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: 34.226472
Longitude: -118.066917

Site Elevation:
1733.87 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1852 meters

Height Above Average Terrain:
956 meters, based on 8 radials.
(rounded from 955.63 m)

HAAT Along Each Radial:

Azimuth HAAT
0419.29
45427.4
90693.86
1351412.99
1801534.96
2251492.64
2701024.13
315639.8