Vertical Offsets (Hz):

• raw: +0 Hz
• sd_01: +0.5 Hz
• sd_015: +1 Hz
• sd_02: +1.5 Hz
• sd_025: +2 Hz
• sd_03: +2.5 Hz
• sd_035: +3 Hz
• sd_04: +3.5 Hz
• sd_045: +4 Hz
• sd_05: +4.5 Hz