TY JOUR TI On the origin of frequency modulation of serpentine emission KW serpentine emission KW ion-cyclotron waves KW Alfvén waves KW photospheric oscillations KW solar-terrestrial relations JO Solnechno-Zemnaya Fizika AU Guglielmi, A.V. AU Potapov, A.S. AU Dovbnya, B.V. PY 2015 IS 1 PB INFRA-M Academic Publishing LLC.