====== A1521 ======

**Hobart**

Module: HOB+130, Start disk pos: 7048.2 GB

     * Experiment started ok. (JS)
     * 00:38 UT - Disk pos drifting. Now ~50GB short (vk)
     * 01:47 UT - Mbus error. Fixed with antenna=open, antenna=status. Affected scans: 164-0147 to 164-0152 (vk)
     * 02:38 UT - Now 61 GB short (vk)

**Katherine**

Module: HOB+0117, Start disk pos: 0 GB

     * Experiment started ok. (JS)
     * 2153UT Antenna stuck alarm. Has to turn drives back on! (JS)
     * 2200UT Tracking new source missed/corrupted scans 163-2152 to 163-2200a (JS)
     * 2202UT Noticed that generator status is "Not in Auto, off" (JS)
     * 2211UT Antenna stuck alarm. Has to turn drives back on! (JS)
     * 2200UT Tracking new source missed/corrupted scans 163-2210, 163-2213 (JS)
     * 0710UT Alarm: DBBC pps_delay changed; only the last digit. I'll leave it for now. (Lucia)
     * DBBC pps signal is slowly drifting over the whole duration of the experiment. (Lucia)
     * 1734UT Alarm: DBBC pps_delay changed; only the last digit. I'll leave it for now. (Vasaant)


**Yarragadee**

Module: HOB+0123, Start disk pos: 0 GB

     * Experiment started ok. (JS)

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