[Xastir] Tinytrak TNC not opening interface

[Eric Chamberlain]

Here's the new packet data from putty with the updated TT3 configuration:

KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000/TT3 ROCKET|!&#b'O|!wLD!
KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000|!'#c'N|!wIJ!
KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000|!(#c'L|!wGH!
KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000|!)#c'K|!wDP!
KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000/TT3 ROCKET|!*#c'I|!wGS!
KC3OBB-1>APT314,WIDE1-1,WIDE2-1:!4015.89N/07946.07W>198/000|!+#c'H|!wKS!