YB4SJA — FT8 station from Indonesia

Indonesia Grid: ?

Amateur radio station YB4SJA operating from Indonesia. 26 FT8 spots received at SO8OO WebSDR, active on 20m, 10m, over 3 days, best SNR +15 dB. Heard between 2026-05-04 and 2026-06-04.

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

Overview

Total spots

CQ calls

Days active

-3 dB

Avg SNR

Bands

20m 10m

First seen: 2026-05-04
Last seen: 2026-06-04 07:06 UTC

Frequent QSO partners observed at SO8OO

Stations YB4SJA worked most often, as logged from our receiver:

EC4TR · Spain ON7DMQ · Belgium

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

Time	Band	YB4SJA	Partner	Partner SNR	Msgs
06-04 09:05	10m	+15 / -	ON7DMQ	- / -13	2	✓ Confirmed
06-04 08:59	10m	-8 / -	F4MQR	- / -	2	Partial
06-04 08:55	10m	-15 / -	EC4TR	- / -14	5	✓ Confirmed
06-04 08:46	10m	+5 / -	PA3FPQ	- / -	3	Partial
06-04 08:38	10m	0 / -	DL3MIB	- / -	4	Partial
06-04 08:35	10m	+11 / -	F1PBZ	- / -19	3	Partial
06-04 08:35	10m	-10 / -	PA3FPQ	- / -	3	Partial

Station Log

10m

UTC    dB  Freq  Message
083845  +1  812  YB4SJA DL3MIB JN57 (x3)
084645  +5  598  YB4SJA PA3FPQ JO32 (x3)
085545 -10 1215  YB4SJA EC4TR IN80 (x5)
085945  -8 2039  YB4SJA F4MQR JO10 (x2)
090545 +15 2338  YB4SJA ON7DMQ -13 (x2)

20m

UTC    dB  Freq  Message
131115  -1  401  YB4SJA RW0SR OO22