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: 39.186167
Longitude: -85.958056

Site Elevation:
208.48 meters

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

Height Above Average Terrain:
95 meters, based on 8 radials.
(rounded from 95.1 m)

HAAT Along Each Radial:

Azimuth HAAT
0102.36
45103.81
90105.48
135118.02
180109.06
22588.62
27062.86
31570.61