By stretching the neck the stiffness that can cause aches and pains and lead to further inflammation can be relieved, often resulting in the improvement of the symptoms associated with a pinched nerve.
CDCSS or Digital Code Squelch (DCS) is a further development of the continuous tone-coded squelch system or CTCSS that uses a slow-speed, binary data stream passed as sub-audible data along with the transmission. Motorola calls this Digital Private Line or DPL.
A United States defense standard, often called a military standard,  MIL-STD ,  MIL-SPEC , or (informally)  MilSpecs , is used to help achieve standardization objectives by the U.S. Department of Defense.