QSL Radio Station WWV

15.000 kHz: Radio Station WWV - Fort Collins - CO - USA - QSL in 13 days - V/S: ??, e-mail: nist.radio@boulder.nist.gov - Reception in São João Evangelista - Minas Gerais - Brasil. Rx: Grundig YB 400 (PY4195SWL) + Loop DZ Ultimate.