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: 36.146944
Longitude: -115.142222

Site Elevation:
614.15 meters

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

Height Above Average Terrain:
-5 meters, based on 8 radials.
(rounded from -5.07 m)

HAAT Along Each Radial:

Azimuth HAAT
011.97
4574.66
9056.51
13578.21
180-12.82
225-79.01
270-122.32
315-47.73