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Federal
Defense Meteorological Satellite Program (DMSP) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic,... -
Federal
DMSP OLS - Operational Linescan System recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Visible and infrared imagery from DMSP Operational Linescan System (OLS) instruments are used to monitor the global distribution of clouds and cloud top temperatures... -
Federal
Ionospheric Digital Database recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric... -
Federal
Measurement of Incoherent Scatter recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
For radio waves transmitted through the ionosphere with frequencies much larger (50 to 1300MHz) than the plasma frequency (up to 15MHz), very small-scale fluctuations... -
Federal
Worldwide Hourly Values of Ionospheric Characteristics: foF2, M(3000)F2, hF2,FoF1, M(3000)F1, hF, FoE, hE, foE2, hE2, foEs, fbEs, fmI, and FxI recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The ionosphere is that part of the Earth's atmosphere that results mainly from the ionizing effect of Solar electromagnetic radiation. For poleware latitudes, the... -
Federal
Ionospheric Oblique Incidence Soundings by Satellites recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The oblique incidence sweep-frequency ionospheric sounding technique uses the same principle of operation as the vertical incidence sounder. The primary difference is... -
Federal
Ionospheric Values (Daily Work Sheets), F-Plots, Tabulations, Booklets, Catalogs, and Log Books recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
These ionospheric data consist of scaling notes, equipment usage logs, and ionospheric values in the form of daily work sheets, F-Plots, tabulations, and booklets.... -
Federal
Defense Meteorological Satellite Program (DMSP) - Space Weather Sensors recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Defense Meteorological Satellite Program (DMSP) maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes... -
Federal
Measurements of the Absorptive Properties of the Ionosphere recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Absorption of radio waves occurs when electrons responding to the wave fields collide with and transfer energy to the neutral particles. A study of ionospheric... -
Federal
Calculations of the Total Number of Electrons Along a Ray Path Extending from the Transmitter to the Receiver recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Ionospheric Total Electron Content (TEC) is the total number of electrons in a column of unit cross section extending from the transmitter to the receiver. TEC is... -
Federal
Ionosonde Stations 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
Solar Geophysical Data (SGD) Reports (1955-2009) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the... -
Federal
Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the... -
Federal
Electron Density Profile Data Contains Virtual Height/Frequency Pairs from a Profile or Profiles (Composite Months) of Ionograms recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Electron Density Profile, N(h), data set contains both individual profiles and composite months. The data consist of virtual height/frequency pairs from a profile...
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