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: 30.544639
Longitude: -95.294944

Site Elevation:
70.76 meters

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

Height Above Average Terrain:
73 meters, based on 8 radials.
(rounded from 73 m)

HAAT Along Each Radial:

Azimuth HAAT
066.82
4579.04
9079.13
13595.64
18071.91
22557.69
27059.01
31574.77