Before+that+time
131that — /dhat/; unstressed /dheuht/, pron. and adj., pl. those; adv.; conj. pron. 1. (used to indicate a person, thing, idea, state, event, time …
132Time division multiple access — This article is about the channel access method. The name TDMA is also commonly used in the United States to refer to Digital AMPS, which is an obsolete mobile telephone standard that uses TDMA to control channel access. Time division multiple… …
