Understanding APRS Packets

What does this mean?

N83MZ>T2TQ5U,WA1PLE-4*:`c.l+@&'/'"G:} KJ6TMS|!:&0'p|!w#f!|3

What is wrong with this packet?

WA2GUG-15>TQ0V4V,TCPIP,WA2GUG-15,K1EQX-7,N3LLO-3,WIDE2*,RFONLY,NOGATE:}KB1CRN-14>TQ0V4V,WIDE1-1,WIDE2-1,WB2ZII-13,TCPIP,WA2GUG-15*:`e4Tp,Pu/`"4/}Keep on truckin`_1<0x20>

You could try to digest the APRS Protocol Spec but that would probably give you an upset stomach. And a headache. A more gentle introduction can be found at: Understanding-APRS-Packets.pdf

Be sure to read the part about the mistakes that people make. Read this carefully if you don't want to end up as an example of what not to do.

Continued at: Understanding-APRS-Packets.pdf