JA5JFB — FT8 station from Japan
Amateur radio station JA5JFB operating from Japan. 239 FT8 spots received at SO8OO WebSDR, active on 160m, 80m, 40m, 20m, 10m, over 33 days, best SNR +22 dB. Heard between 2026-04-21 and 2026-07-13.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
239
Total spots
0
CQ calls
33
Days active
-1 dB
Avg SNR
Bands
80m
20m
40m
10m
160m
First seen: 2026-04-21
Last seen: 2026-07-13 18:16 UTC
Last seen: 2026-07-13 18:16 UTC
Frequent QSO partners observed at SO8OO
Stations JA5JFB worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JA5JFB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-13 20:16 | 20m | -20 / - | 9K2GR | -22 / - | 3 | ✓ Verified |
| 06-30 19:38 | 40m | -6 / - | US1VS | - / - | 2 | ✓ Confirmed |
| 06-30 19:37 | 40m | +5 / - | UT2VX | - / -10 | 2 | ✓ Confirmed |
| 06-26 20:15 | 40m | +1 / - | EA7ALL | - / - | 7 | Partial |
| 06-17 19:41 | 20m | - / -16 | TJ1GD/P | -7 / - | 5 | ✓ Confirmed |
| 06-12 19:34 | 20m | - / - | D4OL | -1 / - | 2 | Partial |
| 06-11 19:57 | 80m | -4 / - | RX6DA | - / - | 6 | Partial |
| 06-09 19:07 | 40m | -7 / - | TA4LYL | - / -12 | 5 | Partial |
| 06-09 19:06 | 40m | +6 / - | RJ6B | - / - | 2 | Partial |
| 06-09 19:05 | 40m | +3 / - | 9A5M | -18 / -10 | 3 | ✓ Verified |
| 06-09 19:00 | 80m | +6 / - | Z62NS | - / -10 | 2 | ✓ Confirmed |
| 06-06 20:07 | 40m | +8 / - | HB9GWQ | - / -16 | 3 | Partial |
| 06-03 08:31 | 10m | +6 / - | RC6OX | - / -10 | 2 | Partial |
| 05-30 21:01 | 20m | - / -3 | TA3GO | -21 / - | 2 | ✓ Confirmed |
| 05-30 20:55 | 40m | -2 / - | R6FX | - / - | 3 | Partial |
| 05-28 19:02 | 20m | - / -13 | HB9FBJ | -3 / - | 2 | ✓ Confirmed |
| 05-28 18:55 | 40m | -6 / - | IU0NAD | - / - | 3 | Partial |
| 05-28 18:47 | 40m | +12 / - | OE6GBG | - / -15 | 2 | ✓ Confirmed |
| 05-27 20:33 | 20m | - / - | ZD8KX | +4 / - | 3 | Partial |
| 05-27 20:18 | 20m | - / - | ZD8KX | -10 / - | 2 | Partial |
| 05-24 20:28 | 20m | -16 / -20 | ZB2MR | -8 / -16 | 6 | ✓ Complete |
| 05-24 20:19 | 20m | 0 / - | <...> | -2 / -7 | 3 | Partial |
| 05-20 19:34 | 80m | -4 / - | RU3T | - / - | 3 | Partial |
| 05-19 07:37 | 10m | -20 / - | VK5DOC | - / -8 | 2 | Partial |
| 05-18 18:51 | 80m | +4 / - | 4O7DX | - / -1 | 2 | ✓ Confirmed |
| 05-18 18:38 | 40m | -6 / - | RV1CC | - / - | 7 | Partial |
| 05-18 18:37 | 40m | +16 / - | DK1WB | - / -6 | 5 | ✓ Confirmed |
