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: 28.758444
Longitude: -81.295500

Site Elevation:
12.92 meters

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

Height Above Average Terrain:
30 meters, based on 8 radials.
(rounded from 29.55 m)

HAAT Along Each Radial:

Azimuth HAAT
032.57
4533.38
9034.4
13533.89
18024.38
22519.85
27030.02
31527.94