The Hum, TCAMO full circle,
power systems and do we really need space physics interactions for all
cases. By Dr
Chris Barnes, Bangor Scientific and Educational Enterprises Email
scienceconsultants@yahoo.co.uk
Web www.drchrisbarnes.co.uk
Abstract
The Hum is defined. The
likely present day and historic causes of the Hum are discussed. More evidence is put forward for the
involvement of power systems in the Hum and the fact that faults
, noise and harmonic in the LV network might cause daytime Hum without
the need for Space Physics involvement.
Introduction
The Hum in classic definition is an idling engine type
noise occurring geo-sporadically in location and time and perceived by an
estimated 2-11% of the population. For
some it is of little concern, for others a cause of occasional sleep disruption
and for a few unfortunates they are driven to distraction or on the odd
occasion even suicide (http://www.guardian.co.uk/education/2001/oct/18/medicalscience.healthandwellbeing
The present author’s exhaustive period of seven years
research points almost beyond doubt to the Hum as being a magneto-acoustic
effect both in generation and perception and to the increasing power density in
World Power Systems (Electricity) as being the most likely present cause based
on measurements pertaining to the composition and frequency of occurrence of
the so called Bangor Hum.
Hummers report mainly hearing the Hum at night but
some hear it all day long depending on location. Professor David Demming
commented that the original UK Hum of the 1970’s seemed to most likely coincide
with the expected positions of TCAMO aircraft in space and time. These
transmitted 200 kilowatt VLF transmissions to submarines. It is thought the TCAMO system may have long
since been superseded.
TCAMO ‘full circle’
At the time of Deming’s paper, the present author was
unconvinced concerning the possible involvement of TACAMO because other land
based VLF sites did not produce the Hum. However, the present author did
comment in a letter to JSE that if VLF detection in humans is non-linear, the
TCAMO hypothesis could be feasible. Plus
TCAMO would also provide infrasound another component of Hums. Since this
letter there is a swelling body of evidence to suggest that electromagnetic
bio-effects and magnetic detection in humans is expected to be non –linear (Carrubba et al http://andrewamarino.com/PDFs/144-Neuroscience2007.pdf) and possible at
very low field strengths. There has also been confirmed the presence of
biogenic magnetite in humans (http://onlinelibrary.wiley.com/doi/10.1002/bem.2250130710/abstract).
Humans are doubtless tuned to natural radio and magnetic processes of the
planet and exosphere (http://www.stil.bas.bg/IHY/00SGArhiv/SG_v4_No2_2009-p-60-71.pdf).
Indeed the author has recently advanced a hypothesis involving PC1 pulsations
and seismic mixing to account the Hum. The very fact that human magnetic and
electromagnetic sensitivity has been shown to be non –linear could alone (as a
separate simpler hypothesis) be sufficient to account for the geo-sporadic
nature of the Hum in time and space.
Nowadays HAARP is most likely used for submarine communication along
with other uses of ELF and VLF.
Practical research and personal experience of the author tends to
suggest that power systems harmonics and ground currents are far more potent
prime movers of the Hum.
Do we need Space Physics?
Based on the behaviour of the Hum at the author’s
Bangor residence it would appear that the Hum has anthropogenic and natural
components and peaks with outbreaks of PLHR/MLR. Not only have 50 and 60 Hz line spacing been observed
but recently 16.7 Hz spacing due to railway systems has also been found! ELF
magnetospheric lines observed by DEMETER
Parrot M., Nemec F., Santolik
O., Berthelier J.J.
Annales Geophysicae
23, 10 (2005) 3301-3311 - http://hal.archives-ouvertes.fr/hal-00330062
PLHR/MLR is thought to arise from direct radiations to
space form the HV and EHV power grid.
PLHR/MLR frequencies span up to a few kilohertz i.e. covering the VLF
band and there are recognised mechanisms for electrophonic hearing in this band
(http://home.pacific.net.au/~ddcsk1/bibliog.htm
).
However, do we really need PLHR or high voltage for
the Hum? Some Hummers describe hearing
the Hum at certain locations all the time. The author is presently in direct
personal communication with a lady Hummer in South Wales and two in Charlbury Oxfordshire who fall into this category. The author has recently noticed ‘daytime’ Hum
in his mother’s residence and at two locations between the villages of Tregarth and Mynydd Llandygai in Gwynedd.
All three locations are immediately adjacent to overhead three phase
supply in the LV network and all three are very proximal with BT telecoms conductors as well, the
involvement of signals from the latter is unknown.
Discussion
Common however, to all three sites are very high
levels of noise and harmonic measurable in two of the sites up to 2MHz and at
one site up to 14 MHz!! The cabling is
solid conductor type so it is speculation that the noise is partial Insulator
breakdown or earth current generated. It should be noted that there is no PLT
(BPL) in North Wales. These have been recently advocated for a severe rise in
the Hum in the USA. However it is unsure if there could be cross-talk via earth
loops or similar between LV power and BT as a precipitator of Hum. Further studies will be made.
It is hoped to report on a spectral analysis at these
sites at a later date.
It is tempting to speculate this scenario may be yet another generic cause of
the Hum.
Conclusion
TCAMO could have had an electromagnetic involvement in
the early Hum after all! Space Physics processes and the Super Grid are more
than likely involved in night time only cases of the Hum. However, fault
conditions on the LV power network might cause localised daytime outbreaks of
the Hum. Further work is planned.