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: 29.571111
Longitude: -95.510556

Site Elevation:
24.19 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0595.31
45597.35
90596.52
135595.53
180596.79
225596.34
270594.38
315590.41