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: 37.548083
Longitude: -101.364056

Site Elevation:
932.57 meters

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

Height Above Average Terrain:
37 meters, based on 8 radials.
(rounded from 37.06 m)

HAAT Along Each Radial:

Azimuth HAAT
042.32
4539.35
9047.64
13546.6
18037.95
22523.38
27026.51
31532.75