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: 40.748444
Longitude: -73.985694

Site Elevation:
14.65 meters

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

Height Above Average Terrain:
417 meters, based on 8 radials.
(rounded from 417.03 m)

HAAT Along Each Radial:

Azimuth HAAT
0395
45419.63
90418.29
135420.24
180414.04
225428.74
270420.71
315419.56