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What is ITC?

ITC is an abbreviation for the term "Instrumental Trans- communication"

The term describes communication with non-physical entities through electronic devices.

Instrumental Trans- communication

ITC Research

Instrumental Trans-communication - A review
by Prof. Dr. Ernst Senkowski – Mainz – Germany – update Sept. 1998

Translation from the German Journal „TransKommunikation", Vol. 1.I, No. 1, 1990


This review describes initially two simple classifications for different types of communication and trans- communication.

1) Possible sources of transinformation are discussed in short.

2) Historical development is traced from "Voices on Tape" or "Electronic Voice Phenomena" to direct electro-acoustic voices, images on video-     tape and TV-screens and messages through computers.

3) Nine particularly impressive cases of transcommunication from Germany, England, Italy, Luxemburg and the USA are reported.

4) Further scientific research of these psycho-physical phenomena is recommended.

5) Current understanding leads to the possible definition of synchronistic events between different informational systems in a framework of harmonic resonance.


Types of Communication

Communication means to share something or to inform someone of something; the prefix "trans" refers to beyond of the material world. Transcommunication (TC) means the one-way reception of information from apparently non-terrestrian sources as well as dialogues with trans-entities, appearing as personal structures. TC can be related to the known types of communication:

                                                                                                                                    (I) Biological

                                                                                                                                    (II) Technical


                                                                                                                                    (III)  Mental-mediumistic-telepathic

                                                                                                                                    (IV) Automatisms
                                                                                                                                    (V) Materializations

                                                                                                                                    (VI) Technically-supported = instrumental TC


(I) Biological communication is mediated by the sensory-motor organs. It is limited to the near surroundings.

(II) In technical telecommunication electromagnetic information carriers bridge great distances with the speed of light.

Suitable transducers, f.i. microphones and loud-speakers for the acoustic range, mediate the transitions between man and device.


(III) Mental-mediumistic contacts happen in the human psyche. They are partially conscious subjective experiences only accessible to the single            receiver. Their contents can be mediated to other people either verbally or in writing.

(Iv) Realization of transinformation by automatisms is mostly unconscious f.i. by full-trance mediums. Messages may be spoken by unfamiliar voices or written in unfamiliar writing.

(v) Rather rare materializations appear as variable, fleeing, so-called ectoplasmatic structures, which are intersubjectively perceivable and can be documented by photography. They may communicate in human forms. Objective "Direct (or independent) Voices" are of special importance. They are observed near to the medium apparently coming from a "voice box" as sort of artificial larynx in free air which is detectable by infrared methods (see f.i. Leslie Flint in Findlay).

(vi) Technically-supported instrumental contacts are the latest step in the development of a phenomenon, the challenging reality of which is "swept under the carpet" by many materialistic parapsychologists because it too clearly points to the spiritistic hypothesis.


Instrumental Transcommunication ITC

ITC shows itself in audio-visual forms parallel to the inner voices and visions of psychic mediums.                                                           

                                                                                                     AUDIO                        Telegraphy

                                                            I T C 

                                                                                                     VISUAL                       Text


Nearly all current electronic devices have been used to receive and document voices, texts and images:

Reel-to-reel tape recorders, cassette-recorders, video-recorders, video-cameras, telephones, answering-machines, broadcast- and radio-receivers, TV-receivers, computers, floppies, monitors and printers.

Additional specially developed systems constructed from normal components, as well as acoustical and optical support f.i. infrared and ultraviolet radiation and ultrasonic generators have been applied.

The spontaneity of the ITC-events and their limited reproducibility make their purposeful research difficult.

ITC – like other PSI-phenomena – cannot be understood in the generally accepted scientific models.

The conditions of their realization are largely unknown.

According the knowledge gained until now psychic, bioenergetic and physical fields could be fundamental, their interactions might be described in the frame of generalized field theories. Such theories have been proposed f.i. by Bearden, Dubrov, Heim, Toben.

Presuming the existence of trans-entities a special "contact field" may be assumed comprising the involved communicating structures in a holistic manner.

Contact-fields link virtual trans-entities with human persons and an electronic device.

Probably the necessary adaption process of energy-, time- and consciousness structures are hidden behind these connections.


Source of Transinformation

Several groups of trans-entities can be discerned:                          




                                                                                                    Non-Humans             Unknown spiritual beings


Technically-supported contacts between humans on earth (telepathy by means of audiotapes) is not necessarily part of ITC, but the fundamentals could well be the same.

