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: 39.674611
Longitude: -78.778944

Site Elevation:
486.48 meters

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

Height Above Average Terrain:
98 meters, based on 8 radials.
(rounded from 98.04 m)

HAAT Along Each Radial:

Azimuth HAAT
099.6
45175.9
90178.83
135202.63
180262.39
2254.82
270-87.55
315-52.34