Location of the Brecourt (Normandy, France) WW2 Howitzer Battery Using a Geoforensic Search Strategy

Total Page:16

File Type:pdf, Size:1020Kb

Location of the Brecourt (Normandy, France) WW2 Howitzer Battery Using a Geoforensic Search Strategy Location of the Brecourt (Normandy, France) WW2 Howitzer battery using a geoforensic search strategy Ruffell, A., & Wach, G. (2019). Location of the Brecourt (Normandy, France) WW2 Howitzer battery using a geoforensic search strategy. https://doi.org/10.1080/15740773.2018.1583480 Document Version: Peer reviewed version Queen's University Belfast - Research Portal: Link to publication record in Queen's University Belfast Research Portal Publisher rights Copyright 2019 The Authors. General rights Copyright for the publications made accessible via the Queen's University Belfast Research Portal is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. Take down policy The Research Portal is Queen's institutional repository that provides access to Queen's research output. Every effort has been made to ensure that content in the Research Portal does not infringe any person's rights, or applicable UK laws. If you discover content in the Research Portal that you believe breaches copyright or violates any law, please contact [email protected]. Download date:07. Oct. 2021 Location of the Brecourt (Normandy, France) WW2 Howitzer Battery Using a Geoforensic Search Strategy Alastair Ruffella and Grant D. Wachb aSchool of the Natural Built Environment, Queen’s University, Belfast, Northern Ireland BT7 1NN; bDePartment of Earth Sciences, Dalhousie University, 1459 Oxford Street, PO BOX 15000, Halifax NS B3H 4R2, Canada ABSTRACT The assault on D-day by Easy Company of the 101st Airborne CorPs on a German Howitzer battery at Brecourt Manor (Normandy) that was firing upon Utah Beach, is a famous action of World War 2. Understanding the firefight and disablement of the guns dePends on where the four Howitzers and crew were located. Three of the locations are unequivocal with post-WW2 accounts and the search described here in agreement. One Howitzer Position (the northernmost of the four) remains in contention, with two different Positions described. A geoforensic search strategy (desktoP study, geoPhysics, excavation) was dePloyed that shows strong evidence for the location of the debated fourth gun, together with aerial PhotograPhic and military tactical evidence for why this fourth Howitzer was moved to a second location close to D-day, resolving these debates. ARTICLE HISTORY KEYWORDS D-day; Band of Brothers; Geoforensic Search; Geophysics; Howitzer Introduction The 101st Airborne Assault on Brecourt, Normandy (a German Howitzer Battery) by Easy Company (101st Airborne CorPs, US Army) took Place on 6th June, 1944 as Part of OPeration NePtune (D-Day) and has been made famous subsequently in Publications, television series (most famously – The Band of Brothers) and comPuter games. Subsequent to WW2, the site has not been geoPhysically surveyed or excavated for archaeological context, resulting in different and sometimes conflicting accounts and maPs being Published of the location of the four 105mm leFH Light Howitzers that are key to reconstructing the action. Providing more robust information on the layout of the site will impact these accounts, and is imPortant as the assault is still used in military training. A television series ‘Dig World War 2’ by 360 Productions Provided the imPetus and access to this site, for which the authors carried out a standard (modified for the site) forensic search strategy (Harrison & Donnelly, 2008) to target limited excavation and attemPt to establish the layout of parts of the site. This work Provides some background on the Brecourt Assault, the Pre-search strategy, an account of the survey and excavation results and the most definitive (to date) location of the guns and site layout. The Brecourt Assault A very brief summary of the relevant accounts of this famous action is provided here, as there are academic and PoPular books (Ambrose, 2001, 2016; Brotherton, 2012; ComPton, 2009; Guarnere & Heffron, 2008; Landavazo, 2011; Webster, 1994; Winters, 2005); films (the best known being the second ePisode HBO’s ‘Band of Brothers’ series, based on Ambrose [2001]); websites and action games based on this event. A timeline of events Provides the clearest and most succinct form of providing background. 