NPOESS aircraft sounder testbed-microwave (NAST-M): Instrument description and initial flight results

Blackwell, W.J., J. Barrett, F.W. Chen, V. Leslie, P.W. Rosenkranz, M.J. Schwartz, and D.H. Staelin. (2001), NPOESS aircraft sounder testbed-microwave (NAST-M): Instrument description and initial flight results, IEEE Trans. Geosci. Remote Sens., 39, 2444-2453.