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A coverage map may be produced to indicate the area in which a certain signal strength is delivered. [1] Even if it is 100% accurate (which it never is), a major factor on whether a signal is receivable depends very much on whether the receiving apparatus is sensitive enough to use a signal of that level.
This page was last edited on 21 December 2024, at 16:44 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
ZCTAs or ZIP Code Tabulation Areas are the census equivalent of ZIP codes used for statistical purposes. The reason why regular ZIP codes are not used is because they are defined by routes rather than geographic boundaries. Thus, they have the tendency to overlap and otherwise create difficulties.
There are generally two widely accepted versions of a postal code: a ZIP code and a ZIP + 4 code. Established in 1963, ZIP codes are the most common and recognizable postal code used by the USPS.
Map of the 46 media markets in Canada. Markets are Designated Market Areas (DMAs), as listed at TV Radio World . Edmundston / Woodstock, NB is part of the Presque Isle, ME DMA .
ZIP codes are not truly areas, but rather a group of deliverable addresses. [2] Some or all of an existing ZIP code's addresses may be reassigned to a new ZIP if there is sufficient growth within a given postal ZIP Code. As many as 3% of ZIP codes undergo change each quarter. Thus, the 5-digit ZCTAs are of limited value in areas of growth or ...
A ZIP Code (an acronym for Zone Improvement Plan [1]) is a system of postal codes used by the United States Postal Service (USPS).
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