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: 36.049722
Longitude: -86.833056

Site Elevation:
318.2 meters

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

Height Above Average Terrain:
-200 meters, based on 8 radials.
(rounded from -200.39 m)

HAAT Along Each Radial:

Azimuth HAAT
0-162.89
45-178.57
90-200.42
135-221.2
180-245.17
225-209.13
270-202.23
315-183.55