6th June 1944: Approximate Timeline ComPany E, (Easy ComPany) Second Battalion, 506th Parachute Infantry Regiment of the 101st Airborne (XV111 Airborne CorPs) Action as Part of Operation NePtune (D-Day) - 01.30 Parachute droPs from C-47 (Skytrain) aircraft begin in thick cloud, followed by reorganization of units. - 06.30 – 07.30 E (Easy) ComPany command taken by First Lieutenant Richard Winters at Le Grand Chemin, Normandy. - 08.30 Winters takes 12 men from E ComPany and others to reconnaissance a battery of German 105mm leFH (light Howitzers), firing upon Utah Beach. - 09.00- onwards, Winter’s comPany discover Number 6 Battery of the Wehrmacht 90th Artillery Regiment, firing light Howitzer 105mm leFH 18s canon onto United States Army disembarkment of trooPs and associated landing craft at Utah Beach. Their assault begins. Detailed and sometimes conflicting accounts of the firefight and gun disablement can be found in the sources cited above. This is not surPrising given that maPPing enemy Positions and taking timings is not a Priority in battle, but is afterwards (in order to Plan future action), from which changes to the scene may not be aPParent. No disagreement occurs in the literature that the assault began at the northern most Howitzer and proceeded in various waves to the other three thereafter, and that the action was over before midday on 6th June. Contention revolves around the exact location and orientation of this first caPtured, northern weapon, the focus of this study, along with the other three Howitzer locations. Pre-search Strategy: Desktop Study of Brecourt Manor and surrounding Area, Cherbourg Peninsula, Normandy, France The Desktop Study in Geoforensic Search Geoforensics comPrises apPlication of Earth science techniques to investigations of the Search, the Scene and the SamPle for legal (criminal, environmental, humanitarian, engineering and military) purposes (Ruffell & McKinley, 2008). Scene and Sample investigations commonly include the location of an event (maybe a crime scene), its samPling and maPPing, and the analysis of evidence (soil, sediment: see Murray, 2011). Geoforensic Search has long-been a primary part of criminal or archaeological investigations, but has increased in visibility over the Past 20 years, largely as a result of the Pioneering work of Laurance Donnelly, as a strategy for the location of buried objects, commonly victims of homicide as well as drugs, contraband, victims of accidents and disasters. In short, a search strategy comPrises Planning (pre-search desktoP studies), field dePloyment of Personnel in assessing: ‘diggability’; geophysics; geomorPhology/geology/soil/vegetation maPPing and a Post-search (‘exit strategy’) evaluation. Many of the above have been historically used in searching for buried objects (e.g. PoPP, 1893), but sometimes imPlicit and thus not described, or not conveyed in a logical manner. The Geoforensic search is well-defined (Harrison & Donnelly, 2008) with sPecific Publications on its various elements (e.g. diggability [Harrison & Donnelly, 2008]; geomorPhology [Ruffell & McKinley, 2014]; geoPhysics [Pringle et al. 2012] and soils [FitzPatrick et al. 2008]) or aPPlications (e.g. archaeology [Donnelly, 2013]), GIS (Somma et al., 2017). A general overview for those not familiar with Geoforensics or Forensic Geoscience can be found in Di Maggio et al. (2017). Geographic Location & Topography The overall location comPrises the mixed arable and grazing lands of the Cherbourg or Contentin Peninsula (Figure 1). The toPograPhy is of low relief, with 20-40m high low hills surrounded by flatlands. The former are dissected by ditches that feed some meandering rivers (that occur mainly on the latter, flatland ground, for examPle to the south of Brecourt is Riviere l’Escalgain (not shown) and to the north the Grand Cirque and la Petite Cirque Rau: Figure 2). More sPecifically, Brecourt is on a very low sloping Plateau of 20-30m height and it’s scarP running NW-SE, with some higher ground (40m) to the northwest. Most significantly for this Project, the surrounding area to Brecourt, centered on Ste-Marie-du-Mont (hereon Ste-Marie-du-Mont UPlands, or SMMU), comPrises a northerly and northeasterly facing hill, rising from roughly sea-level to the 30-40m mentioned (Figure 2). This hill extends in an arcuate fashion from la Vienville