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: 32.711250
Longitude: -97.366417

Site Elevation:
197.82 meters

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

Height Above Average Terrain:
90 meters, based on 8 radials.
(rounded from 89.87 m)

HAAT Along Each Radial:

Azimuth HAAT
099.75
45119.03
90103.12
13588.25
18055.44
22574.4
27078.03
315100.9