A reliable definition of the type of existence of trans-entities is not possible.

Any classification remains doubtful.

Many contents and forms of messages point to autonomous deceased humans who exist independently of us and who can be recognized.

This is by far the simplest explanation, in spite of many adverse reactions.

Much more difficult is a tentative description of non-human trans-partners.

It seems that they possess sort of live on their own.

They could be partial projections that try to adapt themselves to our understanding.

They could even be provocated or produced by our attempts. Nevertheless all of them have effects and seen in this way they are effective or "real".

The most generalised description uses the nation of more or less complex dynamic structures of an all comprising holistic information-space.


Historical Development and Present Status of ITC

The historical development of ITC has been treated extensively in the literature. Beginning with the 20's in our century several mediums predicted technical contacts explaining that entities in the beyond were working for it. Early experiments – partially successful – remained unnoticed.

The first to go public were the pioneers Juergenson, Raudive and others since about 1960 presenting apparently paranormal voices on magnetic tapes.

Around the 1980's several experimenters observed stronger effects: the already mentioned direct electroacoustic voices with high volume and good understandability, single images on video-tapes, short sequences of images on TV-screens, and finally page-long texts in computers.

Compared with the many thousand people trying to find voices on their tapes, the number of "higher developed" experimenters/operators – known to the author – remained rather small so that an overview is possible. Most of the phenomena treated in the following paragraphs developed through many months of extensive patient experimentation. The involvement of personal psychic components or faculties is clearly to be recognized.

Marcello Bacci in Grosseto, Italy, held "psychophonic sessions" once a week through about 20 years with a limited group of co-workers. Characteristic recurring voices have been observed and documented as well as trans-music and extraordinary signals in Morse code. Development and results are reported in detail in a book which appeared in 1985. Two books followed.

William O’Neil, member of the former Metascience Foundation, Inc. (Franklin, N.C. USA) around developed a complex system based on mixed electromagnetic oscillations in close contact with the late Dr. George J. Mueller, NASA expert, who died in 1964. The system "Spiricom Mark IV" allowed for about 20 hours two-way communication distributed over several months. Contacts broke down end of 1981 and could not be resumed in spite of the publication of the details of the system, the function of which clearly depended upon O’Neil’s psychic faculties.

Hans-Otto Koenig in Moenchenglachbach, Germany, started to tape voices in 1974. During the following years he constructed different complex electronic systems on the basis of mixed electromagnetic oscillations trying to improve the quantity and quality of the voices. His transpartners seem to be a group of deceased persons answering questions and giving advice. During the last years Koenig succeeded to realise trans-images, including such in movement accompanied with partially synchronised voices.

Manfred Boden, Buehl, Germany, died in 1990. He was – as far as known to the author – the first to observe meaningful behaviour of a computer (Commodore C 64). Variations and additional signals seemed to be connected with a dead friend. Dialogues via telephone were realized with apparent "energy-beings existing in the 7th dimension". Similar messages have been observed later on in other places by other experimenters. The "dead" Manfred Boden sent several messages through computer and radio at the experimenter Adolf Homes (see further down).

Ken Webster, England, experienced a series of more than 250 computer two-way contacts with two groups of trans-partners. The contacts seemed to be manipulated by a group of nameless "energy-beings" in a "tachyonic universe" who succeeded in synchronizing the time of the experimenter 1984 with the time of a person living in 1546 in the same place. The main communicator from that time, a priest Thomas Harden, could be confirmed in the files of the Oxford University. He envisioned Ken Webster and his girl-friend as "spooks" and was conscious of the fact that they lived in his future. The messages of the tachyonic group contained remarks concerning UFOs. Webster reported his experiences in "The Vertical Plane".

Klaus Schreiber, Aachen, Germany, died 1988. He was the first to use an electronic-optical feedback-system (video-camera pointed onto the TV-screen) connected to a video-recorder. He found single-framed images of his decease relations as well as of prominent people and unknowns. The well known German TV-moderator Rainer Holbe wrote a book about these experiences. The feedback method is now applied successfully in Germany, Austria, Italy, France, Spain, Switzerland and the USA.

