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: 39.196639
Longitude: -106.804472

Site Elevation:
2637.14 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2670 meters

Height Above Average Terrain:
-301 meters, based on 8 radials.
(rounded from -300.59 m)

HAAT Along Each Radial:

Azimuth HAAT
0-317.27
45-460.83
90-570.6
135-563.93
180-437.74
225-277.33
270-40.19
315263.15