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: 35.917333
Longitude: -80.293361

Site Elevation:
230.5 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0281.04
45255.57
90279.7
135288.68
180292.5
225288.33
270291.75
315288.26