Cal diode calibration is done on the antenna test range using a hot load and sky. It is also done on the telescope using absorber (hot load) and sky. ... A description of measuring the cals on the telescope using sky and absorber . ... 430 dome cals . ... cband cals. cband high (6-8 Ghz) cals . ... New cooled rcvr installed. ganesh measured cals with noise figure meter. ... aug13 - turnstile damaged. old turnstile reinstalled (with mods) . 430 . ... aug13 new amps fried, installed sbh amps . ...