PlanetsCentral

 +0   8 BYTEs   Signature "CCteam0", 26
 +8     WORD    Flags
                 Bit 0          Automatic synchronisation with alliances
                 Bit 1          Automatic synchronisation of transfer
                                settings with teams
                 Bits 2..15     Reserved, set to 0
+10  12 BYTEs   Player teams. Each byte specifies for each player which
                team he is in. Team numbers range from 1 to 11. Player
                slot 12 has the constant team number 12, for handling the
                Alien Marauders.
+22  12 BYTEs   Reserved for team colors.
+34   n BYTEs   12 Pascal strings with team names.
--- Data Transfer Settings [PCC v1.0.2.1+] ---
 +?  11 BYTEs   Automatic sending of alliance messages, indexed by receiver
                of information:
                 Bit 0          Automatically send Informer Alliance
                                Messages (planet list)
                 Bit 3          Automatically send RST password
 +?  11 BYTEs   Acceptance of alliance messages, indexed by sender of
                message:
                 Bit 0          Accept Informer planet lists
                 Bit 1          Accept VPA planet transmissions
                 Bit 2          Accept VPA mine field transmissions
                 Bit 3          Automatically load allied RST
                 Bits 3..7      reserved, 0
 +?     WORD    Passcode for Informer messages (0..9999)

The data transfer settings may be missing (PCC 1.0.2), in this case they are considered to be all-zero (no passcode, no transfer enabled).