Simulator benefits: With a simulator, it is not possible for navigation data errors to occur, unless they are deliberately applied. Atmospheric errors The GPS signals have to pass through the layers of the atmosphere, which in its two main parts comprises the Ionosphere and the Troposphere.
Affix, a grammatical element that is combined with a word, stem, or phrase to produce derived or inflected forms. There are three main types of affixes: prefixes, infixes, and suffixes. A prefix occurs at the beginning of a word or stem (sub-mit, pre-determine, un-willing); a suffix at the end (wonder-ful, depend-ent, act-ion); and an infix occurs in the middle.
An affix is a letter or series of letters attached to the beginning or end of a word, word base, or phrase to produce a derivative word with a new meaning. For example, in the word termitary, the suffix -ary, meaning connected with or belonging to, is attached to the end of the word termite (after dropping the e).