A very high quality CW signal is "" pronounced "five nine nine" , and such a phone signal is "59" pronounced "five nine". Are you being interfered with? A three hourly index of geomagnetic activity relative to an assumed quiet day curve for the recording site. The phonetic alphabet or radio phonetic alphabet is used to spell out words in a way that the letters can be understood. WWV A radio station located in Fort Collins, Colorado, that continuously broadcasts standard time of day and other radio and navigation information. Please send a series of "V" on this frequency or on Each station is assigned a call sign which is used to identify the station during transmissions.