I've updated the schedule file to include a series of DetChar hardware injections for early Wednesday morning (2 AM PST). To avoid having to update the schedule file several more times, I scheduled injections for this same time on 4 consecutive Wednesdays. 

Relevant lines in the schedule file:

1263117618 H1 INJECT_DETCHAR_ACTIVE 1 1.0 detchar/detchar-hwinj-schedule_LIGO-T1900555-PROPOSED_{ifo}_INJECTIONS-1251586818-390.txt
1263722418 H1 INJECT_DETCHAR_ACTIVE 1 1.0 detchar/detchar-hwinj-schedule_LIGO-T1900555-PROPOSED_{ifo}_INJECTIONS-1251586818-390.txt
1264327218 H1 INJECT_DETCHAR_ACTIVE 1 1.0 detchar/detchar-hwinj-schedule_LIGO-T1900555-PROPOSED_{ifo}_INJECTIONS-1251586818-390.txt
1264932018 H1 INJECT_DETCHAR_ACTIVE 1 1.0 detchar/detchar-hwinj-schedule_LIGO-T1900555-PROPOSED_{ifo}_INJECTIONS-1251586818-390.txt