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: 39.814444
Longitude: -83.056111

Site Elevation:
239.18 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
098.05
45109.53
90113.97
135119.02
18095.62
22578.3
27067.48
31564.39