1. MJ Mahoney PI, Microwave Temperature Profiler (MTP) Jet Propulsion Laboratory California Institute of Technology Pasadena, California, USA URL: http://mtp.jpl.nasa.gov Email:Michael.J.Mahoney@jpl.nasa.gov

2. MTP The MTP is located on right engine intake of the M55 Geophysica It is the first US instrument to fly on the Geophysica Since the late 1980s, MTPs have flown >550 flights (>3300 hours) I acknowledge Dr. Mike Kurylo of the NASA UARP for support

3. Theory of MTP Observations