A circular cycloidal mass spectrometer has an outer electrode of generally circular configuration and an inner electrode having a generally circular outer periphery with an annulus for the flow of ions defined therebetween. g, pegylated interferon-alfa-2b for a first treatment time period sufficient to substantially lower detectable HCV-RNA, followed by administering a therapeutically effective amount of ribavirin and an therapeutically effective amount of pegylated interferon-alfa, e. Additionally, by intelligently selecting the position of the groups of subcarriers within the total available subcarriers, near-end crosstalk noise within the cable bundle may be minimized. The destination selecting unit selects a storage device in which to store the specified target data to reduce the number of expanders on a data transfer pathway for the specified target data. The helmet mounted pitch sensor determines a pitch for the helmet that is worn by the pilot. The metal foil preferably is rhenium, molybdenum or titanium.