A satellite navigation receiver having a flexible acquisition and tracking engine architecture. The gas is processed by controlling the quality of the stranded natural gas to maintain a substantially homogenous mixture The resultant gas stream is further cleaned and compressed to a high pressure of about 3,000 psi. The four red and green pixels surrounding the two blue pixels at the two neighboring pixel rows face each other around the blue pixels. The condition includes: for any function \u0192i from among the two functions, \u0192i\u2212\u0192i\u2266\u03b4i.