fox messagefpgafplafqfpfractionfractionalfractional horsepower motorfragmentfragmentationframeframe frequencyframe of referenceframe periodframerframeworkframingframing controlframing phasingfrancis turbinefranklin antennafraunhofer diffractionfraunhofer linesfraunhofer region far region far zonefreefree air ionization chamber open air ionization chamberfree bodyfree electronfree electron laserfree fieldfree field emissionfree gyrofree runningfree running clockfree running frequencyfree running frequency of vcofree spacefree space antenna patternfree space field intensityfree space lossfree space radiation patternfreezerfreezing pointfrequencyfrequency agilityfrequency allocationfrequency analysisfrequency and timing standardsfrequency angularfrequency bandfrequency bandwidth
