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: 41.625333
Longitude: -83.671056

Site Elevation:
190.62 meters

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

Height Above Average Terrain:
69 meters, based on 8 radials.
(rounded from 69.04 m)

HAAT Along Each Radial:

Azimuth HAAT
065.13
4578.16
9078.27
13572.24
18072.07
22567.6
27060.43
31558.41