Radio frequency radiation is usually measured in kilohertz (kHz), megahertz (MHz), or gigahertz (GHz). These have modern equivalents such as kilohertz (kHz), megahertz (MHz), and gigahertz (GHz). The inverter is a high frequency unit capable of operating at frequencies around 1 kilohertz. FRS radios use narrow-band frequency modulation (NBFM) with a maximum deviation of 2.5 kilohertz. The practical maximum clock frequency in integrated circuits is typically in the hundreds of kilohertz. The manatee has a tested frequency range of 8 kilohertz to 32 kilohertz. So the first generation watches had low frequencies of a few kilohertz, limiting their accuracy. Generally, lo-fi recordings are likely to have little or no frequency information above 10 kilohertz. The channels are spaced at 12.5 kilohertz intervals. DZRJ-AM was originally found in the broadcast frequency of 780 kilohertz on the AM band. FM stations typically require up to 280 kilohertz of spectrum when carrying a stereo transmission. It settled on the permanent 580 kilohertz (then kilocycles) frequency in 1931. The series resonance is a few kilohertz lower than the parallel one. WDEO is a radio station broadcasting on 990 kilohertz in Ypsilanti, Michigan. For formula 32 in meters and kilohertz, respectively, the constant becomes formula 33.