if(input.Member_Radios != null && input.Reprogram_this_radio == true)
{
    input.Radio_NOT_listed_above = false;
    //show the remainder of the fields here
    show Note;
    enable Note;
}
if(input.Radio_Make_and_Model != null && input.Enter_Radio_Serial != null && input.Reprogram_this_radio == true)
{
    show Note;
    enable Note;
}