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: 42.506472
Longitude: -75.492417

Site Elevation:
449.35 meters

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

Height Above Average Terrain:
46 meters, based on 8 radials.
(rounded from 46.33 m)

HAAT Along Each Radial:

Azimuth HAAT
057.67
456.34
9037.51
13561.93
1804.19
225123.66
27026.12
31553.23