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):
285 meters

Height Above Average Terrain:
77 meters, based on 8 radials.
(rounded from 76.52 m)

HAAT Along Each Radial:

Azimuth HAAT
0101.51
45101.49
9095.92
13578.63
18063.55
22542.06
27061.89
31567.14