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: 39.785111
Longitude: -75.038222

Site Elevation:
33.23 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
034.8
4525.6
9011.12
13514.1
18015.01
22516.99
27035.44
31544.14