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: 35.360250
Longitude: -120.655722

Site Elevation:
745.91 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0395.38
45389.97
90340.85
135144.38
180652.69
225602.64
270599.16
315336.03