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posted by Fnord666 on Sunday May 27 2018, @09:46AM   Printer-friendly
from the blinded-by-the-heat dept.

Submitted via IRC for SoyCow3941

The US National Oceanic and Atmospheric Administration released some bad news today: the GOES-17 weather satellite that launched almost two months ago has a cooling problem that could endanger the majority of the satellite's value.

GOES-17 is the second of a new generation of weather satellite to join NOAA's orbital fleet. Its predecessor is covering the US East Coast, with GOES-17 meant to become "GOES-West." While providing higher-resolution images of atmospheric conditions, it also tracks fires, lightning strikes, and solar behavior. It's important that NOAA stays ahead of the loss of dying satellites by launching new satellites that ensure no gap in global coverage ever occurs.

The various instruments onboard the satellite have been put through their paces to make sure everything is working properly before it goes into official operation. Several weeks ago, it became clear that the most important instrument—the Advanced Baseline Imager—had a cooling problem. This instrument images the Earth at a number of different wavelengths, including the visible portion of the spectrum as well as infrared wavelengths that help detect clouds and water vapor content.

The infrared wavelengths are currently offline. The satellite has to be actively cooled for these precision instruments to function, and the infrared wavelengths only work if the sensor stays below 60K—that's about a cool -350°F. The cooling system is only reaching that temperature 12 hours a day. The satellite can still produce visible spectrum images, as well as the solar and lightning monitoring, but it's not a glorious next-gen weather satellite without that infrared data.

Source: https://arstechnica.com/science/2018/05/newest-noaa-weather-satellite-suffers-critical-malfunction/


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  • (Score: 2, Redundant) by requerdanos on Sunday May 27 2018, @07:06PM

    by requerdanos (5997) Subscriber Badge on Sunday May 27 2018, @07:06PM (#684880) Journal

    It absolutely is a critical malfunction.

    Your differing opinion is appreciated and noted.

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