YF9UBD — FT8 station from Indonesia

Indonesia Grid: JM49

Amateur radio station YF9UBD operating from Indonesia (grid square JM49). 39 FT8 spots received at SO8OO WebSDR, 4 CQ calls, active on 20m, 10m, over 8 days, best SNR +20 dB. Heard between 2026-05-02 and 2026-06-09.

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

Overview

39
Total spots
4
CQ calls
8
Days active
-4 dB
Avg SNR

Bands

20m 10m
First seen: 2026-05-02
Last seen: 2026-06-09 08:29 UTC

Frequent QSO partners observed at SO8OO

Stations YF9UBD worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandYF9UBDPartnerPartner SNRMsgs
06-09 10:28 10m -8 / - IS0HGX - / - 2 Partial
05-10 13:11 20m +6 / - ON6AA - / - 2 Partial
05-10 13:11 20m +5 / - RM4N - / -16 2 Partial
05-10 13:00 20m +14 / - ON6AA - / - 4 Partial
05-07 11:56 20m -3 / - UA4FKT - / - 4 Partial
05-06 21:27 20m -9 / - EA3EQS - / -16 3 ✓ Confirmed
05-05 16:53 20m -14 / - LZ4VR - / - 3 Partial
05-02 07:57 20m +2 / - EA5XA - / - 4 Partial

Station Log

10m 
UTC    dB  Freq  Message
121945 -23 1136  CQ YF9UBD QI07
102830  -7  585  YF9UBD IS0HGX JM49 (x2)
20m 
UTC    dB  Freq  Message
150445 +10 2374  YF9UBD F5HNQ IN98
150730 -14 1165  CQ YF9UBD QI07                        a1
150745  -9 2842  YF9UBD PD9FLX JO22
150845 -16 1166  YF9UBD M7IJS IO83
125845  -7  565  YF9UBD UA1OIZ LP04
130045 +12 2498  YF9UBD ON6AA JO11 (x3)
130215  -6 2245  YF9UBD R8QA -20
130215 +20 2498  YF9UBD ON6AA JO11 (x3)
131145  +3 2238  YF9UBD RM4N -16 (x2)
131245  +8 2498  YF9UBD ON6AA JO11

SNR History by Band