Python Description
Operated 5 seasons at the Pole
90 GHz 4 channel bolometric
photometer (PyI,II,III)
Adiabatic demagnetization refrigerator 0.05K
0.75 degree beam
two angular scales l=170, 90
sampled 130 deg^2
40 GHz 4 channel HEMT radiometer
(PyIV,V)
mechanical refigerator operating at 10K
1 degree beam
6 angular scales from l=50 to l=225
sampled 600 deg^2