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: 36.005361
Longitude: -83.939639

Site Elevation:
399.68 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0431.04
45471.97
90506.05
135510.29
180516.58
225495.86
270462.18
315461.04