Submit inquiries to Peter by email at: AA6SF (at) ARRL (dot) net Write “2 Meter Practice” in Subject Line.
Photo July 1967, mountain top North West of Danang, Republic of Viet Nam
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Definition of Critical Mass
- Point of change: a point or situation at which change occurs
- Necessary size or amount: the size or amount of something that is required before an activity or event can take place
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