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: 38.889167
Longitude: -92.262000

Site Elevation:
255.35 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0214.74
45198.29
90202.07
135209.6
180197.21
225238.67
270241.05
315234.59