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: 46.607889
Longitude: -90.836944

Site Elevation:
195.84 meters

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

Height Above Average Terrain:
63.52 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
088.51
4588.49
9082.92
13565.63
18050.55
22529.06
27048.89
31554.14