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: 30.514889
Longitude: -90.466472

Site Elevation:
13.1 meters

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

Height Above Average Terrain:
44 meters, based on 8 radials.
(rounded from 43.72 m)

HAAT Along Each Radial:

Azimuth HAAT
034.01
4537.01
9045.97
13549.59
18052.18
22549.65
27043.54
31537.83