Interesting stuff you should know! Archives - Page 2 of 3

The Kessler Syndrome

July 6, 2024September 23, 2024 Carl 2 Comments

Interesting stuff you should know!, News, Satellites, Science, Space Weather

Updated July 6, 2024 On 11 January 2007, China conducted an anti-satellite missile test. A China weather satellite—the FY-1C polar-orbiting satellite of the Fengyun series, at an altitude of 865 kilometers (537 mi), with a mass of 750 kilograms (1,650 lb) —was destroyed by a kinetic kill vehicle traveling at a speed of 8 km/s (18,000 mph) in the opposite direction. A Head-On Engagement attack like this has … Delve Deeper “The Kessler Syndrome” »

False Color Imagery

June 9, 2024July 10, 2024 Carl

Imagery Processing, Interesting stuff you should know!, Satellites, Science, Software

Spectral Imagery and False Colorization of Geostationary Satellite Data Updated June 9th 2024 Geostationary satellites like GOES, Himawari, Meteosat, FENGYUN, and Elektro primarily acquire imagery in various infrared (IR) bands along the electromagnetic spectrum. While some possess limited visible band capabilities (typically blue and red), these are often desaturated and not used for generating true-color … Delve Deeper “False Color Imagery” »

Argh-who took a chunk out of my image?

May 5, 2024February 22, 2025 Carl

Imagery Processing, Interesting stuff you should know!, Satellites, Science

Argh-who took a chunk out of my image? Updated 01.14.2025 If you are seeing strange images around 05:00 -09:30 UTC Depending on orbital position and satellite, like the ones below, don’t immediately run to check all your settings and connections!! It can happen around satellite local midnight time, and the ABI would see a direct … Delve Deeper “Argh-who took a chunk out of my image?” »

Hunga Tonga Eruption

January 20, 2024November 4, 2024 Carl

Imagery Processing, Interesting stuff you should know!, News, Satellites, Science

Hunga Tonga Hunga Haʻapai Eruption On 20 December 2023 Hunga Tonga Hunga Haʻapai erupted after being relatively inactive since 2014, causing a large plume that was visible from Nukuʻalofa. The Volcanic Ash Advisory Centre Wellington NZ issued an advisory to airlines. Explosions could be heard up to 170 kilometers (110 mi) away. The initial eruption continued until 2 am on … Delve Deeper “Hunga Tonga Eruption” »

SARSAT: The Technology Behind Saving Lives

March 18, 2023July 10, 2024 Carl

Interesting stuff you should know!, Life, Satellites

COSPAS/SARSAT: The Technology Behind Saving Lives COSPAS/SARSAT is a technology that has been instrumental in saving countless lives over the years. It is a system that utilizes satellites and ground-based receivers to detect and locate emergency distress beacons, providing critical assistance to search and rescue operations around the world. COSPAS-SARSAT is an international satellite-based search … Delve Deeper “SARSAT: The Technology Behind Saving Lives” »

The altered life of GOES-3

March 6, 2023July 10, 2024 Carl

Interesting stuff you should know!, Satellites, Science

GOES-3 weather satellite did not go gently into that goodnight…. For over 20 years, the South Pole relied on the GOES-3 weather satellite for communication links with the outside world. However, this satellite was decommissioned in 2016 after 38 years in operation. GOES-3 was launched in 1978 aboard a Delta 2914 carrier rocket, the satellite … Delve Deeper “The altered life of GOES-3” »

Who are Satellite Data and Imaging Enthusiasts?

February 22, 2023July 10, 2024 Carl

Interesting stuff you should know!, Life, News, Satellites, Science

We’re like kids in a candy store, except the candy store is a never-ending galaxy of pixels and the candy is data and images of the Earth from space. They can tell you the exact location of any given spot on the planet just by looking at a grainy satellite image. They see patterns and … Delve Deeper “Who are Satellite Data and Imaging Enthusiasts?” »

Nuclear Winter Primer

February 15, 2023September 30, 2024 Carl

Interesting stuff you should know!, Life

As a young man I read all of Carl Sagan’s books, and even some of his papers, and once, was lucky enough to attend one of his lectures he gave at a local University. One of the papers he co-authored that I read was “Global Atmospheric Consequences of Nuclear War” which is the foundation on … Delve Deeper “Nuclear Winter Primer” »

Going Green, and to Extremes!

August 15, 2022April 6, 2025 Carl

Hardware, Interesting stuff you should know!, Life, Science

Going Green, and to Extremes! Sometimes, you just have to share, and this really deserves to be seen! A Self-Sufficient Sentinel: Manuel Lausmann’s Remote Satellite Ground Station in Arctic Norway In the remote and challenging environment of Sør-Helgeland, North Norway (JP65EQ), Manuel Lausmann (DO3MLA) has constructed a remarkable, self-powered satellite ground receiving station. This installation … Delve Deeper “Going Green, and to Extremes!” »

AWS-1 , AWS- 3 and LIGADO interference and HRIT/GRB, HRPT

March 23, 2022July 10, 2024 Carl

Interesting stuff you should know!, News, Satellites, Science

UPDATED 05-04-2022 Electromagnetic interference (EMI) refers to the disruption of a system’s operation due to an electromagnetic field created by the same or another electronic system. EMI is common and can affect any electronic system. The fifth generation of mobile technologies (5G) is no exception. 4G and 5G deployments can cause serious EMI issues too, … Delve Deeper “AWS-1 , AWS- 3 and LIGADO interference and HRIT/GRB, HRPT” »