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: 44.262000
Longitude: -74.022361

Site Elevation:
579.31 meters

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

Height Above Average Terrain:
-56 meters, based on 8 radials.
(rounded from -56.45 m)

HAAT Along Each Radial:

Azimuth HAAT
0-47.12
45-67.39
9014.76
135-83.31
180-304.26
225-183.01
27084.83
315133.91