Appointment for every member.
I once called NSC about whether every family member is required to get an appointment. The answer is "Try get one for every member. If allowed, then it is requried." I know it is required for Dallas office.
The schedule window is two weeks. New appointments are available at about 1:00am. At 11:00am they are pretty much all gone. Also, only Monday, Tuesday, Thursday and Friday have appointments. Check frequently, and you may catch an appointment that somebody else just canceled.
From same IP, one appointment is allowed every half hour. If you have a home network, all computers are considered as on IP.
AD 5/21/04
PP 6/24
card ordered 7/9
card mailed 7/14
card received 7/16