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: 45.774389
Longitude: -89.248472

Site Elevation:
512.41 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0124.04
45123.38
90123.81
135119.39
180129.18
225132.13
270127.33
315123.42