Frequently Asked Questions

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How does lightning "Prediction" differ from lightning "Detection"?
Lightning "detection" systems detect the electromagnetic signatures that
are the by-product of actual lightning strikes. Lightning "prediction"
senses and evaluates the shifts and changes in the electrostatic field
that precede the occurrence of an actual lightning strike. This is the
reason why our unique lightning prediction technology has always been
able to provide warning before the first strike. According to a leading
lightning detection manufacture's specification sheet, they need three
strikes within 10 miles before they achieve peak operation. What if the
first strike is right on top of you?
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How much advance warning can I expect from a THOR GUARD lightning prediction
system to find appropriate shelter?
The THOR GUARD system has been designed to offer various sensitivity levels in
order to satisfy a diverse range of client needs and geophysical locations. In
a typical user-selected range (12 mile/2 miles) the system would provide 8 to
20 minutes advance warning. It is important to note that lightning does not need
to be visible before a warning is given. Our unique "Field Collapse Counter" is
the most accurate lightning detection method in existence today and will respond
to subtle migrations of potentially dangerous energy.
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Is there a minimum acceptable range for how close a lightning strike has occurred
before shutting down operations?
This is not an issue when using a THOR GUARD system because we are predicting strike
probabilities for your immediate area of concern and updating the data 50 times a second.
For lightning detection systems, however, the choice of the correct range is critical.
The most recent data from a 1998 study by Messrs. Holle & Lopez (Severe Storm Center)
would indicate that the minimum acceptable range from the last strike should be no less
than 6-8 miles. This obviously would indicate that waiting for lightning to reach the
previous standard of a 0-5 mile range, is dangerous. The new data also challenges the
popular "Flash to Bang" theory because lightning can rarely be seen and/or thunder heard,
as far away as 6-8 miles
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Internet searches have revealed a few organizations that give the appearance of being
the authorities on lightning. Why do these organizations promote only lightning detection
and not lightning prediction systems?
While appearing to be independent and objective, many of these associations have in fact
been created to further the best interests of one company. If you look closely at the makeup
of these groups, you will notice many of the same names listed as Board Members, employees
and advisors. Further scrutiny will reveal an association with a dominant lightning detection
manufacturer. While offering some pertinent advice on lightning, most of these organizations
are critical of our products because it is in their financial best interest to do so.
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Exactly what is THOR GUARD's role with professional golf and the 1996 Atlanta Olympics?
THOR GUARD is the only stand-alone lightning warning system used by the PGA Tour (see
"Customer Responses"), the LPGA Tour, the PGA Senior Tour, Buy.com Tour, Golden Bear Tour,
Lone Star Tour, and all PGA major championships. THOR GUARD can be found at 75 USGA
sections, 9 PGA sections, the PGA of America, at all USGA championships (lightning detection
equipment occasionally used at USGA events), and was at every Atlanta Olympic venue except
Sailing. Our system has been "tournament tested" through thousand's of hours of operation -
NO False alerts - NO late notices. Don't take our word for it, check it out!.
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Is it true that there is no statistical or data based evidence that THOR GUARD predicts lightning?
No it is not true! Actually there are several patents on the system dating back to the 1970's
proving its unique abilities and adherence to a strict database system. The, further enhancement
of this science is proprietary and therefore not available for publication.
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What is the difference between lightning "protection" and lightning "warning" devices?
If you should hear that the THOR GUARD product is not a "protection" device or system,
that would be correct. We offer lightning "warning" systems, not "protection" systems.
According to the "Lightning Protection Institute" a lightning "protection" device provides
actual protection against a strike. In this category are surge suppressors, lightning rods,
grounding systems, large buildings, etc. THOR GUARD WARNS PEOPLE, BEFORE A STRIKE WILL HIT,
TO GO AND SEEK "PROTECTION"! Any company that represents that a lightning detector or horn
warning system is lightning "protection" does not understand the facts.
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What is the audibility range of one Voice of THOR horn warning remote and is this system
capable of operating solely on solar power (no wires)?
The normal range of one "horn cluster" (six, air-horns) is 700-800 yards, in a 360° pattern.
Typography, tree density, air moisture content and ambient noise are all factors that will
affect performance, (Example: A normal 18-hole golf layout will need (1) Base Transmitter/Horn
Cluster and (2) Remote Receiver/Horn Cluster locations.
More than 95% of all new installations now utilize solar power as the primary power source
(not just as a backup like competitive systems). We actually prefer the solar option because
access to external power is expensive and unreliable. We have also discovered that battery
life (12 volt) may also be extended.
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Does your system shut down due to cloud to cloud discharges like detection systems or is
it prone to giving false alerts ("false positives")?
No, our system does not shut down due to cloud to cloud discharges. Because we monitor the
electrostatic atmosphere and compare all readings to a finite database, we seldom issue
false warnings that result in out horns being activated. Do you think that all the professional
golf tours and other clients would continue to utilize our products after-years of experience
if we gave false-readings?
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