KB1EFS — FT8 station from United States
Amateur radio station KB1EFS operating from United States. 2,937 FT8 spots received at SO8OO WebSDR, 806 CQ calls, active on 160m, 80m, 60m, 40m, 20m, 10m, over 63 days, best SNR +27 dB. Heard between 2026-04-27 and 2026-07-26.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
2,937
Total spots
806
CQ calls
63
Days active
-7 dB
Avg SNR
Bands
80m
20m
40m
60m
10m
160m
First seen: 2026-04-27
Last seen: 2026-07-26 12:51 UTC
Last seen: 2026-07-26 12:51 UTC
Frequent QSO partners observed at SO8OO
Stations KB1EFS worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KB1EFS | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 07-24 01:27 | 40m | -4 / - | W4DXM | - / +9 | 2 | ✓ Confirmed |
| 07-22 01:00 | 40m | +15 / - | UA4FKT | - / -13 | 3 | Partial |
| 07-22 00:51 | 40m | -2 / - | M1MPB | - / -4 | 3 | ✓ Confirmed |
| 07-21 13:14 | 10m | +10 / - | HB9CTU | - / -12 | 3 | ✓ Confirmed |
| 07-20 11:01 | 20m | -15 / - | M6PKV | - / - | 2 | Partial |
| 07-16 22:56 | 40m | -16 / - | G3EFG | - / -23 | 8 | Partial |
| 07-15 02:39 | 40m | -10 / - | I1WQR | - / - | 2 | Partial |
| 07-14 12:38 | 20m | -6 / - | HB9CTU | - / - | 2 | Partial |
| 07-14 02:51 | 80m | -19 / - | IT9KHI | - / -22 | 3 | ✓ Confirmed |
| 07-14 02:49 | 80m | -23 / - | DO7BE | - / - | 3 | Partial |
| 07-14 02:48 | 80m | -22 / - | SM5MRW | - / - | 3 | Partial |
| 07-14 02:46 | 80m | -4 / - | DL1UDO | - / - | 2 | ✓ Confirmed |
| 07-14 02:46 | 80m | -24 / - | DO7BE | - / - | 2 | Partial |
| 07-14 02:44 | 80m | +4 / - | OM1II | - / - | 3 | ✓ Confirmed |
| 07-14 02:32 | 40m | -14 / - | RX6LN | - / - | 2 | Partial |
| 07-14 02:07 | 40m | -13 / - | A71XX | - / -9 | 5 | ✓ Confirmed |
| 07-14 02:02 | 40m | -13 / - | A71XX | - / - | 3 | Partial |
| 07-14 00:48 | 40m | -6 / - | F1PBZ | - / -5 | 2 | ✓ Confirmed |
| 07-13 22:51 | 20m | -21 / - | IU0TYC | - / -5 | 3 | ✓ Confirmed |
| 07-13 13:07 | 20m | -2 / - | UT4VL | - / -19 | 2 | Partial |
| 07-13 11:06 | 20m | -9 / - | UW5ESX | - / - | 3 | Partial |
| 07-13 03:02 | 40m | -6 / - | DF7JU | - / -1 | 4 | ✓ Confirmed |
| 07-13 02:53 | 40m | -5 / - | DF7JU | - / +4 | 3 | Partial |
| 07-13 02:50 | 40m | -16 / - | DF2MC | - / +2 | 2 | ✓ Confirmed |
| 07-13 02:08 | 80m | -6 / - | DA6DA | - / - | 3 | Partial |
| 07-13 02:06 | 80m | -23 / +5 | KS4OT | -19 / -1 | 4 | ✓ Complete |
| 07-13 02:03 | 80m | - / -5 | K5TGM | -18 / - | 2 | ✓ Confirmed |
| 07-13 01:54 | 80m | +2 / - | DD8BA | - / - | 24 | Partial |
| 07-13 01:49 | 80m | +1 / - | DA6DA | - / - | 3 | Partial |
| 07-12 11:53 | 20m | -16 / - | F4MMT | - / -18 | 2 | Partial |
| 07-12 02:59 | 80m | +3 / - | OE6JVE | - / - | 7 | Partial |
| 07-12 02:58 | 80m | -16 / -24 | G8OO | -24 / - | 8 | Partial |
| 07-12 02:45 | 20m | -14 / - | R9FAI | - / - | 4 | Partial |
