Search Results - "Johnson, William T. K"

Cassini RADAR observations of Enceladus, Tethys, Dione, Rhea, Iapetus, Hyperion, and Phoebe by Ostro, Steven J., West, Richard D., Janssen, Michael A., Lorenz, Ralph D., Zebker, Howard A., Black, Gregory J., Lunine, Jonathan I., Wye, Lauren C., Lopes, Rosaly M., Wall, Stephen D., Elachi, Charles, Roth, Laci, Hensley, Scott, Kelleher, Kathleen, Hamilton, Gary A., Gim, Yonggyu, Anderson, Yanhua Z., Boehmer, Rudy A., Johnson, William T.K.

“…Cassini 2.2-cm radar and radiometric observations of seven of Saturn's icy satellites yield properties that apparently are dominated by subsurface volume…”
Get full text

Determining Titan surface topography from Cassini SAR data by Stiles, Bryan W., Hensley, Scott, Gim, Yonggyu, Bates, David M., Kirk, Randolph L., Hayes, Alex, Radebaugh, Jani, Lorenz, Ralph D., Mitchell, Karl L., Callahan, Philip S., Zebker, Howard, Johnson, William T.K., Wall, Stephen D., Lunine, Jonathan I., Wood, Charles A., Janssen, Michael, Pelletier, Frederic, West, Richard D., Veeramacheneni, Chandini

“…A technique, referred to as SARTopo, has been developed for obtaining surface height estimates with 10 km horizontal resolution and 75 m vertical resolution of…”
Get full text

Magellan: Radar Performance and Data Products by Pettengill, Gordon H., Ford, Peter G., William T. K. Johnson, Raney, R. Keith, Soderblom, Laurence A.

“…The Magellan Venus orbiter carries only one scientific instrument: a 12.6-centimeter-wavelength radar systern shared among three data-taking modes. The…”
Get full text

Cassini RADAR Sequence Planning and Instrument Performance by West, R.D., Anderson, Y., Boehmer, R., Borgarelli, L., Callahan, P., Elachi, C., Yonggyu Gim, Hamilton, G., Hensley, S., Janssen, M.A., Johnson, W., Kelleher, K., Lorenz, R., Ostro, S., Roth, L., Shaffer, S., Stiles, B., Wall, S., Wye, L.C., Zebker, H.A.

“…The Cassini RADAR is a multimode instrument used to map the surface of Titan, the atmosphere of Saturn, the Saturn ring system, and to explore the properties…”
Get full text

Radar Soundings of the Subsurface of Mars by Picardi, Giovanni, Plaut, Jeffrey J, Biccari, Daniela, Bombaci, Ornella, Calabrese, Diego, Cartacci, Marco, Cicchetti, Andrea, Clifford, Stephen M, Edenhofer, Peter, Farrell, William M, Federico, Costanzo, Frigeri, Alessandro, Gurnett, Donald A, Hagfors, Tor, Heggy, Essam, Herique, Alain, Huff, Richard L, Ivanov, Anton B, Johnson, William T. K, Jordan, Rolando L, Kirchner, Donald L, Kofman, Wlodek, Leuschen, Carlton J, Nielsen, Erling, Orosei, Roberto, Pettinelli, Elena, Phillips, Roger J, Plettemeier, Dirk, Safaeinili, Ali, Seu, Roberto, Stofan, Ellen R, Vannaroni, Giuliano, Watters, Thomas R, Zampolini, Enrico

“…The martian subsurface has been probed to kilometer depths by the Mars Advanced Radar for Subsurface and Ionospheric Sounding instrument aboard the Mars…”
Get full text

Block adaptive quantization of Magellan SAR data by Kwok, R., Johnson, W.T.K.

“…A report is presented on a data compression scheme that will be used to reduce the SAR (synthetic-aperture radar) data rate on the US NASA Magellan (MGN)…”
Get full text

Ground processing of Cassini RADAR imagery of Titan by Stiles, B.W., Gim, Y., Hamilton, G., Hensley, S., Johnson, W.T.K., Shimada, J., West, R.D., Callahan, P.

“…The Cassini RADAR instrument onboard the Cassini Orbiter is currently collecting SAR imagery of the surface of Saturn's largest Moon, Titan. This paper…”
Get full text

Magellan imaging radar mission to Venus by Johnson, W.T.K.

“…The Magellan imaging radar mapping mission has collected and processed data from the spacecraft in an elliptical orbit around Venus. A brief description is…”
Get full text

PRECIPITATION RATE, ELECTRIC FIELD, AND CONVECTED CURRENT DENSITY ASSOCIATED WITH THUNDERSTORMS by JOHNSON, WILLIAM T. K

Get full text

Extended Application of a Cobalt Glass Dosimeter by Johnson, William T. K.

“…Cobalt glass dosimeters, normally used to measure gamma ray and electron fields, have been used to measure gamma ray and coexistent thermal neutron fields in…”
Get full text

EXCITATION OF NUCLEAR ENERGY LEVELS BY ELECTRONS AND PHOTONS FOR 167 L.E. A L.E. 197 BETWEEN 2.3 AND 3.5 MEV by JOHNSON, WILLIAM T. K

Get full text