automatic tracking
chase
data transmission
dogging
flector tuning
follow
follow-up
following
hue and cry
hunting
locking on
locking signals
mapping
phase adjustment
pinpointing
precision focusing
prosecution
pursuance
pursuing
pursuit
quest
radar navigation
radar-telephone relay
range finding
scan conversion
scanning
searching
seeking
shadowing
signal modulation
stalking
three-pointing
tracking down
trailing
triangulation
triggering signals
pursual
attacking
backing
cracking
hacking
jacking
lacking
packing
racking
sacking
smacking
snacking
stacking
tacking
unpacking
whacking
wracking