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: 43.098667
Longitude: -73.785667

Site Elevation:
139.92 meters

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

Height Above Average Terrain:
31 meters, based on 8 radials.
(rounded from 30.75 m)

HAAT Along Each Radial:

Azimuth HAAT
0-44.56
4588.82
9097.5
13582.65
18087.87
22556.36
270-40.37
315-82.23