| 05-18 18:37 | 40m | 0 / - | RT2H | - / - | 5 | Partial |
| 05-18 18:36 | 40m | +9 / - | SP2BRZ | - / -21 | 5 | ✓ Confirmed |
| 05-18 18:35 | 40m | -3 / - | DL5BWG | - / -9 | 3 | ✓ Confirmed |
| 05-18 18:32 | 40m | -1 / - | DL7GAL | - / - | 3 | Partial |
| 05-18 18:28 | 40m | +2 / - | YO8RQP | - / - | 6 | Partial |
| 05-11 18:14 | 20m | -2 / - | PD1ADA | - / - | 4 | Partial |
| 05-11 18:07 | 20m | -2 / - | UN8DAW | - / +8 | 2 | ✓ Confirmed |
| 05-09 19:28 | 40m | +10 / - | R7DX | - / - | 4 | Partial |
| 05-09 19:27 | 40m | +11 / - | YO2MTG | - / -20 | 7 | ✓ Confirmed |
| 05-09 19:23 | 40m | +5 / - | UR6EA | - / -6 | 3 | Partial |
| 05-09 19:23 | 40m | -8 / - | R1AI | - / -16 | 2 | Partial |
| 05-08 20:11 | 40m | +11 / - | SP3HUU | - / -10 | 3 | ✓ Confirmed |
| 05-08 20:07 | 40m | +4 / - | F1UGD | - / -14 | 6 | ✓ Confirmed |
| 05-04 20:02 | 40m | 0 / - | DL5BWG | - / - | 7 | Partial |
| 05-04 20:00 | 40m | -5 / - | UF5F | - / - | 3 | Partial |
| 05-04 19:38 | 20m | -10 / - | A61OK | - / -21 | 2 | ✓ Confirmed |
| 05-02 20:14 | 20m | - / - | <...> | +2 / - | 2 | Partial |
| 05-01 21:08 | 20m | 0 / - | AU2M | - / -19 | 3 | Partial |
| 04-30 20:16 | 40m | -10 / -12 | EA5CQM | -4 / - | 4 | Partial |
| 04-30 20:15 | 40m | -7 / - | M7GFJ | - / - | 11 | Partial |
| 04-30 20:14 | 40m | - / - | UN7PPV | -6 / - | 2 | Partial |
| 04-30 20:11 | 40m | +15 / - | LZ2PC | - / -7 | 3 | ✓ Confirmed |
| 04-30 20:08 | 40m | -9 / - | <...> | -10 / -12 | 2 | Partial |
Station Log
20m
UTC dB Freq Message 200000 -13 2506 <JA5JFB> EA3/N3CZ 200000 -9 2253 JA5JFB BG7BMG -02 203315 +0 2854 VP8NO JA5JFB PM63 192830 -5 432 D4OL JA5JFB PM63 (x3) 194115 -8 2393 TJ1GD/P JA5JFB PM63 (x5) 194600 -11 2393 JA5JFB IN3BJS JN55 201600 -18 1859 JA5JFB 9K2GR RR73 (x2) 201645 -22 1971 9K2GR JA5JFB 73
40m
UTC dB Freq Message 190830 -10 948 JA5JFB TA4LYL -12 (x2) 195230 -19 1195 JA5JFB R6FX LN14 201500 -1 803 JA5JFB EA7ALL IM88 (x3) 201630 -14 2063 JA5JFB IQ7KM -13 201630 -1 803 JA5JFB EA7ALL IM88 (x4) 193700 +5 2792 JA5JFB UT2VX -10 (x2) 193800 -4 2722 JA5JFB US1VS KN68 (x2)
80m
UTC dB Freq Message 192345 -12 1260 JA5JFB OH1LA -15 (x2) 185145 +5 1587 JA5JFB 4O7DX -01 (x2) 193400 -2 647 JA5JFB RU3T LO16 (x3) 190000 +7 1353 JA5JFB Z62NS -10 (x2) 195730 -5 1421 JA5JFB RX6DA KN85 (x6)
10m
UTC dB Freq Message 073745 -19 2106 JA5JFB VK5DOC -08 (x2) 083100 +5 2637 JA5JFB RC6OX KN88 (x2)