= Reset to Radiotap Namespace =

 Bit Number:: not applicable, bit 29 in ''every'' `it_present` word
 Structure:: no contents
 Required Alignment:: N/A

This field is reserved in '''all namespaces and every `it_present` word''', the standard radiotap namespace as well as all vendor namespaces. It is mutually exclusive with the ''Vendor Namespace'' field, setting both is undefined.

Upon interpreting this field, the interpreter shall reset its presence-bitmap index to 0 and its namespace to the default radiotap namespace, and change to the default radiotap namespace, before it interprets subsequent presence-bitmap words.