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: 40.322056
Longitude: -74.132083

Site Elevation:
21.14 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0118.94
45121.29
90134.86
135124.95
180111.17
225105.93
270105.63
315101.93