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: 40.798722
Longitude: -72.877333

Site Elevation:
13.73 meters

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

Height Above Average Terrain:
-12 meters, based on 8 radials.
(rounded from -12.48 m)

HAAT Along Each Radial:

Azimuth HAAT
0-25.66
45-21.73
90-2.76
135-1.15
180-0.78
225-1.4
270-19.25
315-27.15