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: 34.465250
Longitude: -119.677889

Site Elevation:
630.07 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0-33.08
45-59.49
90-188.88
135642.16
180656.05
225623.94
270510.51
31512.52