This information is displayed here in the event that any victim or supporter is able to find funding, facilities, and willingness to try to construct and demonstrate an Allan Frey type voice-to-skull transmitter. This table seems to lack the duty cycle (ratio of pulse-ON to pulse-OFF time) however with a test setup, that can easily be found by trial and error.
Signals like those shown in the table below were for experiments using a steady train of uniform pulses. To convey voice, some sort of variation in pulse width or rate needs to be tried, which again, like duty cycle, can rapidly be found by experimentation if facilities are available.
Table 2. Microwave Hearing Threshold Values for Human Beings Pulse Threshold Subject Number Width Parameter #1 #2 #3 #4 #5 ----- --------- ------ ------ ------ ------ ------- Peak Pwr 300 300 300 600 1000 mW/sq cm 15 microsec Energy 4.5 4.5 4.5 9.0 15.0 micJ/cm2 ------ Peak Pwr 1800 225 600 2000 2000 mW/sq cm 10 microsec Energy 18.0 2.3 6.0 20.0 20.0 micJ/cm2 ------ Peak Pwr 2500 --- --- --- --- mW/sq cm 5 microsec Energy 12.5 --- --- --- --- micJ/cm2 ------ Average 11.7 3.4 5.3 14.5 17.5 Energy micJ/cm2 ----------------------------------------------------------
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