[Guy Harris <guy@xxxxxxxxxxxx>]

Guy Harris wrote:
> Jose Graziani wrote:
> > Also why was the MAC time changed from nanoseconds to microseconds?
>
> Again, ask Solomon Peachy about that.

Perhaps the reason is that, according to "11.1.2 Maintaining 
synchronization" in ANSI/IEEE Std 802.11, 1999 Edition, "Each STA shall 
maintain a TSF timer with modulus 2^64 counting in increments of 
*microseconds*."  (Emphasis mine.)