What are the actual meaning of slot_interval, guard_interval, lead_limit in TDMA engine of Pre-Cog

Hi John,

I am using the TDMA engine of the Pre-Cog, and investigating the code.
some parameters in the initlization of the TDMA engine, I am wondering
if i
understand correctly:

    self.initial_slot = initial_slot
    self.slot_interval = slot_interval
    self.guard_interval = guard_interval
    self.num_slots = num_slots
    self.lead_limit = lead_limit

Could you shed a light on them, especially the lead_limit.

Thanks very much.

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