Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
5 datasets found
  • Federal

    Submarine Cable Areas - U.S. and Affiliated Territories

    National Oceanic and Atmospheric Administration, Department of Commerce —

    These data show the general ___location of commercial and research submarine cables within U.S. waters. The majority of these cables are for telecommunications, and the...
  • Federal

    Ionograms - Analog

    National Oceanic and Atmospheric Administration, Department of Commerce —

    Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the...
  • Federal

    Scaled Data from Digital Ionograms

    National Oceanic and Atmospheric Administration, Department of Commerce —

    All the data contributed come from 1957 through 1990. They have been digitized, reformatted, converted to universal time (the software also can display the data in...
  • Federal

    Scaled Data from Analog Ionograms

    National Oceanic and Atmospheric Administration, Department of Commerce —

    Ionospheric Parameters such as FoF2, FoF1, FoE derrived from hand scaling of analog Ionograms
  • Federal

    Ionograms - Digital

    National Oceanic and Atmospheric Administration, Department of Commerce —

    Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the...
5 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.