One example without obvious separated dealy.

One example where delay comes later:

Lots of examples of this kind:

And with various delay time:

One funny example:

One example with obvious separated delay, together with deviation plot:

Another example:

 

One example:

Back diamond shaped:

Back diamond shaped:

Back diamond shaped:

Reflection at the limit of 6ms:

Back diamond shaped:

Reflection at the limit of 6ms:

 

Back diamond shaped:

Reflection at 6ms?

Funny event:

Limit of 6ms?