Whatever it is Dick, the last page of the VPG says:
"Did you know that a radar information service (RIS) or an ATC flight following service is available in class E and G airspace. Services available are:
Navigation service
Position information
Traffic information
SAR alerting
You must be in direct contact with ATC, transponder equipped and squawking.
See AIP GEN 3.3-13 (2.16) for procedures."
Kaz