... To goback to old model, subtract these values. 16jun06: lbw polB Cal. found loose sma feed thru inside dewar. ... Need to remeasure the cals . 08aug05: new cband cals installed . backdated to 25may05 when new amps were installed . recomputed cband data from may05 with new cal values. 22jul05: lbw diode 1 died.. used diode 2 for cals until new diodes arrive. 21jun05: installed new lbw cals (had a bug in diode1- polb... fixed 09aug05). 01jun05 : ... New cals installed . ...