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: 34.238056
Longitude: -119.202611

Site Elevation:
17.46 meters

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

Height Above Average Terrain:
-35 meters, based on 8 radials.
(rounded from -35.42 m)

HAAT Along Each Radial:

Azimuth HAAT
0-259.74
45-21.14
90-14.37
13521.78
18029.49
22532
27032.8
315-104.18