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: 36.798833
Longitude: -119.790972

Site Elevation:
95.57 meters

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

Height Above Average Terrain:
28 meters, based on 8 radials.
(rounded from 28.29 m)

HAAT Along Each Radial:

Azimuth HAAT
018.47
4512.74
9016.54
13529.23
18039.14
22542.86
27037.49
31529.86