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: 41.961694
Longitude: -86.350556

Site Elevation:
200.38 meters

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

Height Above Average Terrain:
150 meters, based on 8 radials.
(rounded from 150.05 m)

HAAT Along Each Radial:

Azimuth HAAT
0153.12
45141.78
90138.81
135143.41
180151.48
225147.16
270154.96
315169.69