The timing server 4, wherein {HEAD ~ said third module} is further configured to synchronize to said synchronization signal from said timing master upon {TAIL ~ first reception} of said synchronization signal from said timing master 
The timing server 4 , wherein { HEAD ~ said third module } is further configured to synchronize to said synchronization signal from said timing master upon { TAIL ~ first reception } of said synchronization signal from said timing master
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH