CREATE TABLE table_39698 ("Call sign" TEXT, "Launched" TEXT, "Transmitting from" TEXT, "Coverage" TEXT, "Languages" TEXT, "Frequency" TEXT)

Where is the station with a coverage of yucat n quintana roo campeche transmitting from?
SELECT "Transmitting from" FROM table_39698 WHERE "Coverage" = 'yucatán quintana roo campeche'
SELECT "Transmitting from" FROM "table_39698" WHERE "Coverage" = 'yucatán quintana roo campeche'