Talk – Singapore Amateur Radio Transmitting Society

BEAR-4 Report

In our April 2022 SARTS meeting Lih Wei, 9V1LW, our payload specialist, gave an interesting report of the last balloon experiment (BEAR 4) and an outlook to BEAR 5.

bear-4

BEAR-4 Payload Download

Ham Radio via Satellites

Hardware, Software, Experiences

SARTS talk by Klaus, 9V1KG, 29th July 2021

Klaus presented his setup and experiences working linear Satellites.

Satellites-9V1KG presentation (pdf)Download

Satellite Audio Samples

Hope 1 CW telemetry

TO-108 – some strange tones before the CW transmission starts

Athenoxat-1 – Singapore Satellite from Giulio, 9V1FC

Calling CQ on RS-44 – right channel: CW side tone, left channel: signal from the satellite. Clearly to hear the Doppler shift.

RZ0CQ calling in CW via RS-44

Tunig in my SSB signal

CQ SSB – right channel: Up link, left channel: Downlink

JA3IKC answering my call

Nayif-1 telemetry signal 1K2 BPSK

Satellite Operation Outdoor Planning SOOP

https://github.com/9V1KG/soop

First Singapore Station on QO-100

9V1HY, Haoyuan, Dec 2020

Haoyan, 9V1HY presented his setup to work as the first Singaporean HAM via the geostationary satellite QO-100. He holds the QO-100 satellite distance record of 16809 km between Singapore and Brasil.

QO-100 Download

Past SARTS Talks

Past talks until May 2019 by Jeff, 9V1AS

Home – Talks and Events