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: 29.713167
Longitude: -95.205556

Site Elevation:
6.94 meters

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

Height Above Average Terrain:
12 meters, based on 8 radials.
(rounded from 12.39 m)

HAAT Along Each Radial:

Azimuth HAAT
012.89
4515.37
9014.29
13513.95
18011.24
2259.44
27012.37
3159.57