KM4JB — FT8 station from United States
Amateur radio station KM4JB operating from United States. 282 FT8 spots received at SO8OO WebSDR, 12 CQ calls, active on 80m, 40m, 20m, 10m, over 15 days, best SNR +18 dB. Heard between 2026-05-01 and 2026-07-17.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
282
Total spots
12
CQ calls
15
Days active
-7 dB
Avg SNR
Bands
80m
20m
40m
10m
First seen: 2026-05-01
Last seen: 2026-07-17 00:08 UTC
Last seen: 2026-07-17 00:08 UTC
Frequent QSO partners observed at SO8OO
Stations KM4JB worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KM4JB | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-17 02:08 | 40m | -6 / - | 4X5MZ | - / -11 | 2 | Partial |
| 07-17 01:59 | 40m | -18 / - | R6FX | - / - | 2 | Partial |
| 07-17 01:58 | 40m | -14 / - | IZ8DBJ | - / -9 | 3 | ✓ Confirmed |
| 07-17 01:56 | 40m | -10 / - | IQ4JO | - / -12 | 3 | ✓ Confirmed |
| 07-15 01:54 | 80m | +7 / - | SN5J | - / - | 6 | Partial |
| 07-15 01:52 | 80m | -9 / - | DK5WL | - / - | 3 | Partial |
| 07-15 01:50 | 80m | +8 / - | IQ4JO | - / -22 | 5 | Partial |
| 07-15 01:42 | 80m | -16 / - | VE3XN | -24 / - | 3 | ✓ Complete |
| 07-15 01:41 | 80m | +7 / - | DO9JTR | - / -7 | 3 | ✓ Confirmed |
| 07-15 01:35 | 80m | +9 / - | HB9CXZ | - / -13 | 3 | ✓ Confirmed |
| 07-15 01:17 | 40m | -14 / - | UA3PAB | - / -15 | 2 | Partial |
| 07-15 01:15 | 40m | +6 / - | UX1UA | - / -12 | 7 | Partial |
| 07-06 02:42 | 80m | -4 / - | EA1IOK | - / - | 4 | Partial |
| 07-06 02:42 | 80m | +4 / - | EA5HM | - / - | 6 | Partial |
| 07-06 02:39 | 80m | -22 / +8 | K2I | -23 / - | 3 | Partial |
| 07-06 01:16 | 80m | -7 / - | HB3YNF | - / - | 9 | Partial |
| 07-06 01:15 | 80m | -12 / +1 | VP2MAA | -16 / - | 4 | ✓ Complete |
| 06-18 13:30 | 20m | +2 / - | F6BIA | - / -15 | 2 | ✓ Confirmed |
| 06-15 21:00 | 20m | -3 / - | PD9OH | - / -14 | 3 | ✓ Confirmed |
| 06-15 20:53 | 20m | -18 / - | F1POK | - / - | 6 | Partial |
| 06-15 20:53 | 20m | -9 / - | M0IOY | - / - | 2 | ✓ Confirmed |
| 06-12 01:49 | 40m | -3 / - | UR3HC | - / -11 | 3 | Partial |
| 06-12 01:47 | 40m | -4 / - | EA8BS | -8 / +6 | 4 | ✓ Verified |
| 06-11 22:49 | 20m | - / -6 | TT1GD | -18 / - | 2 | Partial |
| 06-11 22:46 | 20m | - / -13 | TN8GD | -18 / - | 5 | ✓ Confirmed |
| 06-11 22:12 | 20m | -12 / - | HP1RY | - / - | 5 | ✓ Confirmed |
| 06-11 02:13 | 40m | -18 / - | F6FHZ | - / - | 4 | Partial |
| 06-11 02:13 | 40m | -14 / - | YO8RSL | - / - | 4 | Partial |
| 06-11 02:09 | 40m | -22 / - | F6FHZ | - / - | 3 | Partial |
