Thirty-three days later we delivered to North American the first of what we came to call the IR-133 panoramic receiver.
Now we had a system that consisted of the Vector-IV direction finder to show from what direction threat signals were coming; the IR-133 panoramic receiver, so that the EWO could look at the frequency vs.
Also included is a 20 to 500 MHz panoramic receiver
for filling basic Comint functions.
Once this has been decided, the panoramic receiver
and the DF receiver are tuned to make measurements on the signal in protected mode.
By systematically utilizing technical advances, panoramic receivers
have become precision test set-ups.