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: 42.582000
Longitude: -76.555750

Site Elevation:
323.24 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
049.35
4552.34
90-2.37
13566.27
180121.4
225111.53
270128.17
315151.93