A method for fracturing or mask data preparation or proximity effect correction of a desired pattern to be formed on a reticle is disclosed in which a plurality of variable shaped beam shots are determined which can form the desired pattern. A sponsor company funds an account associated with the stored value card. First and second gates are spaced from one another in a second direction surrounding a portion of the channel to allow for application and removal of a gate voltage. The suction ports apply suction forces to the segment of the heart so as to maintain the segment in contact with the stabilization element. Thus an optimal rounded estimate is provided in most situations, and the method can be performed with the limited computational resources of a terminal. Terrestrial base station locationconnection information is used to estimate initial timing.