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: 38.062694
Longitude: -120.246833

Site Elevation:
1494.28 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1543 meters

Height Above Average Terrain:
505 meters, based on 8 radials.
(rounded from 505.24 m)

HAAT Along Each Radial:

Azimuth HAAT
0490.15
45206.04
9088.15
135308.95
180675.45
225777.57
270775.09
315720.54