HAAT Calculator & Elevation Finder

Calculate elevation and height above average terrain (HAAT) using the FCC's API.

NAD83 Latitude:
- ' " *

NAD83 Longitude:
- ' " *

Radiation Center Height:
meters   *

- Above Mean Sea Level (RCAMSL)
- Above Ground Level (RCAGL)

Number of Radials:

Terrain Database:

Legacy FCC30 terrain is not available through the FCC API. Use the FCC HAAT Calculator instead.

Station Class for ERP Check: (optional)

Decimal Coordinates:
Latitude: 34.909306
Longitude: -81.002306

Site Elevation:
186.04 meters

Radiation Center Above Mean Sea Level (RCAMSL):
248 meters

Height Above Average Terrain:
70 meters, based on 8 radials.
(rounded from 69.96 m)

HAAT Along Each Radial:

Azimuth HAAT
071.31
4574.53
9072.16
13567.44
18077.07
22582.31
27068.59
31546.24