The SWL QSL Museum Thailand Asia Little Saigon Radio - 2005 - Clandestine - Station Overview QSL Contributed by Hashimoto Kenji (Japan) In 2005, Little Saigon Radio (based in Westminster, California) leased shortwave transmission time for its half-hour broadcasts to Vietnam. The 7380 kHz frequency was broadcast from the Nakhon Sawan transmitter site in Thailand, operated by a local relay, to reach a target audience in Southeast Asia.