| 07-12 02:15 | 20m | -13 / - | RA9ACA | - / -13 | 2 | Partial |
| 07-12 00:18 | 40m | +2 / - | DH4JQ | - / - | 5 | Partial |
| 07-12 00:07 | 40m | -16 / - | F1PBZ | - / -10 | 2 | ✓ Confirmed |
| 07-12 00:07 | 40m | -4 / - | IK4LZH | - / -12 | 6 | ✓ Confirmed |
| 07-11 02:22 | 80m | -12 / - | WM4W | - / - | 2 | Partial |
| 07-11 02:12 | 80m | -14 / - | HB9MZI | - / - | 21 | Partial |
| 07-11 02:09 | 80m | - / -21 | KJ5GNR | -14 / - | 2 | Partial |
| 07-11 02:08 | 80m | -13 / - | G8OO | - / - | 9 | Partial |
| 07-11 02:06 | 80m | - / -17 | HI8JCD | -21 / - | 2 | ✓ Confirmed |
| 07-11 02:00 | 80m | - / +9 | K3LL | -12 / - | 2 | ✓ Confirmed |
| 07-11 01:58 | 80m | - / -2 | W3JSH | -16 / - | 2 | ✓ Confirmed |
| 07-11 01:50 | 80m | +5 / - | DK5ON | - / -13 | 6 | Partial |
| 07-11 01:50 | 80m | - / -16 | WB8NXR | -12 / - | 2 | ✓ Confirmed |
| 07-11 01:49 | 80m | +8 / - | DO8DL | - / - | 2 | Partial |
| 07-11 01:48 | 80m | - / -16 | HI8JCD | -15 / - | 2 | ✓ Confirmed |
| 07-11 01:46 | 80m | - / -9 | KR4EZM | -12 / - | 2 | ✓ Confirmed |
| 07-11 01:41 | 80m | +7 / -23 | SP7IIT | -14 / -14 | 5 | ✓ Complete |
Station Log
10m
UTC dB Freq Message 182130 -20 1903 KB1EFS PU2XEE -18 201300 -17 2278 KB1EFS DN9OPA JN38 (x5) 131445 +10 628 KB1EFS HB9CTU JN47 (x3) 145100 -21 1341 KB1EFS F4LWD RR73
40m
UTC dB Freq Message 225715 -16 1193 KB1EFS G3EFG -23 (x6) 022415 -12 742 KB1EFS CR7BRV -13 005130 -5 2819 KB1EFS M1MPB IO83 (x3) 010030 +19 2819 KB1EFS UA4FKT LO23 (x3) 012700 -3 2524 KB1EFS W4DXM +09 (x2)
20m
UTC dB Freq Message 022830 -12 2559 KB1EFS R2ACA KO85 (x2) 110630 -7 2662 KB1EFS UW5ESX KN67 110830 -15 796 KB1EFS F5IXN JN23 110830 -11 2662 KB1EFS UW5ESX KN67 (x2) 130745 -2 2796 KB1EFS UT4VL -19 (x2) 225130 -21 1526 KB1EFS IU0TYC JN61 (x3) 123815 -10 426 KB1EFS HB9CTU JN47 (x2) 110145 -16 952 KB1EFS M6PKV JO02 (x2)
80m
UTC dB Freq Message 024600 -2 2580 KB1EFS DL1UDO JO31 024630 -24 1903 KB1EFS DO7BE JO64 024700 -5 2580 KB1EFS DL1UDO 73 024730 +22 2283 KB1EFS SP9WLC -22 024830 -22 1841 KB1EFS SM5MRW JP80 024900 -22 2060 KB1EFS DO7BE JO64 024900 -20 1841 KB1EFS SM5MRW JP80 (x2) 025030 -24 1654 KB1EFS DO7BE JO64 025100 -20 2087 KB1EFS IT9KHI JM77 (x2) 025130 -18 1357 KB1EFS SP6U JO80 025200 -24 2304 KB1EFS DO7BE JO64 025200 -16 2087 KB1EFS IT9KHI 73 025430 -16 1655 KB1EFS DL4RBR JN59
160m
UTC dB Freq Message 022430 -14 970 KB1EFS EC1AIJ -21 023200 +11 2452 KB1EFS IQ4JO -21 023230 -8 971 KB1EFS EC1AIJ -24 211800 +9 2596 KB1EFS SQ9DJQ -05 (x6) 015145 -18 1097 KB1EFS DO8DL JO40
60m
UTC dB Freq Message 011430 +2 684 KB1EFS F1PBZ -14 005345 -22 1974 KB1EFS EA5JLB -15 (x2) 020530 -1 2133 KB1EFS ER3UA KN37 020530 +1 1992 KB1EFS DL3VZL R-11 020700 -24 1886 KB1EFS W1ARY FN31 020700 -10 625 KB1EFS G0AZH IO83 (x2) 020730 -23 1886 KB1EFS W1ARY R+03 020830 -8 2321 KB1EFS HB9DGR JN47 022030 -17 2057 KB1EFS IW0HAC JN61 (x5)