Other environmental conditions that interfere with {HEAD ~ the transmitting and receiving signals} may further bear on {TAIL ~ the values} of V1 and V2 
Other environmental conditions that interfere with { HEAD ~ the transmitting and receiving signals } may further bear on { TAIL ~ the values } of V1 and V2
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH