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: 40.035389
Longitude: -75.174889

Site Elevation:
68.13 meters

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

Height Above Average Terrain:
75 meters, based on 8 radials.
(rounded from 75.09 m)

HAAT Along Each Radial:

Azimuth HAAT
034.12
4566.22
90105.46
135115.17
180111.1
22572.79
27037.05
31558.81