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: 37.812472
Longitude: -107.667278

Site Elevation:
2842.07 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2816 meters

Height Above Average Terrain:
-652.62 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0-482.62
45-750.39
90-792.55
135-954.73
180-229.76
225-676.08
270-576.86
315-758