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: 46.788917
Longitude: -92.113806

Site Elevation:
375.1 meters

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

Height Above Average Terrain:
98.94 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0-18.16
4597.43
90219.68
135219.45
180206.28
22588.71
2702.34
315-24.25