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Long-range Locator Review video Episode 1
Long-range Locator Review video Episode 1
Published: 2017/06/03
Channel: Temple Raider
Metal Detecting a Creek ! Found silver with my Long-Range  Locator!!
Metal Detecting a Creek ! Found silver with my Long-Range Locator!!
Published: 2017/07/09
Channel: Temple Raider
Metal detector and gold detector phillipines long range locator
Metal detector and gold detector phillipines long range locator
Published: 2017/08/04
Channel: Lex Manabat
LONG RANGE LOCATOR TFR-4 ELECTRONIC ROD-Long Distance Test Demonstration Part 1
LONG RANGE LOCATOR TFR-4 ELECTRONIC ROD-Long Distance Test Demonstration Part 1
Published: 2015/10/26
Channel: Treasure Finder
POSEIDON LONG RANGE LOCATOR TEST!!!
POSEIDON LONG RANGE LOCATOR TEST!!!
Published: 2016/09/12
Channel: KONSTANTINOS POSEIDON LRL
long range gold locator - Gold Hunter Device Plus - 2017
long range gold locator - Gold Hunter Device Plus - 2017
Published: 2017/09/17
Channel: Gold & Treasure Detectors
LRL FRANCO   target centering
LRL FRANCO target centering
Published: 2016/07/01
Channel: Panos Pappas
POSEIDON LONG RANGE LOCATOR FOR GOLD - SILVER AND MORE
POSEIDON LONG RANGE LOCATOR FOR GOLD - SILVER AND MORE
Published: 2016/06/20
Channel: KONSTANTINOS POSEIDON LRL
Long range  detector  kh-42
Long range detector kh-42
Published: 2017/09/06
Channel: Nik Nio
Long range gold finder - Gold Hunter Device
Long range gold finder - Gold Hunter Device
Published: 2016/08/10
Channel: UiG Detectors Company
Drone Treasure Detector
Drone Treasure Detector
Published: 2017/05/29
Channel: DGL Detector
Long Range Locator TFR-1 Amplification Booster Demo Part -1
Long Range Locator TFR-1 Amplification Booster Demo Part -1
Published: 2016/11/28
Channel: Treasure Finder
DRS X1 PRO: 3d underground scanner and long range locator
DRS X1 PRO: 3d underground scanner and long range locator
Published: 2016/03/14
Channel: DRS ELECTRONICS
Long range gold locator
Long range gold locator
Published: 2015/05/19
Channel: Carmel Halloun
Mfd Pro All Metal Modu Kullanım Videosu - Long range locator / All Metal Mode
Mfd Pro All Metal Modu Kullanım Videosu - Long range locator / All Metal Mode
Published: 2016/07/02
Channel: Adrenalin Dedektör
Spark" World
Spark" World's Best Long Range Treasure Locator - Gold Detector
Published: 2017/09/02
Channel: MWF DETECTORS
Silver anomaly found with the LRL500 Long range locator Part 1
Silver anomaly found with the LRL500 Long range locator Part 1
Published: 2009/03/01
Channel: lrlman1
Long range locator
Long range locator
Published: 2015/01/16
Channel: ΚΑΤΑΣΚΕΥΕΣ
The Best Between Long Range Gold Locator ( Spark ) New 2017
The Best Between Long Range Gold Locator ( Spark ) New 2017
Published: 2017/01/07
Channel: MWF DETECTORS
Homemade Long Range Locator
Homemade Long Range Locator
Published: 2016/09/22
Channel: Imex Trade Co.
Long range locator gold detection - Alan tarama gümüş tespiti eğitim videosu
Long range locator gold detection - Alan tarama gümüş tespiti eğitim videosu
Published: 2014/04/29
Channel: Adrenalin Dedektör
Gold X Finder long range gold detector
Gold X Finder long range gold detector
Published: 2017/11/07
Channel: Gold Detectors
Long Range Locator TFR-1 Rod : Understanding the "Target Discriminator" Accessory
Long Range Locator TFR-1 Rod : Understanding the "Target Discriminator" Accessory
Published: 2016/03/11
Channel: Treasure Finder
Metal Detectors Long Range // New & Popular 2017
Metal Detectors Long Range // New & Popular 2017
Published: 2017/11/01
Channel: Patio, Lawn & Garden | Video Catalog
Long Range Locator TFR-1 junk metals demonstration video.
Long Range Locator TFR-1 junk metals demonstration video.
Published: 2016/02/20
Channel: Treasure Finder
Long Range Gold Locator DLR 1
Long Range Gold Locator DLR 1
Published: 2014/10/14
Channel: Louis Consatantinou
long range locator 2015
long range locator 2015
Published: 2015/07/14
Channel: daves3020
Long Range Locator Crypton 3
Long Range Locator Crypton 3
Published: 2015/07/24
Channel: Louis Consatantinou
Gold Hunter 2017 long range locater
Gold Hunter 2017 long range locater
Published: 2017/06/25
Channel: EU GOLD DETECTORS
Long range locator TK-1
Long range locator TK-1
Published: 2016/09/18
Channel: Τάκης Καρακατσάνης
Long-range Locator Review video Episode 2
Long-range Locator Review video Episode 2
Published: 2017/06/03
Channel: Temple Raider
AKS Long Range God/Diamond 3D Detector
AKS Long Range God/Diamond 3D Detector
Published: 2015/09/16
Channel: Sampath Guruge
Long Range Locator II Crypton OBMD-2 Meddle East Distributor
Long Range Locator II Crypton OBMD-2 Meddle East Distributor
Published: 2014/05/13
Channel: Louis Constantinou
2 long range locator Uzun Menzilli
2 long range locator Uzun Menzilli
Published: 2014/07/17
Channel: Ömer Özdemir
Detector de infravermelho LONG RANGE-Teste positivo-1
Detector de infravermelho LONG RANGE-Teste positivo-1
Published: 2016/09/26
Channel: Valdeni Detectores iônicos
Metal Detecting &  Found Silver with my TFR-4 long-range Locator!!
Metal Detecting & Found Silver with my TFR-4 long-range Locator!!
Published: 2017/05/21
Channel: Temple Raider
MEGA SCAN PRO | Gold & Treasures Detectors | User Video
MEGA SCAN PRO | Gold & Treasures Detectors | User Video
Published: 2016/10/17
Channel: Mega Locators
Treasure Hunters In North Carolina Using The Electroscopes
Treasure Hunters In North Carolina Using The Electroscopes
Published: 2017/03/04
Channel: mopedking77
the real gold aks long range gold detector
the real gold aks long range gold detector
Published: 2017/10/24
Channel: AKS Detectors
Long Range Locator Crypton 3
Long Range Locator Crypton 3
Published: 2015/07/24
Channel: Louis Consatantinou
FRESH RESULT (1 SYSTEM)   LONG RANGE WATER LOCATOR
FRESH RESULT (1 SYSTEM) LONG RANGE WATER LOCATOR
Published: 2015/12/24
Channel: Ger Detect
Upgrade Versions of the Special Design (SNIPER) Long Range Gold Detector
Upgrade Versions of the Special Design (SNIPER) Long Range Gold Detector
Published: 2017/10/15
Channel: edwin notario
Long Range TFR-1 Locator Extreme Power Booster Distance Demo -Continued
Long Range TFR-1 Locator Extreme Power Booster Distance Demo -Continued
Published: 2016/12/03
Channel: Treasure Finder
Long range gold locator
Long range gold locator
Published: 2017/03/06
Channel: Masterrolim Master
Long Range TFR-1 Locator Amplification Booster Intro and Demo Part -2
Long Range TFR-1 Locator Amplification Booster Intro and Demo Part -2
Published: 2016/12/01
Channel: Treasure Finder
Gold step new gold metal detector American 2017
Gold step new gold metal detector American 2017
Published: 2017/08/20
Channel: Roy Granillo
Compass Long Range gold 24
Compass Long Range gold 24
Published: 2017/01/06
Channel: Tanya Sarafova SOFIA
Long Range Locator - Metālu lokātors
Long Range Locator - Metālu lokātors
Published: 2016/10/12
Channel: Maris Slanars
Compass Long Range Finder 52
Compass Long Range Finder 52
Published: 2016/12/29
Channel: Tanya Sarafova SOFIA
Metaldetector Golden cion pulse induktion 2 in 1 Longrange locator
Metaldetector Golden cion pulse induktion 2 in 1 Longrange locator
Published: 2013/11/19
Channel: ROKI5694
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WIKIPEDIA ARTICLE

