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: 44.565889
Longitude: -69.663083

Site Elevation:
79.71 meters

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

Height Above Average Terrain:
-77 meters, based on 8 radials.
(rounded from -76.94 m)

HAAT Along Each Radial:

Azimuth HAAT
0-65.22
45-64.59
90-56.56
135-68.23
180-66.11
225-95.25
270-103.18
315-96.36