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MS Symptoms Early

Acronym: SDH

Category: NASA Acronyms

Meaning / Stands for:

	Acronym	Meaning
	NC	Normally Closed
	LSO	Large Solar Observatory
	PF	Preflight
	NH4	HNH4 Hydrazine
	FU	Flight Unit
	UDS	Universal Documentation System
	LC	Integrated Circuit
	PER	Preliminary Engineering Report
	ECF	Element Charge Factor
	SPS	Samples Per Second