SDG&E's MDMA meeting will be this Friday, December 12, at 1 p.m. The location is the Mission Bay Hilton. This will be preceded in the morning by a meeting for ESPs on billing and EDI. That meeting will be at the same location and run from 8:30 am to noon. Please call Steve Grady at 619-654-8242 to RSVP. Chris S. King Vice President CellNet Data Systems, Inc. .