... gain curves . ... Cal jumps . ... Caused resonance in polA and polB near 1400 Mhz. 16may05: Tsys for lbw started jumping. ( more info ). 06aug04: cals remeasured to correct for the jump that occurred on 23apr04. 23apr04: Tsys polB jumped by up to 20 %. ... 1400Mhz resonance and diode 1 dies. 23jun05: resonance in lbw polA at 1400 Mhz. 21jun05: installed new cal values after polB cal cable fixed. 03jun05: time for lbw dewar to cool down. 16may05: power jumps, 1.2 hz gain variation from crosshead. ...