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: 38.940694
Longitude: -92.320361

Site Elevation:
236.1 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
047.67
4522.34
9015.91
13515.37
18049.26
22564.07
27060.36
31554.69