pn_switches . ... Switch to PN telemetry format around SAA passages for monitoring of . ... o Each switch to/from PN must not be closer than 2 minutes to the . start of a slew or the end of FGS visibility. o The switch to HN on the way out of an SAA may not be closer than . ... science or 5 minutes before the SAA entry, which ever is later. o If the time in PN format will less than 3 minutes, don't do the . ... Modules . ... Create a calendar -add file for SUs to switch to PN around SAA passages. ...