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: 42.441722
Longitude: -76.577500

Site Elevation:
428.2 meters

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

Height Above Average Terrain:
90 meters, based on 8 radials.
(rounded from 89.95 m)

HAAT Along Each Radial:

Azimuth HAAT
0193.5
45162.04
90168.72
135106.32
18048.08
225-53.5
27012.08
31582.38