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: 33.173722
Longitude: -94.944083

Site Elevation:
110.88 meters

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

Height Above Average Terrain:
-115 meters, based on 8 radials.
(rounded from -114.93 m)

HAAT Along Each Radial:

Azimuth HAAT
0-117.79
45-107.2
90-122.01
135-115.16
180-93.95
225-108.33
270-127.19
315-127.77