Skip to search formSkip to main contentSkip to account menu

Ionogram

An ionogram is a display of the data produced by an ionosonde. It is a graph of the virtual height of the ionosphere plotted against frequency… 
Wikipedia (opens in a new tab)

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
High Frequency (HF) geolocation techniques are commonly used to track the source of uncooperative HF emitters. A traveling… 
2015
2015
過去の研究より、巨大地震発生に伴い電離圏に擾乱が発生することが知られている。その発生メカニズムの 1… 
2011
2011
Digisonde DPS 4, which replaced the older ionosonde IPS 42 KEL Aerospace, started regular ionospheric soundings in the… 
2009
2009
Two types of solar events are mainly responsible for geomagnetic and ionospheric (geospheric) disturbances, (1) Coronal Mass… 
2008
2008
In 2004, a NOAA (National Oceanic and Atmospheric Administration) MF/HF radar or dynasonde was set up by the National Central… 
1991
1991
  • L. Li
  • 1991
  • Corpus ID: 123364519
Assuming ionosphere is quasiparabolic layered ionosphere, a reverse method, named equation transformation, for direct calculating… 
1987
1987
Using δ function approximation to the distribution of electron density, we propose an analysis program to extract the information… 
1982
1982
Abstract : The automatic scaling and determination of true height profiles from digital vertical ionograms are key elements in… 
1970
1970
Additional evidence is presented from Alouette II ionogram data for the observed frequency difference between the plasma… 
1969
1969
Data telemetered from the Alouette I and II swept-frequency topside sounder ionospheric satellites are collected by a worldwide…