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: 35.938139
Longitude: -83.702944

Site Elevation:
381.99 meters

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

Height Above Average Terrain:
134 meters, based on 8 radials.
(rounded from 134.47 m)

HAAT Along Each Radial:

Azimuth HAAT
0148.83
45119.95
90153.08
135139.81
18085.37
225123.51
270162.75
315142.44