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: 37.632361
Longitude: -76.407167

Site Elevation:
14.18 meters

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

Height Above Average Terrain:
26 meters, based on 8 radials.
(rounded from 25.9 m)

HAAT Along Each Radial:

Azimuth HAAT
013.81
4530.06
9031.56
13531.8
18025.32
22520.09
27029.45
31525.12