started recording to SWIN V006A. Reference antenna CA03 (W113)
stowed at 03:30 UT to allow a 30sec fix to CA03. Back onsource at 03:37:00
Stop and restarted CAOBS at 14:00UT to limit size of rpfits file.
Switched to SWIN V019A at ~1400UT.
Continuous and strong interference around 1625 and 1685-1695 MHz.