REGINA - SaskTel will pour $239 million into its Saskatchewan network this year for construction of a 3G wireless network, faster high speed Internet service, and improvements to its Max digital TV service, the company said Wednesday.Highlights of the investment program include:- $88 million to continue construction of a new $172 million Universal Mobile Telecommunications System (UMTS)/High Speed Packet Access (HSPA) wireless network. The first phase of the new network build, which will provide coverage in the major Saskatchewan centers, is expected to be available in mid-2010 with full coverage in 2011;- $48 million to continue its rural infrastructure program to...