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: 39.706167
Longitude: -85.494694

Site Elevation:
295.94 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0164.22
45148.03
90157.06
135157.04
180166.59
225184.99
270185.7
315171.86