KO4JJU — FT8 station from United States
Amateur radio station KO4JJU operating from United States (grid square JN57). 139 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, over 9 days, best SNR +26 dB. Heard between 2026-05-03 and 2026-05-14.
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Overview
139
Total spots
0
CQ calls
9
Days active
-6 dB
Avg SNR
Bands
80m
40m
20m
First seen: 2026-05-03
Last seen: 2026-05-14 01:55 UTC
Last seen: 2026-05-14 01:55 UTC
Frequent QSO partners observed at SO8OO
Stations KO4JJU worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KO4JJU | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 05-14 03:54 | 40m | +8 / - | DL3MIB | - / - | 3 | Partial |
| 05-14 02:01 | 40m | -12 / - | KR4EBE | - / - | 2 | ✓ Confirmed |
| 05-13 04:36 | 20m | -11 / - | F5UKW | - / -16 | 2 | Partial |
| 05-13 04:14 | 80m | -12 / - | W3UA | - / -18 | 2 | ✓ Confirmed |
| 05-13 04:11 | 40m | -2 / - | DK7ZT | - / -18 | 2 | Partial |
| 05-13 04:07 | 40m | -6 / - | SP1TJ | - / - | 4 | Partial |
| 05-13 04:03 | 40m | -16 / - | HA7TM | - / -13 | 2 | Partial |
| 05-13 03:47 | 40m | -14 / - | UW5KW | - / - | 2 | Partial |
| 05-13 03:02 | 40m | -3 / - | W4PSK | - / +9 | 2 | ✓ Confirmed |
| 05-13 02:57 | 40m | -4 / - | ES2AJ | - / -14 | 2 | ✓ Confirmed |
| 05-13 02:38 | 40m | -3 / - | W2CG | - / -7 | 3 | Partial |
| 05-13 02:05 | 40m | -4 / - | GB9SOS | - / -17 | 9 | Partial |
| 05-12 05:06 | 40m | -14 / - | F5LOW | - / -6 | 2 | ✓ Confirmed |
| 05-12 03:31 | 40m | +6 / - | DL8TV | - / -21 | 7 | ✓ Confirmed |
| 05-12 03:21 | 40m | -6 / - | DK7ZT | - / -21 | 4 | Partial |
| 05-12 03:21 | 40m | +3 / - | DL8TV | - / - | 6 | Partial |
| 05-12 03:17 | 40m | -6 / - | F5NNN | - / - | 5 | Partial |
| 05-12 03:07 | 40m | -20 / - | KF9UG | - / -8 | 2 | ✓ Confirmed |
| 05-12 00:58 | 40m | -4 / - | DK7ZT | - / -12 | 3 | Partial |
| 05-11 03:32 | 40m | -14 / - | KB2KBC | - / -3 | 2 | ✓ Confirmed |
| 05-11 02:06 | 40m | -12 / - | AO4RKB | - / -6 | 5 | ✓ Confirmed |
| 05-11 01:56 | 40m | -10 / - | F5NNN | - / - | 2 | Partial |
| 05-11 01:54 | 40m | -15 / - | HK3X | - / -12 | 5 | Partial |
| 05-09 03:21 | 40m | +12 / - | IW0RLC | - / - | 4 | Partial |
| 05-08 04:50 | 40m | -3 / - | SP1TJ | - / - | 6 | Partial |
| 05-08 04:37 | 40m | -15 / - | CT7AUT | - / -7 | 2 | ✓ Confirmed |
| 05-06 02:13 | 40m | -20 / - | EC3A | - / - | 4 | Partial |
| 05-05 03:23 | 40m | -2 / - | F5RRS | - / - | 4 | Partial |
| 05-05 03:16 | 40m | -7 / - | IT9EUT | - / - | 2 | Partial |
| 05-05 03:15 | 40m | -16 / - | IW9FRA | - / - | 2 | Partial |
| 05-05 03:06 | 40m | +6 / - | F1IQH | - / - | 3 | Partial |
| 05-05 03:05 | 40m | -4 / - | G8KHF | - / - | 4 | Partial |
| 05-05 03:05 | 40m | -11 / - | IW9FRA | - / - | 8 | Partial |
| 05-03 03:38 | 40m | -2 / - | G7RAU | - / -10 | 2 | ✓ Confirmed |
Station Log
40m
UTC dB Freq Message 040315 -17 2089 KO4JJU HA7TM -13 (x2) 040745 -10 2088 KO4JJU SP1TJ JO74 (x4) 041145 -1 1539 KO4JJU DK7ZT -18 (x2) 012115 -11 538 KO4JJU KB3DQI FM18 020115 -14 2038 KO4JJU KR4EBE +14 (x2) 020815 -16 2282 KO4JJU NW1L +00 035400 +8 1069 KO4JJU DL3MIB JN57 (x3)
20m
UTC dB Freq Message 175400 -11 2420 KO4JJU N1SK FN33 043615 -11 360 KO4JJU F5UKW R-16 (x2)
80m
UTC dB Freq Message 010445 -19 1372 KO4JJU NR2C -15 041400 -12 859 KO4JJU W3UA -18 (x2)