The following are signal details suggested to those interested in experimenting in voice-to-skull radio transmission or with bioeffects of microwaves in general. The owner of this web page has not yet succeeded in any of these areas, but the information here has been suggested by both rigorous and non- rigorous articles on the subject.
FOLLOWING ARE BRIEF EXCERPTS FROM OR SUMMATIONS FROM ARTICLES SPECIFIC TO VOICE-TO-SKULL TECHNOLOGY AS IT RELATES TO THE WRIGHT-PATTERSON SCARE-BIRDS- AWAY-FROM-RUNWAYS TECHNOLOGY: Updated July 21, 1997 Science, vol. 181, 27 July 73, Allan H. Frey and Rodman Messenger, Jr.: p. 356: Perception occurred when the subject was illuminated with energy from approximately that portion of the EM spectrum defined as the UHF band, that is, from 0.3 to 3 GHz. p. 357: An approximate threshhold for perception, when the subject was in a noisy environment, occured at a peak power density of 267 milliwatts per square centimeter... p. 358: There are also RF modulation parameters that cause subjects to report hearing "sounds" with definite pitch and timbre characteristics. Nature, vol. 210, May 7 1966, J.A. Tanner, NRC, Ottawa, Canada AND, Nature, vol. 216, DEC 16 1967, page 1139: ** These excerpts deals with microwave-induced muscle-jerks, rather than voice-to-skull: p. 636: With the antenna mounted vertically above the cage, it was observed, a few seconds after the onset of radiation [16 GHz, 8,000 pulses per second, 10 to 30 milliwatts per cm2] that sustained extensor activity of a wind and leg occurred - a reaction possibly due to the penatration of induced electrical activity to the spinal cord. Shielding first the head of the chicken, and then the body leaving the head exposed, produced no significant change in the manifested extensor activity. [JIBES WITH MY EXPERIENCE PERFECTLY-E.W.] Journal Acoustical Society of America, June 1982, Chung-Kwang Chou, Arthur W. Guy, and Robert Galambos: [This article is a detailed "proof" that the "microwave hearing" phenomenon is thermal in nature. The calculated temperature rise due to the pulses studied is a surprisingly small 1/100,000th to 1/1,000,000th of a degree centigrade. - E. W.] p. 1321: ...the absorption [of microwave energy] can be appreciable at the resonant frequency near 70-80 MHz (where the long dimension of the [human] body is approx- imately 0.4 wavelengths. For a human head, the resonant frequency is near 600 MHz. p. 1324: [Describes audio frequencies applied as pulse repetition rates - roughly speaking, rep rates from 1,000 to 12,000 per second were tested and produced various sounds. The suggested pulse durations were in the range of 5 microseconds to 150 microseconds - E.W.] pp 1324-1325: In summary, there is uniform agreement that human beings with normal high- frequency hearing can perceive an auditory sensation when exposed to microwave pulses of sufficient energy content. The [UN- modulated] RF sound may be perceived as clicks, buzzes, or hisses depending on the [pulse repetition rate and duration]. This received sound, at least for pulses less than or equal to 50 microseconds seems to originate at the central, posterior aspect [i.e. back] of the head. Bioelectromagnetics conference, 1992, 13:323-328: [This article deals with modification of the ability for a sudden sound to startle rats, and does not deal with microwave hearing. - E. W.]