K4BTR — FT8 station from United States
Amateur radio station K4BTR operating from United States. 281 FT8 spots received at SO8OO WebSDR, 1 CQ calls, active on 40m, 20m, over 37 days, best SNR +18 dB. Heard between 2026-04-20 and 2026-06-22.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
281
Total spots
1
CQ calls
37
Days active
-5 dB
Avg SNR
Bands
20m
40m
First seen: 2026-04-20
Last seen: 2026-06-22 00:47 UTC
Last seen: 2026-06-22 00:47 UTC
Frequent QSO partners observed at SO8OO
Stations K4BTR worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | K4BTR | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-22 02:47 | 20m | -9 / - | CR7BRV | - / -15 | 2 | ✓ Confirmed |
| 06-21 06:20 | 20m | -12 / - | OD5KU | - / -15 | 2 | ✓ Confirmed |
| 06-21 06:16 | 20m | -10 / - | OD5KU | - / -15 | 4 | Partial |
| 06-20 07:12 | 20m | -9 / - | F5PBG | - / -10 | 3 | ✓ Confirmed |
| 06-20 07:03 | 20m | -14 / - | PA1VW | - / - | 2 | Partial |
| 06-20 07:01 | 20m | -3 / - | F5NNN | - / -9 | 4 | ✓ Confirmed |
| 06-20 06:58 | 20m | +9 / - | PD8RUK | - / -10 | 2 | ✓ Confirmed |
| 06-20 06:36 | 20m | -2 / - | MI7RDK | - / - | 2 | Partial |
| 06-20 00:27 | 20m | -1 / - | EA1IOK | - / -1 | 6 | Partial |
| 06-20 00:20 | 20m | -4 / - | EA1FEP | - / - | 2 | Partial |
| 06-15 02:52 | 40m | -8 / - | F4JCU | - / - | 2 | Partial |
| 06-15 02:46 | 40m | -4 / - | PA4G | - / -10 | 5 | Partial |
| 06-14 00:40 | 20m | +4 / - | IK4LZH | - / - | 4 | Partial |
| 06-14 00:39 | 20m | -2 / - | EA1IOK | - / - | 6 | Partial |
| 06-12 03:09 | 40m | -14 / - | HB10GBT | - / -9 | 2 | Partial |
| 06-12 01:24 | 40m | -8 / - | F5PBG | - / -8 | 4 | ✓ Confirmed |
| 06-08 02:43 | 40m | -18 / - | KP4DVM | - / -21 | 2 | ✓ Confirmed |
| 06-08 02:43 | 40m | -9 / - | DK7ZT | - / -7 | 4 | Partial |
| 06-08 02:40 | 40m | 0 / - | F5RRS | - / -24 | 4 | ✓ Confirmed |
| 06-05 02:16 | 40m | -12 / - | PD0DDA | - / - | 4 | Partial |
| 06-05 02:13 | 40m | -6 / - | IQ9BH | - / -3 | 4 | Partial |
| 06-01 21:23 | 20m | -9 / - | CT3IQ | - / -14 | 2 | ✓ Confirmed |
| 05-31 03:50 | 40m | +11 / - | IK4LZH | - / - | 3 | Partial |
| 05-31 03:46 | 40m | +10 / - | IK4LZH | - / - | 3 | Partial |
| 05-31 03:44 | 40m | -3 / - | DK7ZT | - / -8 | 3 | Partial |
| 05-31 03:39 | 40m | +7 / - | F4BYA | - / - | 3 | Partial |
| 05-31 03:39 | 40m | -6 / - | IQ5VK | - / - | 3 | Partial |
| 05-31 03:34 | 40m | -17 / - | M1GTR | - / -4 | 3 | Partial |
| 05-29 00:12 | 40m | -9 / - | EA1CQ | - / - | 2 | Partial |
| 05-28 03:11 | 40m | 0 / - | DK7ZT | - / -11 | 3 | Partial |
| 05-28 03:06 | 40m | -2 / - | DJ3WF | - / - | 3 | Partial |
| 05-27 22:33 | 20m | +5 / - | EA2DP | - / - | 3 | Partial |
| 05-27 00:48 | 40m | -8 / - | MM0KQC | - / -4 | 3 | Partial |
| 05-27 00:47 | 40m | +7 / - | EB3JT | - / -13 | 3 | ✓ Confirmed |
| 05-27 00:45 | 40m | -14 / - | IW0RLC | - / -9 | 2 | Partial |
| 05-27 00:31 | 20m | -18 / - | OE5TXF | - / -6 | 2 | ✓ Confirmed |
| 05-26 03:21 | 40m | -7 / - | WP4SK | - / +2 | 2 | ✓ Confirmed |
| 05-25 01:36 | 40m | -20 / - | KP4U | - / -5 | 2 | Partial |
| 05-23 00:40 | 20m | +14 / - | DL3MIB | - / -13 | 7 | ✓ Confirmed |
| 05-22 22:27 | 20m | -6 / - | IU5HIU | - / - | 2 | Partial |
| 05-22 22:14 | 20m | -4 / - | F5PBG | - / - | 2 | Partial |
| 05-22 02:03 | 20m | - / -4 | RK4FF | -18 / - | 2 | ✓ Confirmed |
| 05-22 01:53 | 20m | -18 / - | SP5EXA | - / -6 | 2 | ✓ Confirmed |
| 05-22 01:52 | 20m | -19 / - | F6FDY | - / - | 5 | Partial |
| 05-21 12:08 | 20m | +4 / - | RZ1OA | - / -17 | 4 | Partial |
| 05-21 12:05 | 20m | -14 / - | JA2ATE | - / - | 2 | Partial |
| 05-19 02:46 | 40m | -8 / - | SV5BYP | - / -11 | 2 | ✓ Confirmed |
| 05-18 02:17 | 40m | +12 / - | OH1EDK | - / - | 6 | Partial |
| 05-18 02:16 | 40m | +7 / - | IW2DNI | - / - | 8 | Partial |
| 05-17 22:53 | 20m | -12 / - | CS7BHA | - / -13 | 4 | Partial |
Station Log
20m
UTC dB Freq Message 070230 -2 1606 K4BTR F5NNN 73 070330 -13 2803 K4BTR PA1VW JO22 (x2) 070730 -14 1397 K4BTR M7CLI -13 071200 -11 1446 K4BTR F5PBG IN78 (x3) 061645 -13 2378 K4BTR OD5KU KM73 (x6) 024700 -9 675 K4BTR CR7BRV -15 (x2)
40m
UTC dB Freq Message 012430 -10 1637 K4BTR F5PBG IN78 012530 -1 1538 K4BTR DK7ZT -11 012530 -8 1637 K4BTR F5PBG R-08 (x2) 030230 -20 1538 K4BTR DK7ZT -06 030915 -14 2024 K4BTR HB10GBT -09 (x2) 031045 -11 2024 K4BTR <...> -09 024645 -2 2075 K4BTR PA4G -10 (x5) 025230 -9 1525 K4BTR F4JCU JN16 (x2)