 Combining the 50,000 watt power of 670 with the 48,000 watt power of 93.1 FM. News Talk KBOI. The Farmers Business Network has been following a story regarding a new beef cattle feeding science, which they say has been 30 years in the making. David Sparks, Idaho Ag Today, and FBN says that it will enable producers to cut costs significantly while optimizing growth in beef cattle.