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A spectrum analyzer is designed and constructed on the base of a direct conversion receiver. A millimeter-wave heterodyne receiver is applied to expand input frequency range of the spectrum analyzer. At present the spectrum analyzer operates at frequencies between 149 and 212 MHz, i.e. 64 channels with 1 MHz resolution.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.