Mast 1236825 — Madison, IN

At 12 m, structure 1236825 is about 17% of the 73 m average across the 37 structures registered in Jefferson County. It is about 16% of the Indiana average of 74 m across 5,032 registrations. Among the 3,482 registrations nationwide filed under the same structure-type code (MAST), the average overall height is 53 m, so this one is about 23% of that figure.

The supporting structure itself measures 10 m; antennas and other appurtenances on top bring the overall height above ground to 12 m. The site's filed ground elevation is 247 m, which puts the top of the structure 259 m above mean sea level.

The registration places the structure near Madison in Jefferson County, Indiana, at coordinates 38.76011, -85.46181, with the site address filed as "IMS Lane". Jefferson County has 37 FCC-registered antenna structures, the 57th-largest count among the 92 Indiana counties with registrations, and 28 of them are marked constructed. Indiana as a whole has 5,032 registrations, the 15th-largest total among the 50 states and DC.

The tallest other registered structure within about 40 km is La Grange, KY · 1042489, a guyed tower at 530 m (constructed).

Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1236825 on Nov 25, 2002. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 3,790 in Indiana.

The FCC record lists Madison Municipal Airport of Madison, IN as the registered owner, under FCC Registration Number 0007777907.

The registration cites FAA aeronautical study 2002-AGL-437-NRA, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".