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COMS-1 - Receiving Weather Images

April 13, 2019 - sam210723

This post is a guide for setting up the hardware and software required to receive images from geostationary weather satellite COMS-1.
It also covers the types of images that can be received, image post-processing (overlays, false colour, animation), data decryption, the future of COMS-1 and its replacement GK-2A.

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COMS-1 - Turning RF into Images

April 13, 2019 - sam210723

In this post I'll be covering the technical details of the COMS-1 LRIT downlink including RF demodulation, channel demultiplexing, file decryption, data formats and image generation.

For a step-by-step guide to receiving COMS-1 LRIT yourself, see Receiving Weather Images. For all the technical details, keep reading.

Downlinks

There are three metrology-rela...
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COMS-1 - LRIT Key Decryption

June 26, 2018 - sam210723

Like NOAA's series of GOES meteorological satellites, COMS-1 (128.2°E) operated by the Korean Meteorological Agency (KMA) has both LRIT and HRIT downlinks for disseminating real-time meteorological data. Unlike GOES, these downlinks are encrypted using single-layer DES and decryption keys are controlled by KMA through a...
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GK-2A Test Week

July 5, 2019 - sam210723

Between Monday 2nd and Friday 5th of July 2019 the Korean Meteorological Administration's National Meteorological Satellite Center conducted testing of their new geostationary weather satellite Read more



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goesrecv Monitor

July 7, 2019 - sam210723

goesrecv Monitor is a software utility for monitoring the status of goesrecv by Pieter Noordhuis. goesrecv is a BPSK demodulator and CCSDS decoder used with LRIT and HRIT downlinks from geostationary weather satellites like GOES-16/17 and COMS-1.

Getting Started

Pre-built Windows executables can be fou...
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