| 06-11 02:08 | 40m | -5 / - | RX3ASQ | - / - | 2 | Partial |
| 06-11 02:03 | 40m | -4 / - | F5PBG | - / -6 | 2 | Partial |
| 06-11 01:57 | 40m | -10 / - | ES2DR | - / - | 3 | Partial |
| 06-11 01:57 | 40m | -13 / - | F5PBG | - / - | 4 | Partial |
| 06-11 01:57 | 40m | -18 / - | PD9OH | - / - | 2 | Partial |
| 06-11 01:55 | 40m | +6 / - | HA1SU | - / - | 2 | ✓ Confirmed |
| 06-11 01:54 | 40m | -15 / - | PD9OH | - / - | 2 | Partial |
| 06-11 01:54 | 40m | -6 / - | RX3ASQ | - / - | 2 | Partial |
| 06-11 01:51 | 40m | -8 / - | YT1DDL | - / -18 | 3 | Partial |
| 06-11 01:51 | 40m | -2 / - | RX3ASQ | - / - | 2 | Partial |
| 06-11 01:46 | 40m | -14 / - | PD9OH | - / - | 3 | Partial |
| 06-11 01:46 | 40m | -16 / - | F6FHZ | - / - | 7 | Partial |
| 06-11 01:43 | 40m | -2 / - | YT1DDL | - / -18 | 2 | Partial |
| 06-11 01:43 | 40m | -6 / - | DL9KM | - / - | 5 | Partial |
| 06-11 01:42 | 40m | -18 / - | F6FHZ | - / - | 2 | Partial |
| 06-11 01:40 | 40m | -9 / - | HA1SU | - / -3 | 2 | Partial |
| 06-11 01:40 | 40m | -10 / - | PD9OH | - / - | 2 | Partial |
| 06-11 01:40 | 40m | -12 / - | RX3ASQ | - / - | 2 | Partial |
| 06-11 01:35 | 40m | -12 / - | F5PBG | - / - | 3 | Partial |
| 06-11 01:25 | 40m | -14 / - | MI7XHT | - / -4 | 2 | Partial |
| 06-11 01:23 | 40m | -9 / - | RX3ASQ | - / - | 2 | Partial |
Station Log
40m
UTC dB Freq Message 011845 +5 2368 KM4JB UX1UA KO50 (x3) 012545 -21 1652 KM4JB EA2DYB R-09 015600 -9 2439 KM4JB IQ4JO JN63 (x3) 015800 -13 1620 KM4JB RX6LN LN08 015800 -14 2051 KM4JB IZ8DBJ JN70 (x2) 015900 -15 1394 KM4JB R6FX LN14 015900 -13 2052 KM4JB IZ8DBJ 73 015930 -20 1394 KM4JB R6FX LN14 020815 -6 1353 KM4JB 4X5MZ -11 (x2)
80m
UTC dB Freq Message 015200 +6 2562 KM4JB IQ4JO R-20 015215 -24 1618 CQ KM4JB FM05 a1 015230 -8 1581 KM4JB DK5WL JN39 015230 +6 2562 KM4JB IQ4JO R-20 015300 -8 1581 KM4JB DK5WL JN39 015330 -24 1618 KM4JB HB9MZI JN46 015415 -24 1618 CQ KM4JB FM05 015430 +6 1618 KM4JB SN5J KO02 (x2) 015545 -24 1619 CQ KM4JB FM05 015600 +8 1618 KM4JB SN5J KO02 015600 +5 2562 KM4JB IQ4JO JN63 015630 +8 1618 KM4JB SN5J KO02 (x3)
20m
UTC dB Freq Message 205330 -20 1935 KM4JB F1POK JN27 205330 -9 990 KM4JB M0IOY IO93 205400 -17 1935 KM4JB F1POK JN27 (x2) 205430 -9 990 KM4JB M0IOY 73 205500 -3 1935 KM4JB PD9OH JO21 205530 -15 1936 KM4JB F1POK JN27 (x3) 210000 -2 1310 KM4JB PD9OH JO21 (x3) 210430 -8 926 KM4JB LA1BR JP50 133030 +3 2105 KM4JB F6BIA R-15 (x2)
10m
UTC dB Freq Message 194300 -24 1614 KM4JB PY2MDA RR73 194900 +4 2803 KM4JB 7Q3CM -05 (x2)