The day of year (DOY) is the sequential day number starting with day 1 on January 1st
Sky brightness at 50 MHz, useful for antenna calibrations and measure radar's sensitivity.
Regional Magnetic Indices
Magnetic indices, are used to characterize the magnitude of geomagnetic storms. These indices are derived from a Peruvian magnetormeters stations.GO >
The value of MUF is diferent in various milestones of the country.
Using IRI 2020 version
The values are in MHz. The contour separation is 0.5 MHz.