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: 42.860333
Longitude: -77.016083

Site Elevation:
213.92 meters

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

Height Above Average Terrain:
-203 meters, based on 8 radials.
(rounded from -203.08 m)

HAAT Along Each Radial:

Azimuth HAAT
0-162.46
45-148.68
90-156.25
135-156.04
180-239.35
225-281.05
270-265.98
315-214.86