A panel having a core and at least two opposite edges with coupling parts at two opposite edges. When that runway is selected for approach and landing, the temporarily displaced threshold and new aiming point are automatically displayed. Based upon the security audit, sensors are inserted into the program instructions. A controller can improve the correction of the non-linearity components by executing one or more tuning algorithms and adjusting settings of the linearizer based on the results of the algorithm. The film of conductive ink coated over the portion of the patterned metal layer does not absorb as much energy from the sintering as the film of conductive ink coated over the layer of material having the low thermal conductivity. This intrinsic zoom of the telescope allows an observer to use a single eyepiece in place of many, eliminates the need for an additional finder scope, and also makes the telescope useful in spotting scope applications.