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10 datasets found
  • Federal

    Fertilizer Use and Price    recent views

    Department of Agriculture —

    This product summarizes fertilizer consumption in the United States by plant nutrient and major fertilizer products—as well as consumption of mixed fertilizers,...
  • Federal

    Scaled Data from Analog Ionograms    recent views

    National Oceanic and Atmospheric Administration, Department of Commerce —

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

    Geomagnetic aa Indices    recent views

    National Oceanic and Atmospheric Administration, Department of Commerce —

    The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International...
  • Federal

    Values for the 15-minute Index of Geomagnetic Activity at High Latitude Stations (Geomagnetic Latitude 58 Degrees)    recent views

    National Oceanic and Atmospheric Administration, Department of Commerce —

    The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data...
  • Federal

    Ionograms - Digital    recent views

    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    recent views

    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

    USGS Map Indices Overlay Map Service from The National Map    recent views

    U.S. Geological Survey, Department of the Interior —

    The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons...
  • Federal

    Ionograms - Analog    recent views

    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

    Auroral Electrojet Index Designed to Provide a Global Measure, Hourly Intervals, of Auroral Zone Magnetic Activity    recent views

    National Oceanic and Atmospheric Administration, Department of Commerce —

    The Auroral Electrojet (AE) index is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents...
  • Federal

    Auroral Electrojet Index Designed to Provide a Global Measure, l-minute Intervals, of Auroral Zone Magnetic Activity    recent views

    National Oceanic and Atmospheric Administration, Department of Commerce —

    The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents...
10 datasets found

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