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: 56.453833
Longitude: -132.384194

Site Elevation:
0.7 meters

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

Height Above Average Terrain:
-102 meters, based on 8 radials.
(rounded from -102.18 m)

HAAT Along Each Radial:

Azimuth HAAT
042.73
45-177.5
90-164.09
135-284.05
18041.39
225-335.97
27039.47
31520.58