KS4RF — FT8 station from United States
Amateur radio station KS4RF operating from United States (grid square KO02). 166 FT8 spots received at SO8OO WebSDR, active on 80m, 40m, 20m, over 22 days, best SNR +13 dB. Heard between 2026-04-20 and 2026-06-15.
FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee
Overview
166
Total spots
0
CQ calls
22
Days active
-3 dB
Avg SNR
Bands
80m
20m
40m
First seen: 2026-04-20
Last seen: 2026-06-15 06:17 UTC
Last seen: 2026-06-15 06:17 UTC
Frequent QSO partners observed at SO8OO
Stations KS4RF worked most often, as logged from our receiver:
Activity Heatmap
Location
QSO Logbook (as observed from SO8OO)
Format: our rx / partner reports
| Time | Band | KS4RF | Partner | Partner SNR | Msgs | |
|---|---|---|---|---|---|---|
| 06-15 08:16 | 20m | +2 / - | SP5LST | - / - | 2 | Partial |
| 06-15 07:58 | 20m | -10 / - | M7GFJ | - / - | 2 | Partial |
| 06-15 07:58 | 20m | -8 / - | SA2KLM | - / - | 2 | Partial |
| 06-14 04:54 | 20m | +4 / - | LX1TI | -2 / - | 3 | ✓ Verified |
| 06-13 23:37 | 20m | 0 / -6 | EA8RY | -8 / -4 | 14 | ✓ Complete |
| 06-13 02:14 | 80m | +5 / - | LZ370TL | -18 / -12 | 2 | Partial |
| 06-13 01:54 | 40m | -7 / - | SV5BYP | - / -19 | 3 | ✓ Confirmed |
| 06-10 02:41 | 20m | -8 / - | K8HO | -7 / - | 4 | ✓ Complete |
| 06-09 03:01 | 20m | - / -7 | K0AJW | -4 / - | 2 | ✓ Confirmed |
| 06-09 02:54 | 20m | -22 / - | HB9TIH | -7 / - | 3 | ✓ Verified |
| 06-09 02:53 | 20m | - / - | UR9QQ | 0 / - | 2 | ✓ Confirmed |
| 06-09 02:52 | 20m | - / -8 | 9A4ZM | +6 / - | 2 | ✓ Confirmed |
| 06-09 02:51 | 20m | - / -17 | UR3HC | +8 / - | 2 | ✓ Confirmed |
| 06-09 02:48 | 20m | - / -7 | MI7XHT | -4 / - | 2 | ✓ Confirmed |
| 06-09 02:47 | 20m | -19 / - | YT3PL | -10 / - | 3 | ✓ Verified |
| 06-08 02:02 | 20m | - / - | 9X5KM | -6 / - | 4 | Partial |
| 06-02 23:33 | 20m | -18 / - | CS7BHA | - / -7 | 2 | ✓ Confirmed |
| 06-02 02:37 | 20m | - / -7 | KE5KVJ | -3 / - | 3 | ✓ Confirmed |
| 06-02 02:33 | 20m | - / -5 | KD0XD | +3 / - | 3 | Partial |
| 06-02 02:19 | 20m | -2 / - | R7WA | - / - | 2 | Partial |
| 06-02 02:18 | 20m | - / +3 | K9DXA | -2 / - | 3 | ✓ Confirmed |
| 06-02 00:46 | 20m | - / - | KG5POL | -15 / - | 2 | Partial |
| 05-28 21:48 | 20m | -1 / -10 | 9H4JX | -16 / - | 4 | Partial |
| 05-22 23:02 | 20m | -13 / - | YO4NF | - / -14 | 2 | Partial |
| 05-21 00:36 | 20m | - / - | 3A2MW | -9 / - | 3 | Partial |
| 05-19 04:48 | 20m | - / -15 | UR5FFC | -13 / - | 2 | ✓ Confirmed |
| 05-19 04:47 | 20m | - / - | XT2AW | -11 / - | 2 | Partial |
