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: 35.207278
Longitude: -85.281056

Site Elevation:
603.18 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0143.53
45232.8
90443.21
135445.67
180430.07
225173.91
27094.27
315181.46