pinpointer
autodetector
hodoscope
microdetector
detectivity
radioprobe
multisensor
multiwires
subdetector
raft
radio fix
signalling
radiospectrometer
immunoarray
tripwire
crystal set
sweeper
sensorization
monoscope
trench binoculars
back action
filter bank
hypertelescope
mine detector
split cameras
Schmidt camera
radio interferometer
transceiver
radiolabel
collimator
sensorics
radiomicrometer
watchclock
watchman's time detector
multifunction array radar
telespectroradiometer
coherer
multiprobe
metal detector
radio observation
monopole
bird dog
microbolometer
walkie-talkie
orbitrap
multifilter
very-long-baseline interferometry
traveller
stenometer
drawtube