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: 20.772333
Longitude: -156.244389

Site Elevation:
2089.08 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2094 meters

Height Above Average Terrain:
894 meters, based on 8 radials.
(rounded from 894.12 m)

HAAT Along Each Radial:

Azimuth HAAT
01379.04
451482.3
90885.86
135183.45
180148.02
225358.05
2701343.39
3151372.82