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: 36.198111
Longitude: -84.230750

Site Elevation:
1073.92 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1089 meters

Height Above Average Terrain:
591 meters, based on 8 radials.
(rounded from 590.79 m)

HAAT Along Each Radial:

Azimuth HAAT
0441.2
45720.63
90753.26
135779.4
180706.82
225390.77
270477.57
315456.64