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: 40.454417
Longitude: -106.743361

Site Elevation:
3157.42 meters

Radiation Center Above Mean Sea Level (RCAMSL):
3168 meters

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

HAAT Along Each Radial:

Azimuth HAAT
0248.31
45235.58
90264.5
135264.07
180354.83
2251002.49
270931.12
315903