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: 41.605333
Longitude: -86.212500

Site Elevation:
257.62 meters

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

Height Above Average Terrain:
103 meters, based on 8 radials.
(rounded from 103.34 m)

HAAT Along Each Radial:

Azimuth HAAT
0113.14
45114.8
9095.92
13591.9
18094.6
22589.47
270111.85
315115.01