Interestingly, when nonbarbiturate anesthetics are used, a concentration - dependent increase in sideband excitation is observed in a subset of geniculate ganglion neurons (Wu et al., 2015). (jneurosci.org)
Recent improvements in sidebanding equipment make this a viable option for ZT. (usask.ca)
In addition, there are two single sideband marine radios, two VHF marine radios, two automatic direction finders, two VHF aircraft radios, one generator, four emergency distress radios, two life rafts... (si.com)