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: 43.073111
Longitude: -73.801417

Site Elevation:
94.69 meters

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

Height Above Average Terrain:
-1 meters, based on 8 radials.
(rounded from -1.1 m)

HAAT Along Each Radial:

Azimuth HAAT
0-66.49
4548.39
9057.22
13551.1
18058.01
22513.95
270-42.69
315-128.29