5515 kHz USB 5.515 MHz USB SS OM Spanish speaking stations UNID net, I think this is a new one for me. Lots of 5 MHz activity, OM talking about his plans for tomorrow, with the tell-tale "gambio" (cambio) "over" end-of-transmission proword. Lots of whistling on frequency at 2245 UTC. Receiver is the Westminster, MD KiwiSDR.