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: 34.036944
Longitude: -116.969472

Site Elevation:
1455.98 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1515 meters

Height Above Average Terrain:
224 meters, based on 8 radials.
(rounded from 224.11 m)

HAAT Along Each Radial:

Azimuth HAAT
0-157.64
45-836.06
90-340.69
135497.34
180642.47
225746.11
270752.64
315488.72