47 C.F.R. § 73.609 Zones.
Title 47 - Telecommunication
(a) For the purpose of allotment and assignment, the United States is divided into three zones as follows: (1) Zone I consists of that portion of the United States located within the confines of the following lines drawn on the U.S. Albers Equal Area Projection Map (based on standard parallels 29 (2) Zone II consists of that portion of the United States which is not located in either Zone I or Zone III, and Puerto Rico, Alaska, Hawaiian Islands and the Virgin Islands. (3) Zone III consists of that portion of the United States located south of a line, drawn on the United States Albers Equal Area Projection Map (based on standard parallels 29.50 and 45.50 North American datum), beginning at a point on the east coast of Georgia and the 31st parallel and ending at the United States-Mexican border, consisting of arcs drawn with a 241.4 kilometer (150 mile) radius to the north from the following specified points: When any of the above arcs pass through a city, the city shall be considered to be located in Zone II. (See Figure 2 of §73.699.) [28 FR 13660, Dec. 14, 1963, as amended at 33 FR 15422, Oct. 17, 1968; 50 FR 23697, June 5, 1985; 51 FR 44070, Dec. 8, 1986]
Title 47: Telecommunication
PART 73—RADIO BROADCAST SERVICES
Subpart E—Television Broadcast Stations
§ 73.609 Zones.
------------------------------------------------------------------------ North West latitude longitude------------------------------------------------------------------------(a)......................................... 29°40[mi 83°24[mi n]00[sec] n]00[sec](b)......................................... 30°07[mi 84°12[mi n]00[sec] n]00[sec](c)......................................... 30°31[mi 86°30[mi n]00[sec] n]00[sec](d)......................................... 30°48[mi 87°58[mi n]00[sec] n]30[sec](e)......................................... 30°00[mi 90°38[mi n]00[sec] n]30[sec](f)......................................... 30°04[mi 93°19[mi n]30[sec] n]00[sec](g)......................................... 29°46[mi 95°05[mi n]00[sec] n]00[sec](h)......................................... 28°43[mi 96°39[mi n]00[sec] n]30[sec](i)......................................... 27°52[mi 97°32[mi n]30[sec] n]00[sec]------------------------------------------------------------------------

