Tools

DOY Calendar
ºThe day of year (DOY) is the sequential day number starting with day 1 on January 1st
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DOY: 30

Sky noise
Sky brightness at 50 MHz, useful for antenna calibrations and measure radar's sensitivity.
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Over JRO
Main antenna radiation pattern for several experiments.
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MUF Index
The value of MUF is diferent in various milestones of the country.
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Using IRI 2016 version