Help with Abbreviations and Units of Measure


 

This workbook uses standard abbreviations for units of measure. Units of measure are listed below. Refer to the Glossary in Appendix A for further help. As is the case when you are studying any subject, you should also have a good English dictionary at hand.

 

k             (with a unit of measure) kilo (10 3 , or thousand)

M            (with a unit of measure) Mega (10 6 , or million)

G       (with a unit of measure) Giga (10 9 , or billion; in countries using the metric system outside the USA,

                                                              a billion is 10 12 . Giga, however, is always 10 9 .)

T       (with a unit of measure) Tera (10 12 , or a million million)

P       (with a unit of measure) Peta (10 15 )

E       (with a unit of measure) Exa (10 18 )

Hz       Hertz

K       Kelvin

m       meter (USA spelling; elsewhere, metre)

nm       nanometer (10 -9 meter)

 

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Basics of Radio Astronomy