Downhole electrical power generation apparatus and methods of using stored pressurized gas andor ambient downhole pressure. The electronics module has a weatherproof housing that encloses electronics for processing signals received by and transmitted from a first of the antenna arrays. The predefined condition includes the origination of the communications connection from one of a plurality of predefined sources. The server saves the pipeline system data and the air compressor data into a database system. The ultrasound transducer may be electrically connected using electrodes directly connected to the acoustic element. The Players and the Banker each then selects and keeps his best 5-card poker hand and discards two other cards from his own seven cards.