| 05-19 04:44 | 20m | - / -9 | HG8LXL | -12 / - | 2 | Partial |
| 05-19 04:34 | 20m | -10 / - | XT2AW | -8 / -20 | 6 | Partial |
| 05-19 03:24 | 80m | -10 / - | F5PBG | - / - | 3 | Partial |
| 05-19 03:20 | 80m | -4 / - | DD8BA | - / - | 2 | Partial |
| 05-19 03:20 | 80m | -1 / - | DL5DQZ | - / - | 3 | Partial |
| 05-19 03:20 | 80m | +11 / - | F5RRS | - / -15 | 2 | ✓ Confirmed |
| 05-19 03:20 | 80m | +11 / - | SP2IJ | - / - | 3 | Partial |
| 05-19 03:19 | 80m | +4 / - | DK7ZT | - / -8 | 2 | Partial |
| 05-19 03:19 | 80m | +1 / - | IW2DNI | - / - | 9 | Partial |
| 05-19 03:19 | 80m | +8 / - | S50XX | - / - | 2 | Partial |
| 05-19 03:15 | 80m | +7 / - | DK7ZT | - / -9 | 3 | Partial |
| 05-19 02:59 | 80m | +1 / - | DO9BAU | - / - | 5 | Partial |
| 05-19 02:59 | 80m | -3 / - | EA1IOK | - / - | 3 | Partial |
| 05-19 02:59 | 80m | -1 / - | HB9ALO | - / - | 3 | Partial |
| 05-19 02:59 | 80m | +6 / - | IU8SDA | - / - | 2 | Partial |
| 05-19 02:58 | 80m | +3 / - | PI4DX | -24 / - | 4 | ✓ Complete |
| 05-19 02:28 | 20m | -14 / - | R8LCA | - / - | 3 | Partial |
| 05-19 02:27 | 20m | -8 / -9 | R9HAK | -5 / - | 3 | ✓ Verified |
| 05-19 02:27 | 20m | -16 / -15 | R9LAU | -14 / -16 | 6 | ✓ Complete |
| 05-19 02:25 | 20m | -7 / - | XT2AW | -5 / -8 | 9 | Partial |
| 05-19 02:22 | 20m | - / - | XT2AW | -2 / - | 2 | Partial |
| 05-18 03:29 | 20m | - / -6 | EW2ZC | -9 / - | 3 | Partial |
| 05-17 01:21 | 40m | -18 / - | HK4EGW | - / -2 | 2 | ✓ Confirmed |
Station Log
20m
UTC dB Freq Message 233945 +0 714 KS4RF EA8RY RR73 234030 -11 710 EA8RY KS4RF EM72 234045 +2 714 KS4RF EA8RY -07 (x3) 045400 -3 588 LX1TI KS4RF R+11 045415 +4 589 KS4RF LX1TI RR73 045430 -1 588 LX1TI KS4RF 73 075830 -15 1189 KS4RF SA2KLM KP05 075830 -10 2394 KS4RF M7GFJ IO80 (x2) 075900 -1 1189 KS4RF SA2KLM KP05 080300 -3 2394 KS4RF M7GFJ IO80 081630 +1 2448 KS4RF SP5LST KO02 (x2)
80m
UTC dB Freq Message 032100 +10 513 KS4RF F5RRS 73 032130 +0 2338 KS4RF IW2DNI JN45 032130 -2 1131 KS4RF DL5DQZ JO61 032130 +12 2046 KS4RF SP2IJ JO82 032200 +3 2338 KS4RF IW2DNI JN45 (x5) 032415 -12 976 KS4RF F5PBG IN78 (x2) 032445 -13 2665 KS4RF DD8BA JO42 032545 -9 976 KS4RF F5PBG IN78 021415 -18 1530 LZ370TL KS4RF EM72 021430 +5 1530 KS4RF LZ370TL -12
40m
UTC dB Freq Message 000145 +8 931 KS4RF GB9SOS -08 (x2) 022045 +0 2083 KS4RF EA1EQ +01 (x2) 011900 -4 273 KS4RF D2UY -12 011915 -10 271 D2UY KS4RF R+02 011930 -5 273 KS4RF D2UY RR73 011945 -10 270 D2UY KS4RF 73 012130 -18 1731 KS4RF HK4EGW -02 (x2) 012345 -11 1308 KS4RF SV1AIN KM17 024530 -18 820 K8DF KS4RF R+32 015430 -11 1619 KS4RF SV5BYP -19 (x3)