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: 34.862806
Longitude: -111.797389

Site Elevation:
1342.19 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1358 meters

Height Above Average Terrain:
-167 meters, based on 8 radials.
(rounded from -166.67 m)

HAAT Along Each Radial:

Azimuth HAAT
0-349.63
45-430.12
90-418.33
135-130.37
18060.64
225142.32
27045.28
315-253.13