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A long-range locator is a class of fraudulent devices purported to be a type of metal detector, supposedly able to detect a variety of substances, including gold, drugs and explosives; most are said to operate on a principle of resonance with the material being detected.

Theory of operation[edit]

Skeptics have examined the internals of many such devices and found those that have been examined to be incapable of operating as advertised, and have dismissed them as overpriced dowsing rods or similarly useless devices. Virtually all such devices claim to operate on a resonant frequency principle where the device is said to emit an electromagnetic signal, either through an antenna or a probe, that will respond to a specific substance such as gold, silver, or sometimes even paper money, and that the device will indicate the presence of such material by indicating a change in direction relative to the operator.

This theory of operation is not supported by scientific theory; the devices have not been shown to work in blind testing, and the resonance principle invoked has not been shown to work in laboratories (and is not consistently employed by LRL manufacturers). In addition, the Inverse-Square Law limits the effective possible signal strength of any putative LRL; moreover, not only does this attenuation apply to the supposed emissions from the LRL devices, but the return signals from the sought-after targets are further attenuated by the same constraints. Since most of these LRL devices are powered by low voltage, low current AA, AAA or 9v cells, the resultant power available for emissions is quite minuscule at best, and the return signal would suffer even greater attenuation. Examples exist of LRL devices having no internal power source at all, and these are advertised as being self-powered or powered by ambient static electricity; these are indistinguishable from dowsing rods.

Scientific evaluation[edit]

Many such devices contain non-functional circuitry or naively constructed approximations of radio transmitters. A few do have functional circuitry, putting out a weak signal with a function generator or a simple timer circuit, but are still largely useless in comparison with a coil-based metal detector; others have been found to contain intentionally obfuscated or completely superfluous components (from individual components such as inductors or ribbon cables up to, in some cases, pocket calculators), often indicative of intentional fraud, incompetence, or both, by the designer. Such functioning circuitry as exists in such devices usually has no obvious way (motor, solenoid, etc.) to connect to any rotating joint in the device either, meaning the devices are often entirely dependent on the ideomotor effect to function.

Media exposure and controversy[edit]

Author Tom Clancy came under fire for including the DKL Lifeguard,[1] a long-range locator purported to be useful for detecting people, in critical passages of his novel Rainbow Six. A study by Sandia National Laboratories proved the Lifeguard to be completely useless,[2] and other designs by the Lifeguard's creator Thomas Afilani have been shown to contain numerous dummy components with no clear function.

Accusing the manufacturers of fraud, the UK banned export of the GT 200, used by the government of Thailand, and the ADE 651, used by the government of Iraq, in January 2010.

See also[edit]

References[edit]

  1. ^ skepdic.com: DKL Lifeguard
  2. ^ Murray, Dale W.; Spencer, Floyd W.; Spencer, Debra D. (April 29, 1998), Double-Blind Evaluation of the DKL LifeGuard Model 2 (PDF), Sandia National Laboratories 

External links[edit]

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