The couple
Harsch-Fischbach, Luxemburg, started 1986 with short voices mostly difficult to interpret. During many months several distinct recurrent electro-acoustical voices gave messages of several minutes duration. Later fluent dialogues became possible in which the Harsch received advice to improve their system composed from different radio and TV-receivers in an completely ununderstandable composition. Then their first images appeared on the TV-screen (TV tuned to ree channel) and could be video-taped. The deceased pioneer of voices on tapes, "Konstantin Raudive", seemed to be the most prominent communicator, moreover a "higher being Technician" and a "female scientist from a parallel world" and others manifested. The trans-station calls herself "Time-Stream" with a subgroup "Co-Time". Computer-contacts started spontaneously, allowing written dialogues. Lastly digitalized images appeared.

Peter Haerting, Darmstadt, Germany, died 1988. He received a long series of Direct-Voice contacts through a complex system of different radio-and TV-receivers during 1987. The communicator named himself as "ABX" – in the sense of "an experiment from outside penetrating into our biosphere".

The latest ITC-station developed several years ago in Rivenich, Germany, at
Adolf Homes and his former co-worker Friedrich Malkhoff. As in other cases they started to tape voices and by time most of the ITC-forms were realized similar to the Luxemburg case. Partially recurrent communicators mostly include deceased humans and other beings. Contacts via the different devices are interlinked and sometimes referred to contacts received in Luxemburg and other places including the USA. Mr. Homes died Oct. 1997 after more than 300 high quality computer messages by means of a Commodore C 64.


Three final remarks

1. The "official" verification of ITC in laboratories has not yet been realised. The experiences gained so far by private persons justify scientific research.

2. In the cases observed the technique is clearly secondary as compared with the psychic conditions.

These are not events which can be compared with terrestrian telecommunication in which the function of any device is independent upon the special user.

The purely technical TC-systems are yet to be developed.

3. It remains questionable whether the current communication-model "sender transmits information to receiver via a channel" can be applied in ITC. For deeper understanding more generalised conceptions are probably necessary in the sense of synchronistic harmonic (hyper-) resonance of complex informational structures in information-space (or: hypernet) not subject to the time-depending cause-effect principle or causality.


More information on ITC can be found here,  Mark H Macy, The Phenomenal History and Future of ITC Research.


You can also go here to World.ITC, but it looks very dated and also looks like the site hasnt been updated or looked at since  2012


The Present Day (2018)

From when this review was originally written, it is very much  outdated with the types of equipment we currently utilise in 2018 compared to the what was first used in the 1960's, 1970's, 1980's, 1990's and even the year 2000 when conducting our investigations using ITC.

We use digital recorders for EVP, SLS cameras for capturing spirit manifestation, a range of EMF meters for energy spikes, laptop computers,Spirit boxes SB7 and SB11 devices, Paranormal Puck, Ovilus, Rem Pods, EVP software, tablet computers the tech is growing and always evolving,  the early pioneers in our profession would be  in amasement with the research equipment we have at our disposal today (2018).

In the early days of EVP to look at the waveform they would have had to use machines called oscilloscopes, today we download the EVP on to a laptop use specialist software where we can see the waveform, perform voice analysis and clean up, stretch, slow down, speed up  the speech, take out back ground noise so we can get a clear audio of the EVP capture and what is being said can be heard more clearly.

We  have a classification system for what does makes a good EVP,

EVP classification, or classifyingElectronic Voice Phenomenon varies, as different EVP classification scales may be used by ghost investigation groups.

EVP are ghostly voices recorded from, typically a haunted environment and are not usually audibly heard during the EVP recording session.

It is important to first understand that there are different qualities of spirit voices; thus an EVP classification scale becomes important.


The AA-EVP Classifications

Sarah Estep, founder of AA-EVP, created the "Estep EVP Classification System." In Sarah's chart, there are 3 types of EVP as a grading standard. This is probably the most popular classification used by ghost investigators.

Classification A EVP: 

"A clear and distinct voice or sound that is universally accepted and undisputed, because it must be understood by anyone with normal hearing and without being told or prompted to what is being said or heard. It can be heard without the use of headphones."

Classification B EVP:

 "A voice or sound that is distinct and fairly loud. This class of voice is more common and can be heard by most people after being told what to listen for. It is usually audible to experienced persons who have learned the skill of listening to EVP. It can sometimes be heard without the use of headphones."

Classification C EVP:

 "A faint and whispery voice or sound that can barely be heard and is sometimes indecipherable and unintelligible. It may have paranormal characteristics, such as a mechanical sound. Most investigators would apply objectivity and disregard it, but may save it for reference purposes."


