[CQ-Contest] CQWW - are signal reports optional?

[n2mg@eham.net (Mike Gilmer, N2MG)]

EI5DI wrote:

> >The "599" is a sort of synchronizing sound
>
> Yes, but I believe that's only because we all expect it.  If you
> don't expect it, you won't miss it.  When I'm running and you call
> me, I send your callsign - you hear it and you know the important
> bit comes next.

But when the callers adopt your method, *you* lose the sync bit.  They send
nothing but 599XX.
Since I do a lot of running I like to hear the "599".

Mike N2MG