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: 40.698139
Longitude: -75.207944

Site Elevation:
107.06 meters

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

Height Above Average Terrain:
3 meters, based on 8 radials.
(rounded from 3.29 m)

HAAT Along Each Radial:

Azimuth HAAT
0-12.71
454.57
908.56
1357.23
1800.88
22522.31
27016.12
315-20.62