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: 30.687833
Longitude: -96.425667

Site Elevation:
113.68 meters

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

Height Above Average Terrain:
148 meters, based on 8 radials.
(rounded from 147.77 m)

HAAT Along Each Radial:

Azimuth HAAT
0129.89
45135.85
90141.06
135139.86
180163.83
225163.71
270159.25
315148.74