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: 29.791583
Longitude: -90.802028

Site Elevation:
2.92 meters

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

Height Above Average Terrain:
-1 meters, based on 8 radials.
(rounded from -1.04 m)

HAAT Along Each Radial:

Azimuth HAAT
0-0.63
45-0.57
90-0.47
135-1.2
180-1.46
225-0.87
270-2
315-1.16