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: 37.646944
Longitude: -76.394722

Site Elevation:
13.1 meters

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

Height Above Average Terrain:
63 meters, based on 8 radials.
(rounded from 62.88 m)

HAAT Along Each Radial:

Azimuth HAAT
049.65
4566.83
9067.61
13567.79
18063.45
22558.52
27067.7
31561.53