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: 42.247056
Longitude: -71.048389

Site Elevation:
54.06 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0206.14
45208.98
90199.33
135169.92
180153.53
225169.29
270168.97
315164.45