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: 34.236944
Longitude: -119.203333

Site Elevation:
15.93 meters

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

Height Above Average Terrain:
8 meters, based on 8 radials.
(rounded from 7.8 m)

HAAT Along Each Radial:

Azimuth HAAT
0-214.14
4521.19
9030.33
13563.2
18070.87
22573.37
27074.06
315-56.46