YF4SDF — FT8 station from Indonesia

Indonesia Grid: ?

Amateur radio station YF4SDF operating from Indonesia. 13 FT8 spots received at SO8OO WebSDR, active on 40m, over 2 days, best SNR -2 dB. Heard between 2026-04-22 and 2026-04-26.

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

Overview

Total spots

CQ calls

Days active

-11 dB

Avg SNR

Bands

40m

First seen: 2026-04-22
Last seen: 2026-04-26 13:09 UTC

Frequent QSO partners observed at SO8OO

Stations YF4SDF worked most often, as logged from our receiver:

R9CS · Asiatic Russia UD8D · Asiatic Russia

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	YF4SDF	Partner	Partner SNR	Msgs
04-26 15:08	40m	-9 / -	R9CS	- / -12	3	✓ Confirmed
04-26 15:08	40m	-4 / -	RY3K	- / -	2	Partial
04-26 15:01	40m	-8 / -	R3XS	- / -	2	Partial
04-22 13:57	40m	-15 / -	SP8WAS	- / -	4	Partial

Station Log

40m

UTC    dB  Freq  Message
135715 -15 1355  YF4SDF SP8WAS KO10 (x4)
150130  -8 1551  YF4SDF R3XS KO74 (x2)
150530 -12 1745  YF4SDF UG4L LO33
150630 -18 1924  YF4SDF UD8D RR73
150800  -7 1553  YF4SDF RY3K LO00
150830 -10  686  YF4SDF R9CS MO06
150830  -2 1553  YF4SDF RY3K LO00
150900  -6  686  YF4SDF R9CS R-12 (x2)