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: 40.757944
Longitude: -111.853306

Site Elevation:
1394.99 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1432 meters

Height Above Average Terrain:
-175 meters, based on 8 radials.
(rounded from -174.87 m)

HAAT Along Each Radial:

Azimuth HAAT
0-237.18
45-760.89
90-365.51
135-513.29
18094.66
225122.25
270142.25
315118.76