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: 39.673417
Longitude: -105.217917

Site Elevation:
2338.72 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2364 meters

Height Above Average Terrain:
334 meters, based on 8 radials.
(rounded from 334.11 m)

HAAT Along Each Radial:

Azimuth HAAT
0503.61
45586.12
90645.85
135605.75
180165.26
225-1.59
27016.9
315150.98