Radio Tampa was the branding name used by Nihon Shortwave Broadcasting of Tokyo, Japan. I heard Radio Tampa in Germany, the USA, and in Korea. They sent the QSL cards seen below for my reception reports.
Radio Nikkei is the successor to Radio Tampa.
NSB Chiba 3925 NSB Chiba 3925 NSB Sapporo 3925 NSB Sapporo 3925 NSB Sapporo 3925 NSB Chiba 3945 NSB Chiba 3945 NSB Chiba 6115 NSB Chiba 6115 NSB Chiba 9595 NSB Chiba 9595 NSB Chiba 9760