Haha, yes now I see what it did to you 
Glad to have helped to get the first TTN gateway in the whole of North America online 
The TTN maps http://ttn.lpwan.uk/ and http://www.ttnmap.org/ are looking much better now
I'm not sure about the CRC errors, but saw the same effect in this discussion before. Maybe it is the node you are using. If the rate is always 33/67 the node software is probably the cause I guess.