DS4DBF — FT8 station from Republic of Korea

Republic of Korea Grid: LN04

Amateur radio station DS4DBF operating from Republic of Korea (grid square LN04). 198 FT8 spots received at SO8OO WebSDR, active on 40m, 20m, 10m, over 19 days, best SNR +22 dB. Heard between 2026-04-21 and 2026-06-28.

FT8DB and SO8OO WebSDR are a hobby project maintained solo. ☕ Buy me a coffee

Overview

198
Total spots
0
CQ calls
19
Days active
-3 dB
Avg SNR

Bands

20m 40m 10m
First seen: 2026-04-21
Last seen: 2026-06-28 07:29 UTC

Frequent QSO partners observed at SO8OO

Stations DS4DBF worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandDS4DBFPartnerPartner SNRMsgs
06-18 20:46 40m -7 / - SV9QWC - / -17 2 Partial
06-18 20:29 20m +2 / - LZ2VQ - / - 3 Partial
06-18 20:25 20m +5 / - LZ4VR -12 / +5 4 ✓ Verified
06-18 20:24 20m +4 / - Z32C -10 / -3 3 ✓ Verified
06-14 21:08 40m -3 / - IQ9BF - / -17 3 ✓ Confirmed
05-31 21:22 20m -6 / - EA1FUB - / - 11 Partial
05-31 21:19 20m - / -16 IZ8EYN -2 / - 2 Partial
05-31 21:17 20m - / -12 Z34CMF -2 / - 4 ✓ Confirmed
05-27 21:32 20m - / - TT1GD -12 / - 2 Partial
05-21 21:48 20m -10 / - EA7AQY - / -17 2 Partial
05-21 21:47 20m - / -11 SV1HFE -11 / - 2 ✓ Confirmed
05-21 21:39 20m +14 / - EA4T - / -9 2 Partial
05-21 21:39 20m -10 / - EA7AK -2 / -10 3 ✓ Verified
05-21 21:37 20m +4 / -6 EA5W -4 / -4 6 ✓ Complete
05-21 21:36 20m - / +7 OE3UKW 0 / - 2 ✓ Confirmed
05-21 21:33 20m - / -17 DL2RUG +2 / - 2 ✓ Confirmed
05-21 21:32 20m -6 / - F5PBG - / - 4 Partial
05-21 21:31 20m - / -7 DL9KM +4 / - 2 ✓ Confirmed
05-21 21:29 20m +11 / -3 EA3EDU +4 / -18 9 Partial
05-21 21:28 20m - / -13 <...> +4 / - 2 Partial
05-21 20:45 20m -4 / - 7Z1FV - / -14 2 ✓ Confirmed
05-20 21:03 20m +2 / - EA7CU - / - 2 Partial
05-19 21:07 20m - / -5 DJ0MAB -12 / - 2 ✓ Confirmed
05-19 21:06 20m -3 / -9 EA7EZ -12 / - 5 ✓ Verified
05-19 21:00 20m +8 / -17 4O4DB -10 / -1 5 ✓ Complete
05-13 21:11 20m -2 / - PD3FJJ - / - 2 Partial
05-13 21:07 20m -12 / - PD2PE - / - 5 Partial
05-13 21:04 40m -7 / - TA2GG - / - 4 Partial
05-13 20:35 40m -3 / - ON4WX - / - 7 Partial
05-12 20:36 40m -12 / - R7GA - / - 2 Partial
05-12 20:34 40m +4 / - PA3HFT - / - 2 Partial
05-12 20:34 40m +4 / - US2YW - / - 3 Partial
05-12 20:31 40m -18 / - G3YPP - / - 4 Partial
05-12 20:31 40m +13 / - DL3MIB - / -12 3 ✓ Confirmed
05-12 20:31 40m +2 / - US2YW - / - 2 Partial
05-12 10:21 20m +18 / - ON6AA - / -12 8 ✓ Confirmed
05-11 21:54 20m 0 / -14 ZB2CM -8 / - 10 ✓ Verified
05-06 21:37 20m +2 / - EA1FUB - / - 4 Partial
05-06 21:34 20m +13 / -8 EA5BYS -13 / -5 3 Partial
05-06 21:33 20m - / - TF4M -12 / - 3 Partial
05-06 21:32 20m +5 / - EA5JKT - / - 2 Partial
05-06 21:31 20m - / - YT3D -8 / - 3 Partial
05-04 21:42 20m -21 / - F5RRS - / -18 4 ✓ Confirmed
05-04 21:38 20m +2 / - EC3A - / -10 2 ✓ Confirmed
05-04 21:37 20m +10 / - JY5IB - / -11 2 ✓ Confirmed
04-30 16:08 20m - / - 7P8WR -6 / - 3 Partial
04-30 15:11 20m -10 / - UA9LLE - / - 4 Partial
04-23 21:57 20m -18 / - TF8KW - / -7 2 ✓ Confirmed
04-23 20:55 40m - / - JW5E -20 / - 2 Partial
04-22 21:10 40m +7 / - <...> - / -9 4 Partial

Station Log

10m 
UTC    dB  Freq  Message
100645 -22 2089  DS4DBF 8Q7PR 73
102400 -15  813  DS4DBF ZS3W RR73
092945  -9 2599  DS4DBF RA6YZ LN04
40m 
UTC    dB  Freq  Message
203800  -3 2144  DS4DBF ON4WX JN29 (x3)
210200  +7 2631  DS4DBF DJ2KP JO42
210400  -7 1050  DS4DBF TA2GG KM59 (x4)
210600 -14 1640  DS4DBF IQ9NI -12
210800  -4  431  DS4DBF IQ9BF -17 (x3)
204645  -6  828  DS4DBF SV9QWC -17 (x2)
203415 -14  835  DS4DBF 4L6EZ RR73
20m 
UTC    dB  Freq  Message
212500  -3 2331  DS4DBF EA1FUB IN53 (x5)
202400  +0 2934  DS4DBF Z32C -03 (x2)
202445 -10 1951  Z32C DS4DBF 73
202500  +5 1353  DS4DBF LZ4VR KN13 (x2)
202545 -12 1950  LZ4VR DS4DBF RR73
202600  +4 1353  DS4DBF LZ4VR 73
202930  +1 1950  DS4DBF LZ2VQ KN23 (x3)

SNR History by Band