The SHGGRS EVP Classification System

Strange Happenings Ghost and Hauntings Research Society also came up with their preferred version of EVP classification that may be used to further define EVPs recorded.

They chose to break down the EVP classification by type, level, and response clarification.

The following is the list of classes, levels and categories that may be used:


Class DC (direct communication): The ghost voice clearly answers a question or directly responds to something said.

Class PC (personal communication):
The ghost voice clearly says something meaningful directly to someone present.

Class RC (random communication):
A ghost voice that answers no direct question, does not appear to be aimed at any particular person and doesn't make sense in the context it was receive. 


Level 1: Loud, clear and easy to understand...sounds like natural speech (including whispers and fast speech).

Level 2: Lower volume and the voice is warped, but still discernable.

Level 3: Very low volume, hard to understand and excessively warped.


Morph: The voice and/or words of someone who is speaking is changed into something else in the playback of the recording. Words that are different than the person who spoke, or one voice changing to another, etc.

ERV (event related voices): Events such as someone talking or coughing, or the sounds of a passing train or car, etc. seems to trigger the EVP.

TR (thread related): One utterance is a comment on, or a response to, an utterance just before. They are related by contextual thread. Examples would be hearing two or more voices talking to each other, as well as a voice responding to something previously said by itself and/or someone or something else.

CHR (chorale): Two or more voices speaking at the same time, either saying the same thing or something different.


Some Notes Regarding EVP Classification:

The AA-EVP found that most EVP messages are recorded more frequently in the evening and/or during stormy weather (best times for ghost hunting). Most EVP messages are typically short in length, preceded by a click or thud sound, are usually in the language of the experimenter being delivered in a single voice (male or female), and exhibit a frequency shift different from the normal human voice frequency range.

At GITUK, we like simple and easy to understand, so we use the AA EVP classification method. 

During an investigation we havent the time to explain in the field that we have just received a Class DC, Level 2, ERV EVP, its a bit of a mouthfull and not everyone does this ghost busting malarky full time enough to remember all that guff off the top of there head, and then to reel it off at a haunted location.

If I was writing up my Phd I would use the SHGGRS EVP classification just as it would clarify as to what extent the audible capture was and explain it in a dissitation paper so any examiner would know what the hell it was I was going on about.


There is another classification system, I think this was made up because the other two above had been done already and these wanted to create there own for no doubt fame and fortune in the paranormal community,

We haven't seen or heard this system used ever, so here it is, as you wouldn't have heard of it either.

The KM Scale - EVP Classification


Spirit voice is a direct response to a human statement, question, action, activity, or spirit voices respond to each other: • Most or all of the words are clear and intelligible, with or without headphones.    • Spirit voice communicates comprehensible and existentially meaningful expressions of thoughts, feelings, emotions, opinions, actions, or intentions.


Voice is a general statement and not a direct response to a statement, question, action, or activity, by humans: • Most or all of the words are generally clear and understandable, with or without headphones.    • Spirit voice communication is comprehensible and existentially a meaningful expression of thoughts, feelings, emotions, opinions, actions, or intentions.


Spirit voice is a sound other than the spoken word: • Growls, screams, humming, etc.    • Musical instruments, TV, radio, concerts, footsteps, rapping, banging, barking, etc. CLASS 4 – NULL EVP - VALUELESS The EVP contains nothing of value in understanding the spirit realm or spirit psychology • Words are unintelligible, with or without headphones.    • Spirit voice does not communicate comprehensible and existentially meaningful expressions of thoughts, feelings, emotions, opinions, actions, or intentions, although the word(s) may be intelligible.

The authors of the KM scale wrote:

While the quality of the EVP recording is important, it is the potential message contained within it that is of the utmost value in discovering more about life after death. Therefore, this EVP naming conventions approaches the classification of EVP primarily from the standpoint of how meaningful they are in helping humans to understand the spirit realm and spirit psychology, rather than simply how intelligible the EVP may be (although this is included).

Please note that EVP by definition are voices and/or sounds captured on recorded media and not voices and/or sounds heard audibly.

The goal of the following conventions is to make the classifying of EVP as objective as possible in order to minimize researcher subjectivity.

The Dimension Zone, In the Shadows Paranormal Project, and the Journal of Anomalous Sciences all recommend using the KM Scale as the primary means of classifying EVP.


GITUK says, "Use the AA-EVP method its simple and we all know what it is".