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Definitions:

Initial signal by satellite conducted when first put into mission operation in order to establish communications with command and control and report initial operating status.
Sources:
NIST IR 8270

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.