Instrument Information
IDENTIFIER urn:nasa:pds:context:instrument:tt.phx::1.2
NAME Phoenix Lander Telltale
TYPE Meteorology
DESCRIPTION The Phoenix Lander Telltale wind indicator was a mechanical anemometer designed to operate on the Martian surface as part of the meteorological package on the NASA Phoenix lander. It consisted of a lightweight cylinder suspended by Kevlar fibers and was deflected under the action of wind. Imaging of the Telltale deflection with the Surface Stereo Imager (SSI) allowed the wind speed and direction to be quantified. Wind measurements were made with a frequency determined by how frequently the SSI could take images (down to once every 50 seconds).
MODEL IDENTIFIER
NAIF INSTRUMENT IDENTIFIER
SERIAL NUMBER not applicable
REFERENCES Gunnlaugsson, H. P., C. Holstein-Rathlou, J. P. Merrison, S. Knak Jensen, C. F. Lange, S. E. Larsen, M. B. Madsen, P. Nornberg, H. Bechtold, E. Hald, J. J. Iversen, P. Lange, F. Lykkegaard, F. Rander, M. Lemmon, N. Renno, P. Taylor, P. Smith, The Telltale Wind Experiment on Mars Phoenix Lander. J. Geophys. Res., 113, 2008, E00A04, doi:10.1029/2007JE003008.

Holstein-Rathlou, C. von, H. P. Gunnlaugsson, J. P. Merrison, Telltale Calibration Report, Version 7 (Aarhus University, Denmark, 2008).

Taylor, P.A., Catling, D.C., Daly, M., Dickinson, C.S., Gunnlaugsson, H.P., Harri, A.-M., Lange, C.F., Temperature, pressure, and wind instrumentation in the Phoenix meteorological package. Journal of Geophysical Research, 113, E00A10, 2008, doi:10.1029/2007JE003015.