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: 38.810250
Longitude: -104.882194

Site Elevation:
2185.06 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2179 meters

Height Above Average Terrain:
-163 meters, based on 8 radials.
(rounded from -163.45 m)

HAAT Along Each Radial:

Azimuth HAAT
0145.59
45279.74
90348.29
135353.55
180-176.55
225-837.03
270-1064.77
315-356.46