JA4FDZ — FT8 station from Japan
Amateur radio station JA4FDZ operating from Japan. 71 FT8 spots received at SO8OO WebSDR, 5 CQ calls, active on 40m, 20m, over 9 days, best SNR +22 dB. Heard between 2026-06-01 and 2026-06-09.
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Overview
71
Total spots
5
CQ calls
9
Days active
-1 dB
Avg SNR
Bands
20m
40m
First seen: 2026-06-01
Last seen: 2026-06-09 17:41 UTC
Last seen: 2026-06-09 17:41 UTC
Frequent QSO partners observed at SO8OO
Stations JA4FDZ worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA4FDZ | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-09 19:41 | 40m | +6 / - | E70SZ | - / -12 | 2 | Partial |
| 06-09 19:40 | 40m | -2 / - | IS0LLL | - / - | 2 | Partial |
| 06-08 20:12 | 20m | -8 / - | R9SES | - / -8 | 3 | Partial |
| 06-08 19:21 | 40m | -4 / - | SV8ZI | - / -17 | 2 | ✓ Confirmed |
| 06-08 19:10 | 40m | +4 / - | SQ8V | - / - | 2 | Partial |
| 06-08 19:08 | 40m | +10 / - | OK4PA | - / -13 | 3 | Partial |
| 06-08 18:59 | 40m | +8 / - | DL1NGS | - / - | 5 | Partial |
| 06-07 22:41 | 20m | +19 / - | Z62NS | - / -2 | 3 | ✓ Confirmed |
| 06-06 09:08 | 20m | +12 / - | UB8CPH | - / -17 | 2 | ✓ Confirmed |
| 06-05 20:04 | 40m | +4 / - | YT1VDA | - / - | 5 | Partial |
| 06-04 20:20 | 20m | -6 / - | IU7SYF | - / -19 | 5 | Partial |
| 06-04 20:06 | 20m | -2 / - | TA3TK | - / -23 | 3 | Partial |
| 06-04 20:04 | 20m | -3 / - | DF3IS | - / -15 | 3 | ✓ Confirmed |
| 06-03 00:13 | 20m | 0 / - | R0AX | - / -16 | 2 | ✓ Confirmed |
| 06-02 20:19 | 20m | -9 / - | R4WZ | - / -16 | 2 | Partial |
| 06-02 20:17 | 20m | -12 / - | SV1MOZ | - / -11 | 2 | ✓ Confirmed |
| 06-02 20:13 | 20m | -10 / -11 | S50TOM | -19 / - | 2 | Partial |
| 06-01 21:06 | 20m | - / -16 | UT4VL | -17 / - | 2 | ✓ Confirmed |
| 06-01 21:00 | 20m | - / -11 | TA3ZZ | -16 / - | 3 | ✓ Confirmed |
| 06-01 20:56 | 20m | - / - | YO8RFS | -10 / - | 2 | Partial |
| 06-01 20:33 | 40m | +1 / - | YO9PH | - / -16 | 3 | ✓ Confirmed |
| 06-01 20:31 | 40m | +7 / - | RG5A | - / -12 | 2 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 190115 +6 853 JA4FDZ DL1NGS JO50 (x2) 190215 -2 853 JA4FDZ YO7ARZ 73 190830 +11 1975 JA4FDZ OK4PA R-13 (x3) 191000 +7 1372 JA4FDZ SQ8V KO01 (x2) 192145 -6 854 JA4FDZ SV8ZI R-17 (x2) 194015 -2 686 JA4FDZ IS0LLL JM49 (x2) 194115 -5 1089 JA4FDZ EW2MS KO34 194115 +7 960 JA4FDZ E70SZ JN84 (x2)
20m
UTC dB Freq Message 202230 -12 965 JA4FDZ IU7SYF R-19 (x4) 232130 -16 1123 JA4FDZ BI8SCC RR73 090800 +13 2582 JA4FDZ UB8CPH -17 (x2) 224100 +16 965 JA4FDZ Z62NS -02 (x3) 224545 -2 422 JA4FDZ RK0SC -12 200915 -7 1759 JA4FDZ IQ0VT -19 201215 -10 1180 JA4FDZ R9SES -08 (x3)