Dualâ•'beam ELF wave generation as a function of power, frequency

Dec 8, 2012 - transmit simultaneously: one amplitude modulated (AM) HF beam modulates the conductivity of the lower ionosphere at ELF frequencies whil...

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(power, gain, HF frequency, and modulation fre- quency) and the applicable model of the ambient ionosphere the conductivity modulation is first computed as a function of altitude. This allows for the calculation of the modulated current altitude prof

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