in whois on some user:

1. Normal channel #channel
2. UOP channel -#channel
3. VOP channel +#channel
4. HOP channel %#channel
5. OP channel @#channel

6. WTF is this? <#channel
- on mouse over it wont change cursor arrow into HAND (link) and i cant join it

it might help if you specified which server/network you saw that on

QuakeNet is the network

Take a look at this

oh, heh the 1st place i should searched for =)

thank you