  The All-Sky Monitor on the Rossi X-ray Timing Explorer has been monitoring
the sky in the 1.5 - 12 keV band since late February. The instrument consists
of three coded-aperture cameras which can be rotated to view different regions
by a motorized drive assembly. Intensities of ~100 known sources are obtained
via least-square fits of shadow patterns to the data and compiled to form x-ray
light curves. Six orbital periodicities and four long-term periodicities, all
previously known, have been detected in these light curves. Searches for
additional sources have also been conducted. X-ray light curves for the Crab
Nebula, Cyg X-1, 4U 1705-44, GRO J1655-40, and SMC X-1 are reported. They
illustrate the quality of the results and the range of observed phenomena.
