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: 26.180056
Longitude: -97.502167

Site Elevation:
4.72 meters

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

Height Above Average Terrain:
90 meters, based on 8 radials.
(rounded from 89.57 m)

HAAT Along Each Radial:

Azimuth HAAT
091.32
4592.1
9091.07
13590.09
18088.78
22587.58
27086.75
31588.87