Space environmental monitor

From Glossary of Meteorology

Space Environmental Monitor

(Abbreviated SEM.) A multichannel, charged particle spectrometer that measures the population of charged particles that compose the earth's radiation belts and the related phenomena resulting from solar activity.

SEM packages are flown on the GOES, GMS, and POES series of satellites.

Copyright 2022 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact [email protected]. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.