The radar in SLAP utilizes simple scatterometer design with single string used as transmitter and simultaneous V and H chains used as receivers.  It provides VV, HH, VH and HV polarization channels. It operated at radio frequency of 1.2625 GHz with flexibility for adjusting to RFI frequencies.  It transmits power of 50 W with duty cycle of 0.2%. Internal hot and ambient loads, external anechoic foam and cold sky were used for calibration purpose.