USEFUL ON-LINE PROGRAMS USEFUL ON-LINE PROGRAMS A list of useful programs for the Jicamarca Radio Observatory researchers.Sky-noiseOver_JRO_New Over JRO_OLD (bajar .sav IDL 6.3 version [archivo zip] 11 de Dic. 2006)Days within a year tableRadiation Pattern of Jicamarca AntennaMaximum Usable Frequencies (MUF) in PeruEquatorial Vertical Drift Model