YC1SDM — FT8 station from Indonesia

Indonesia Grid: JN54

Amateur radio station YC1SDM operating from Indonesia (grid square JN54). 48 FT8 spots received at SO8OO WebSDR, 11 CQ calls, active on 10m, over 4 days, best SNR +9 dB. Heard between 2026-05-01 and 2026-06-10.

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

Overview

48
Total spots
11
CQ calls
4
Days active
-8 dB
Avg SNR

Bands

10m
First seen: 2026-05-01
Last seen: 2026-06-10 05:21 UTC

Frequent QSO partners observed at SO8OO

Stations YC1SDM worked most often, as logged from our receiver:

Activity Heatmap

Location

QSO Logbook (as observed from SO8OO)

Format: our rx / partner reports

TimeBandYC1SDMPartnerPartner SNRMsgs
06-10 07:20 10m -5 / - IK4LZH - / - 3 Partial
06-09 13:57 10m -4 / - HB9CCM - / -5 3 ✓ Confirmed
06-09 13:57 10m -6 / - HB9MGS - / -11 3 ✓ Confirmed
06-09 13:56 10m -10 / - HB9HST - / -4 2 ✓ Confirmed
06-09 13:43 10m -18 / +3 F8VNU -17 / -12 3 Partial
06-09 13:43 10m +4 / - IZ3XEF -14 / -22 4 ✓ Verified
06-09 13:39 10m +5 / - IZ3XEF - / -22 2 Partial
06-09 13:22 10m - / +2 YL2CI -16 / - 2 ✓ Confirmed
06-09 13:16 10m - / -10 OK1CI -9 / - 2 ✓ Confirmed
06-09 13:15 10m -10 / -5 UA6EED -10 / -16 7 ✓ Complete
06-09 13:11 10m - / -10 9A4ZM -10 / - 4 Partial
06-09 13:10 10m -12 / - RW3SK -10 / - 3 ✓ Verified
06-09 13:06 10m - / -24 YL3ATH -12 / - 3 Partial
06-09 13:01 10m - / -14 LZ1LZ -13 / - 3 ✓ Confirmed
05-03 10:13 10m -8 / - UN7GDB - / -23 4 Partial
05-01 08:09 10m -18 / - RX6AM - / -11 3 ✓ Confirmed

Station Log

10m 
UTC    dB  Freq  Message
134415  +1 2390  YC1SDM IZ3XEF R-22
134430 -14 1382  IZ3XEF YC1SDM RR73
134445  +3 2391  YC1SDM IZ3XEF 73
135615 -13 1383  YC1SDM HB9HST R-04 (x2)
135715 -16 1390  YC1SDM HB9MGS JN37
135715  -2 1340  YC1SDM HB9CCM JN47 (x3)
135845  -3  984  YC1SDM HB9MGS R-11 (x2)
140230 -22 1382  F4MXT YC1SDM -19
072045  -3  491  YC1SDM IK4LZH JN54 (x3)

SNR History by Band