anchor.diff:  
   === Second Data - Data Type ID 0x2
   
  -.Example
  +.Example Packet
   ------
   e0 1d 52 4d 0f 02 05 85 00 00 e3 0b 00
   ------
   
  -.Layout
  +.Packet Layout
   ------
   XX XX XX XX ?? ?? ?? ?? ?? ?? ?? ?? ?? ??
   ------
  
positive.code: 
  === Minute Interval Data - Data Type ID 0x0
  
  .Example
  ------
  4d 52 22 c0 
  81 1c 00
  
negative.code: 85 1c 13
  ------
  
  .Packet Layout
  ------
  XX XX XX XX 
  MM NN OO
  