UPWT Test 1998 Continuous Data Sonic Boom Test.

Two images left out of the original order in 2011 L numbers 3800-3810 2011. UPWT Test 1998 Continuous Data Sonic Boom Test. Sonic Boom Hardware Mounted in the Langley Unitary Plan wind Tunnel(UPWT). Conical survey probes, wedge probe, and wind tunnel wall boundary layer rake. Rectangular box with wedge front end is a transducer box to that held pressure transducer for the conical probes.