v  = gives voice to the user (may talk if chan is +m or +M) (%)
h = gives halfop status to the user (limited op access)
o = gives operator status to the user
a = gives channel admin to the user (~)
q = gives owner status to the user (~)

b = bans the nick!ident@host from the channel (%)
c = block messages containing mirc color codes (@)
e = overrides a ban for matching users (%)
i = overrides +i for matching users (%)
f = flood protection (for more info see /helpop chmodef) (@)
i = a user must be invited to join the channel (%)
k = users must specify to join (%)
l = channel may hold at most of users (@)
m = moderated channel (only +vhoaq users may speak) (%)
n = users outside the channel can not send privmsgs to the channel (%)
p = private channel (@)
r = the channel is registered (settable by services only)
s = secret channel (@)
t = only +hoaq may change the topic (%)
z = only clients on a secure connection (ssl) can join (@)
A = server/net admin only channel (settable by admins)
C = no ctcps allowed in the channel (@)
G = filters out all bad words in messages with (@)
M = must be using a registered nick (+r), or have voice access to talk (@)
K = /knock is not allowed (@)
L = channel link (~)
N = no nickname changes are permitted in the channel (@)
O = irc operator only channel (settable by ircops)
Q = no kicks allowed (@)
R = only registered (+r) users may join the channel (@)
S = strips mirc color codes (@)
T = no notices allowed in the channel (@)
V = /invite is not allowed (@)
U = auditorium mode (/names and /who #channel only show channel ops) (~)
(~) = Requires owner (+q), (@) = Requires ops or above (+oaq), (%) = Requires halfops or above (+oaqh)
George Bush Rulez