robert casey wrote:

I dunno how many times I worked "6L6GB". "QSL
via the buro". Yeah, right.

ROTFLMAO!

You probably did work someone who had a 6L6GB vacuum tube
final in his transmitter....... :-)

Others:
6u6gt
6w6gt
6w4gta
6y6ga
6k5gt
6k8gt
6j5gt
6a8gt
5z4gt
5x4ga
5r4gyb
5u4gb
3q5gt
2w3gt

Let's not leave out:

RG8U
F0OL
AP1RL
UR1TOO
VO1LA

Dave K8MN