JH4RBA — FT8 station from Japan
Amateur radio station JH4RBA operating from Japan. 30 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 10 days, best SNR +18 dB. Heard between 2026-04-25 and 2026-07-04.
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Overview
30
Total spots
0
CQ calls
10
Days active
-9 dB
Avg SNR
Bands
20m
40m
10m
First seen: 2026-04-25
Last seen: 2026-07-04 04:24 UTC
Last seen: 2026-07-04 04:24 UTC
Frequent QSO partners observed at SO8OO
Stations JH4RBA worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | JH4RBA | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-04 06:23 | 20m | -11 / - | SV2HTW | - / -19 | 3 | ✓ Confirmed |
| 06-10 11:41 | 20m | -10 / - | 7K1PTT | - / - | 2 | Partial |
| 06-03 17:00 | 40m | -17 / - | UX1AA | - / - | 5 | Partial |
| 05-29 23:34 | 20m | +4 / - | JY5IB | - / -12 | 2 | ✓ Confirmed |
| 05-28 08:07 | 10m | -18 / - | TA4RC | - / -14 | 2 | ✓ Confirmed |
| 05-06 15:38 | 40m | -12 / - | RP81GT | -12 / - | 3 | ✓ Verified |
| 05-06 15:38 | 40m | +16 / - | US2YW | - / - | 2 | Partial |
| 05-06 06:27 | 20m | -10 / - | G0JHC | - / -14 | 2 | Partial |
Station Log
20m
UTC dB Freq Message 062715 -14 2142 JH4RBA G0JHC -14 (x2) 063645 -6 1995 JH4RBA TK5AE JN41 132730 -2 996 JH4RBA RW4F LO23 232345 +2 1776 JH4RBA A61FJ -09 113300 -24 2090 JH4RBA V31DL EK57 (x2) 233415 +2 1787 JH4RBA JY5IB -12 (x2) 114115 -9 375 JH4RBA 7K1PTT PM96 (x2) 190500 -17 1804 JH4RBA HA9PP RR73 062345 -12 1496 JH4RBA SV2HTW -19 (x3)
40m
UTC dB Freq Message 153830 -14 1191 <JH4RBA> RP81GT 73 153830 +13 689 JH4RBA US2YW KN28 (x2) 153930 -11 1191 JH4RBA RP81GT RR73 153945 -12 1191 RP81GT JH4RBA 73 170030 -16 2475 JH4RBA UX1AA KO70 (x6)
10m
UTC dB Freq Message 080730 -16 1245 JH4RBA TA4RC -14 (x2)