Product Review from Treasure Magazine
Dell Systems Remote Sensing Geo-Surveyor
The controversy over what has become known as the MFD, or molecular frequency
discriminator, continues. Electronic engineers who rely strictly on conventional
physics maintain the MFD is essentially a dowsing rod because it is not based on
universally accepted scientific principles. Over the last several decades
another group of engineers, familiar with the principles of dowsing, have
attempted to bridge the gap between standard physics and the so-called
extrasensory abilities of the human mind. They believe that any substance
creates a measurable electrical field that inter-reacts with the electrical
magnetic fields of human cells. Since the molecular composition of substances
differ, the frequencies or harmonics of their electrical fields likewise differ.
The job of the MFD is to filter out the frequencies of unwanted substances, so
the operator can tune in only desired substances, such as gold.
Science may never prove these theories correct, but perhaps that is
unimportant. Scientists still don't know exactly what electricity is, yet their
theories about the phenomenon led to many useful appliances. As development and
testing proceed, MFDs may prove out the same way, for a few treasure hunters,
including non-dowsers, claim some success with them. With this in mind, let's
take a look at the operating principles of one of the more interesting units on
the market Dell Systems Geo-Surveyor, a compact, lightweight instrument
utilizing the concept of harmonic induction discrimination for medium range,
sub-:surface metal and mineral exploration. The Geo-Surveyor circuits were
designed by electronic engineer Vernon Rose, one of the pioneers of the
molecular frequency discriminator. The circuitry in the Geo-Surveyor provides
greater latitude resulting in better discrimination and a more accurate
on-target signal. The Geo Surveyor also incorporates a "Magna Wave'
receiver to smooth distortions of the magnetic field, providing more definable
responses from the receiver antenna rods.
The small but powerful transmitter was developed to utilize the medium of
soil or water to transmit and receive wavelengths for distances up to 1/2 mile
horizontally or vertically. The range of the Geo-Surveyor is dependent on soil
density and atmospheric conditions, however, and most practical surveys are
generally conducted within a range of 100 yards. The signal is omni-directional,
and the unit reflects and receives its own signals from surrounding metals or
The returning signals are received through an analyzer which rejects
frequencies other than those that it is programmed to accept. The Geo-Surveyor
comes factory programmed to identify and locate gold or silver, but it can be
custom programmed to find more than 58 other elements.
The Geo-Surveyor is easy to operate, but efficiency of the operator is gained
through practice and is the key to proper interpretation. Although training is
advised when possible, it is not essential for immediate use, and the operator
can become proficient through adequate practice and close attention to the
operating instructions provided with the instrument.
To survey a potential site, two small ground probes are inserted in the
ground. These connect: to the transmitter by virtue of color-coded positive and
negative plugs that match the color-coded jacks on the face of the transmitter.
A two-position switch on the transmitter face allows the operator to select the
setting for either silver or gold (or the other elements that have been custom
programmed). An indicator light above each setting comes on at the selected
position when the unit is turned on.
Two antenna rods with telescoping shafts can be lengthened when in use and
retracted for easy storage in the carrying case when not in use. The antenna
rods have a single plug which connects to the belt mounted Magna Wave receiver.
Power for the receiver is provided by one 9-volt battery. A battery test button
on the top of the receiver can be depressed to test the battery. An LED light
next to the test button will light up and an audible tone will sound to indicate
battery condition. Care should be taken to prevent the antenna rods from
touching together. This will rapidly deplete battery life. However, a breaker
has been installed in the receiver in the event the rods are inadvertently held
together while plugged into the receiver. When operating, the antenna rods
should be held in a horizontal position and properly balanced. This technique
will become natural with practice. The rods are made to rotate freely in the
The transmitter is powered by four 'C' batteries that may be easily replaced
by removal of the plastic panel cover on the rear of the transmitter. Although
the four 'C" batteries will provide many hours of usable battery life, the
manufacturer recommends the operator always carry an extra set of batteries,
including a spare 9-volt for the receiver, whenever going out into the field.
It is important to wait three minutes after first turning on the transmitter
before beginning a search pattern. This allows time for the signal to reach a
target and return a signal to the receiver.
When beginning a search, the antenna rods are held by the operator, one in
each hand, and are the visual indicators that identify the signal line received
by the belt mounted receiver. The rods align themselves with the line of signal,
remaining straight ahead when traveling parallel over the signal line or
crossing when traveling perpendicular over the signal line. Following an 'S'
pattern from the transmitter, back and forth over the signal line, and moving
further away from the transmitter with each crossing will identify the line
between the transmitter and the target, by causing the antenna rods to cross
directly over the signal line on each pass. Once past the target location, the
rods will cease to cross, even when passing over the direction that the signal
line had taken up to the target.
Once a signal is received and the exact location identified, the operator can
then adjust a rotating anomaly qualifier knob, which has been mounted on the
transmitter face in order to identify the quantity of precious metal present.
Turning the knob counterclockwise identifies the quantity in ounces. Turning it
clockwise identifies the quantity in pounds, up to five pounds. This knob should
be set at 'O' (straight up) when beginning the search process. Once a deposit or
vein has been located, the quantity (weight) can be ascertained, and by
approaching the target material from four different directions, it is possible
to determine the size (and to some degree, the configuration) of a deposit or
The electronic circuitry of the Geo Surveyor is so designed to eliminate
signals from micron (flour) gold while picking up the signal from a gold nugget,
even when the nugget is surrounded by flour gold.
The Geo-Surveyor is specifically designed for the purpose of
locating and analyzing metal and mineral deposits that are out of reach of
conventional metal detecting equipment. It sells for $895 programmed for a
single element and includes a one year limited warranty. For more information,
do not hesitate to write to Dell Systems, P.O. Box 1298, Haines City, FL 33845,
or call (941) 422-5454.
Reprinted courtesy of Treasure Magazine