If we record the ground motion at a single location for a range of time, we can measure the time between peaks in the motion, which we call the wave period. Another important term is frequency, which is the inverse of the period, or one divided by the peak-to-peak time between wave crests.
The Universities and Colleges Admissions Service (UCAS) is a UK-based organisation whose main role is to operate the application process for British universities.
Subpart 1843.70âUndefinitized Contract Actions 1843.7001 Definitions. Undefinitized contract action (UCA) means a unilateral or bilateral con-tract modification or delivery/task order in which the final price or esti-mated cost and fee have not been nego-tiated and mutually agreed to by NASA and the contractor. (Issuance of