ICNIRP Guidelines do not provide a restriction to specifically account for microwave hearing

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Hmm ... AUDITORY, VESTIBULAR, AND OCULAR FUNCTION

 

A number of animal and some human studies have tested for potential effects of radio frequency EMFs on function and pathology of the auditory, vestibular, and ocular systems. Sub-millisecond pulses of radio frequency EMF can result in audible sound. Specifically, within the 200–3000 MHz EMF range, microwave hearing can result from brief(approximately 35–100ms) radio frequency pulses to the head, which cause thermoelastic expansion that is detected by sensory cells in the cochlea via the same processes involved in normal hearing. This phenomenon is perceived as a brief low-level noise, often described as a“click” or“buzzing.” For example, Röschmann (1991) applied 10-and 20-ms pulses at 2.45 GHz that caused a specific energy absorption (SA) of 4.5 mJ kg−1per pulse, and which was estimated to result in a temperature rise of approximately0.00001°C per pulse. These pulses were barely audible, suggesting that this corresponded to a sound at the hearing threshold. Although higher intensity SA pulses may result in more pronounced effects, there is no evidence that micro-wave hearing in any realistic exposure scenarios can affect health, and so the present Guidelines do not provide a restriction to specifically account for microwave hearing.

 

 

 

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Page 38

https://www.icnirp.org/cms/upload/publications/ICNIRPrfgdl2020.pdf

 

[oceanwave]

The transmitter used pulse-modulated waves at extremely low average power levels. The transmission was immediate. The system was wireless and receiverless, and the sounds were even heard by the deaf. Then in the mid 1970s, Dr. Sharp helped to develop microwave hearing technology for DARPA by conducting research at the Walter Reed Army Institute of Research (WRAIR). In 1973 Dr. Sharp proved that the correct modulation of microwave energy could result in the wireless and receiverless transmission of audible speech.

 

In 1976 it was reported by the Los Angeles Herald-Examiner that the Soviets were also conducting extensive research into microwave hearing that was brought to the attention of the US Defense Intelligence Agency. Words which appeared to be originating within a person’s skull, they reported, could be induced by microwaves. The technology was to be used for antipersonnel purposes.

 

The October 1998 US Patent 4877027—Hearing System, mentioned that sound could be induced in the head of an individual using microwaves in the range of about 100 MHz to 10 GHz. The waves consist of frequency modulated bursts lasting from about 500 nanoseconds to 100 microseconds that create a sense of hearing in the individual whose head is targeted. It is effective regardless of a person’s hearing ability.

 

http://www.newworldwar.org/microwavehearing.htm

 

https://patents.google.com/patent/US4877027A/en

 

 

just adding to thread topic

[Deca]

Again I have more on this PDF ...but this is important "ICNIRP Guidelines do not provide a restriction to specifically account for microwave hearing" meaning the guideline levels would not restrict a microwave hearing effect taking place ....and goes back to this https://www.magdahavas.com/wp-content/uploads/2011/02/BIOLOGICAL_EFFECTS_OF_ELECTROMAGNETIC_RADIATION-RADIOWAVES_AND_MICROWAVES-EURASIAN_COMMUNIST_COUNTRIES.pdf