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: 35.287361
Longitude: -80.695611

Site Elevation:
215.08 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0341.84
45355.86
90355.5
135338.29
180325.11
225323.26
270315.21
315320.47