UPDATE 1-U.S. FCC begins collecting petitions opposed to Dish discounts
April 29, 2015 at 13:28 PM EDT
WASHINGTON, April 29 (Reuters) - U.S. regulators on Wednesday began allowing critics to formally voice opposition to awarding $3.3 billion in small-business discounts to partners of Dish Network Corp that emerged as winning bidders in a record-setting auction of airwaves.