diff --git a/packet.go b/packet.go
index 5b968b4..03c9674 100644
--- a/packet.go
+++ b/packet.go
@@ -43,6 +43,26 @@ const (
 	AdminPacketServerRConEnd        = 125
 	AdminPacketServerPong           = 126
 	InvalidAdminPacket              = 255
+
+	AdminUpdateDate           = 0
+	AdminUpdateClientInfo     = 1
+	AdminUpdateCompanyInfo    = 2
+	AdminUpdateCompanyEconomy = 3
+	AdminUpdateCompanyStats   = 4
+	AdminUpdateChat           = 5
+	AdminUpdateConsole        = 6
+	AdminUpdateCmdNames       = 7
+	AdminUpdateCmdLogging     = 8
+	AdminUpdateGamescript     = 9
+	AdminUpdateEnd            = 10
+
+	AdminFrequencyPoll      = 0x01
+	AdminFrequencyDaily     = 0x02
+	AdminFrequencyWeekly    = 0x04
+	AdminFrequencyMonthly   = 0x08
+	AdminFrequencyQuarterly = 0x10
+	AdminFrequencyAnnually  = 0x20
+	AdminFrequencyAutomatic = 0x40
 )
 
 type Packet struct {
@@ -78,6 +98,12 @@ type PacketAdminServerWelcome struct {
 	MapY           uint16
 }
 
+type PacketAdminUpdateFrequency struct {
+	Packet
+	UpdateType      uint16
+	UpdateFrequency uint16
+}
+
 func (p *PacketAdminJoin) Bytes() []byte {
 	buf := new(bytes.Buffer)
 	p.PLength = uint16(len(p.Password) + len(p.AppName) + len(p.AppVersion) + 6)
@@ -94,6 +120,17 @@ func (p *PacketAdminJoin) Bytes() []byte {
 	return buf.Bytes()
 }
 
+func (p *PacketAdminUpdateFrequency) Bytes() []byte {
+	buf := new(bytes.Buffer)
+	p.PLength = 7
+	binary.Write(buf, binary.LittleEndian, p.PLength)
+	binary.Write(buf, binary.LittleEndian, p.PType)
+	binary.Write(buf, binary.LittleEndian, p.UpdateType)
+	binary.Write(buf, binary.LittleEndian, p.UpdateFrequency)
+
+	return buf.Bytes()
+}
+
 func (p *PacketAdminServerWelcome) Read(b []byte) {
 	r := bufio.NewReader(bytes.NewReader(b))
 	r.Discard(3)
@@ -134,24 +171,6 @@ func (p *PacketAdminServerProtocol) Read(b []byte) {
 	p.FrequenciesAllowed = binary.LittleEndian.Uint16(bs[2:])
 }
 
-func handlePacket(p Packet, b []byte) {
-	switch p.PType {
-	case AdminPacketServerProtocol:
-		logInfoDebug("AdminPacketServerProtocol Raw : %v", b)
-		sp := PacketAdminServerProtocol{
-			Packet: p,
-		}
-		sp.Read(b)
-		logInfoDebug("AdminPacketServerProtocol :\n-  ProtocolVersion: %v\n-  FurtherData: %v\n-  UpdatePacketType: %v\n-  FrequenciesAllowed: %b", sp.ProtocolVersion, sp.FurtherData, sp.UpdatePacketType, sp.FrequenciesAllowed)
-	case AdminPacketServerWelcome:
-		logInfoDebug("AdminPacketServerWelcome Raw : %v", b)
-		sp := PacketAdminServerWelcome{
-			Packet: p,
-		}
-		sp.Read(b)
-		logInfoDebug("AdminPacketServerWelcome :\n-  ServerName: %v\n-  OpenTTDVersion: %v\n-  Dedicated: %v\n-  MapSeed: %x\n-  MapLandscape: %v\n-  MapStartDate: %v\n-  Size: %v x %v", sp.ServerName, sp.OpenTTDVersion, sp.Dedicated, sp.MapSeed, sp.MapLandscape, sp.MapStartDate, sp.MapX, sp.MapY)
-	default:
-
-	}
+func readPacket(p Packet, b []byte) {
 
 }