A method of geolocating an emitter of a low probability of detection signal being transmitted from the emitter in an environment with a noise floor, where the LPD signal is below the noise floor, the method comprising: at a sensor node (108-1, 108-2, 108-3, 108-4) (308-1, 308-2, 308-3), receiving a version (104-1', 104-2', 104-3', 104-4') of the LPD signal from the emitter; for the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, performing cyclostationary feature detection of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, including detecting at least one of a chip rate of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, a hop rate of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, or a carrier frequency of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; creating a low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3), wherein the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) includes a frequency feature of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; providing the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) to a processor, where the processor is configured to use a plurality of low probability of detection descriptor words (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) from different sensor nodes (108-1, 108-2, 108-3, 108-4) (308-1, 308-2, 308-3) for different versions (104-1', 104-2', 104-3', 104-4') of the LPD signal to geolocate the emitter as a result of determining that there is insufficient bandwidth to geolocate the emitter using a cross correlation of versions (104-1', 104-2', 104-3', 104-4') of the signal from detectors; and performing energy detection of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, wherein the energy detection comprises detecting an angle of arrival of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; and wherein the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) further includes an energy feature of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal. at a sensor node (108-1, 108-2, 108-3, 108-4) (308-1, 308-2, 308-3), receiving a version (104-1', 104-2', 104-3', 104-4') of the LPD signal from the emitter; for the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, performing cyclostationary feature detection of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, including detecting at least one of a chip rate of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, a hop rate of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, or a carrier frequency of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; creating a low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3), wherein the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) includes a frequency feature of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; providing the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) to a processor, where the processor is configured to use a plurality of low probability of detection descriptor words (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) from different sensor nodes (108-1, 108-2, 108-3, 108-4) (308-1, 308-2, 308-3) for different versions (104-1', 104-2', 104-3', 104-4') of the LPD signal to geolocate the emitter as a result of determining that there is insufficient bandwidth to geolocate the emitter using a cross correlation of versions (104-1', 104-2', 104-3', 104-4') of the signal from detectors; and performing energy detection of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal, wherein the energy detection comprises detecting an angle of arrival of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal; and wherein the low probability of detection descriptor word (110-1, 110-2, 110-3, 110-4) (310-1, 310-2, 310-3) further includes an energy feature of the version (104-1', 104-2', 104-3', 104-4') of the LPD signal.