Function FieldDescription.this
Construct a FieldDescription from the raw data packet
Prototype
ref this(
								
  ubyte[] packet
								
);
							
						Parameters
packet = The packet contents excluding the 4 byte packet header
Construct a FieldDescription from the raw data packet
ref this(
								
  ubyte[] packet
								
);
							
						packet = The packet contents excluding the 4 byte packet header