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: 30.694167
Longitude: -94.936944

Site Elevation:
91.02 meters

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

Height Above Average Terrain:
56 meters, based on 8 radials.
(rounded from 56.37 m)

HAAT Along Each Radial:

Azimuth HAAT
067.19
4522.7
9029.87
13538.91
18076.51
22578.73
27077.57
31559.44