3 / - | IK4LZH | - / - | 4 | Partial |
| 06-02 20:21 | 40m | +2 / - | F1IQH | - / - | 4 | Partial |
| 06-02 20:18 | 40m | -3 / -22 | PD2HVT | -10 / -6 | 6 | ✓ Complete |
| 06-02 20:11 | 40m | -5 / - | SV1EKI | - / - | 5 | Partial |
| 06-02 19:57 | 40m | -7 / - | SV1EKI | - / -10 | 9 | Partial |
| 06-02 19:56 | 40m | -6 / - | SP5LST | - / -12 | 4 | Partial |
| 06-02 19:43 | 40m | - / - | IW2JMS | -6 / - | 2 | Partial |
| 06-02 19:29 | 40m | +6 / -5 | UX7QV | -4 / - | 8 | Partial |
| 06-02 19:20 | 40m | 0 / - | DK1GP | -8 / -18 | 5 | ✓ Verified |
| 06-02 19:20 | 40m | +11 / - | US2YW | - / - | 4 | Partial |
| 06-02 19:11 | 40m | -6 / -11 | SP9UPH | -8 / -14 | 7 | ✓ Complete |
| 06-02 19:04 | 40m | +1 / -11 | DL8TV | -2 / -11 | 7 | ✓ Complete |
| 06-02 19:04 | 40m | +9 / - | DM5KM | - / - | 7 | Partial |
| 06-02 19:00 | 40m | +15 / - | IZ0ZIP | -6 / -13 | 6 | ✓ Complete |
| 06-02 18:55 | 40m | - / - | IT9WCN | -9 / - | 5 | Partial |
| 06-02 18:53 | 40m | +9 / -18 | IW0QCR | -4 / +1 | 3 | ✓ Complete |
| 06-02 18:51 | 40m | - / -3 | OO0O | -7 / - | 2 | ✓ Confirmed |
| 06-02 18:51 | 40m | +2 / - | F4HEA | - / - | 3 | Partial |
| 06-02 18:50 | 40m | +12 / - | IZ0ZIP | - / -10 | 2 | Partial |
| 06-02 18:35 | 40m | - / - | UA1ZFL | -7 / - | 3 | Partial |
| 06-02 18:03 | 60m | -10 / - | DB9LG | -11 / -1 | 3 | ✓ Complete |
| 06-01 19:15 | 20m | - / - | TT1GD | -10 / - | 2 | Partial |
| 06-01 19:10 | 20m | -11 / - | BG4OOO | - / -15 | 2 | ✓ Confirmed |
| 06-01 19:07 | 20m | - / - | <...> | -12 / - | 3 | Partial |
| 05-31 18:44 | 20m | +5 / -21 | DL3MIB | +14 / -12 | 13 | Partial |
| 05-31 18:43 | 20m | -11 / - | BH1PYG | +13 / -2 | 2 | Partial |
| 05-31 18:39 | 20m | - / - | BG4OOO | +11 / - | 3 | Partial |
| 05-31 18:34 | 20m | - / - | TF8KY | +7 / - | 5 | Partial |
| 05-31 18:32 | 20m | - / -17 | KA1MXL | +6 / - | 3 | ✓ Confirmed |
| 05-31 18:28 | 20m | +2 / - | SX20RCK | - / -16 | 2 | Partial |
| 05-31 18:15 | 20m | - / - | LZ2VQ | -14 / - | 2 | ✓ Confirmed |
| 05-31 18:14 | 20m | 0 / - | IN3BFW | -14 / -18 | 7 | Partial |
| 05-31 18:03 | 40m | -6 / - | F4MXQ | -3 / -15 | 2 | Partial |
| 05-30 19:50 | 20m | -7 / - | CR7BRV | - / -3 | 8 | ✓ Confirmed |
| 05-30 19:44 | 20m | -13 / - | F1IQH | - / - | 2 | Partial |
| 05-30 19:26 | 20m | - / - | CR7BRV | -5 / - | 3 | Partial |
| 05-23 21:12 | 60m | -21 / - | EI5JL | - / - | 2 | Partial |
| 05-23 21:11 | 60m | +6 / +8 | SP6ZT | -2 / - | 8 | Partial |
| 05-23 20:09 | 60m | - / -10 | EA5JFO | -9 / - | 3 | ✓ Confirmed |
| 05-23 20:00 | 60m | -16 / -1 | DG9LBD | -7 / -4 | 6 | Partial |
| 05-23 19:57 | 60m | -3 / - | G4ZFJ | -8 / -3 | 7 | ✓ Complete |
| 05-23 19:56 | 60m | +2 / - | OZ1RDP | - / - | 3 | Partial |
| 05-23 19:55 | 60m | -17 / - | HB9AWS | - / - | 3 | Partial |
| 05-23 19:54 | 60m | -12 / -2 | F6FEG | -8 / +2 | 4 | ✓ Complete |
| 05-23 19:47 | 60m | - / -5 | IZ5OPW | -7 / - | 3 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 141345 +17 582 MD0CCE DF4SI JN58 (x5) 141730 -14 2388 DF4SI RD4AAK -03 141745 +17 582 CQ DF4SI JN58 141800 -14 2388 DF4SI RD4AAK -08 141815 +11 582 2E1HAT DF4SI +08 (x2) 141900 -15 1155 DF4SI R9OFU NO14 141915 +5 582 2E1HAT DF4SI RRR (x4)
40m
UTC dB Freq Message 202245 +4 437 DF4SI IK4LZH JN54 (x2) 202315 -2 1040 DF4SI DG2EKO JN48 202345 +4 437 DF4SI IK4LZH JN54 202400 -9 300 DG2EKO DF4SI -03 202445 +0 1040 DF4SI DG2EKO R-14 202530 -9 301 DG2EKO DF4SI RR73 202545 -3 1040 DF4SI DG2EKO 73 203845 -5 290 MI0JZZ DF4SI JN58 203945 -7 292 CQ DF4SI JN58 (x2) 204100 -1 283 DF4SI OZ5AGJ JO47 204115 -8 294 CQ DF4SI JN58 204130 +0 284 DF4SI OZ5AGJ JO47 204145 -9 294 CQ DF4SI JN58
60m
UTC dB Freq Message 211400 +0 689 SP6ZT DF4SI +08 (x4) 175730 -11 683 CQ DF4SI JN58 (x6) 180330 -10 734 DF4SI DB9LG -01 180345 -11 686 DB9LG DF4SI R+11 180400 -11 734 DF4SI DB9LG RR73 181100 -13 276 CQ DF4SI JN58 a1 181800 -20 1572 DF4SI IQ0FR +01