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: 45.774944
Longitude: -89.248750

Site Elevation:
512.83 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0153.09
45152.46
90152.67
135148.46
180158.56
225161.76
270156.44
315152.58