in the southeast, northwestwards along the Hartwell Road/ Siezmore Road to le Grand Hard, Passing west and then southwestwards to Boutteville, Producing a flat-toPPed spur (Figure 2) overlooking the surrounding flatlands, with Brecourt at its heart and thus an ideal location for a gun battery with which to fire on the beaches to the northeast and east. The lands around Brecourt comPrise grassland with hedges and ditches, with some enclosed vegetable Plots. Hedges and other field boundaries aPPear mature, with some having degraded or re-planted to the north of Brecourt Manor since the war. Solid Geology The SMMU toPograPhy matches the outcroPPing Middle Jurassic (Jurassique Moyen - Dogger) of the area, these limestones with subordinate shales forming a resistant uPland (Figure 3) surrounded by a veneer of Quaternary (Quanternaire Récent) alluvium that may overlay some Palaeogene/Neogene
Recommended publications
  • Study Guide for Band of Brothers – Episode 2: Day of Days
    Study Guide for Band of Brothers – Episode 2: Day of Days INTRO: Band of Brothers is a ten-part video series dramatizing the history of one company of American paratroopers in World War Two—E Company, 506th Regiment, 101st Airborne, known as “Easy Company.” Although the company’s first experience in real combat did not come until June 1944 ( D-Day), this exemplary group fought in some of the war’s most harrowing battles. Band of Brothers depicts not only the heroism of their exploits but also the extraordinary bond among men formed in the crucible of war. The second episode focuses on the Normandy invasion and Easy Company’s assignment to take out a German artillery installation. On June 6, 1944, thousands of Allied paratroopers dropped from the sky to begin one of the most audacious military campaigns of the war—and one of the most crucial. However, careful planning notwithstanding, most of the members of Easy Company miss their designated drop zones and had to begin the invasion by dealing with their extreme disorientation (heightened for many by the anti-nausea medication the soldiers were instructed to take). With Richard Winters as the company’s commanding officer, Easy Company successfully executes its first assignment in the field, destroying a German artillery installation firing on Allied infantry trying to come ashore. CURRICULUM LINKS: Band of Brothers can be used in history classes. NOTE TO EDUCATORS: Band of Brothers is appropriate as a supplement to units on World War Two, not as a substitute for material providing a more general explanation of the war’s causes, effects, and greater historical significance.
    [Show full text]
  • Users' Guide for Hand-Held and Walk-Through Metal Detectors
    U.S. Department of Justice Office of Justice Programs National Institute of Justice National Institute of Justice Users’ Guide for Hand-Held and Walk-Through Metal Detectors NIJ Guide 600–00 ABOUT THE LAW ENFORCEMENT AND CORRECTIONS STANDARDS AND TESTING PROGRAM The Law Enforcement and Corrections Standards and Testing Program is sponsored by the Office of Science and Technology of the National Institute of Justice (NIJ), U.S. Department of Justice. The program responds to the mandate of the Justice System Improvement Act of 1979, which directed NIJ to encourage research and development to improve the criminal justice system and to disseminate the results to Federal, State, and local agencies. The Law Enforcement and Corrections Standards and Testing Program is an applied research effort that determines the technological needs of justice system agencies, sets minimum performance standards for specific devices, tests commercially available equipment against those standards, and disseminates the standards and the test results to criminal justice agencies nationally and internationally. The program operates through: The Law Enforcement and Corrections Technology Advisory Council (LECTAC), consisting of nationally recognized criminal justice practitioners from Federal, State, and local agencies, which assesses technological needs and sets priorities for research programs and items to be evaluated and tested. The Office of Law Enforcement Standards (OLES) at the National Institute of Standards and Technology, which develops voluntary national performance standards for compliance testing to ensure that individual items of equipment are suitable for use by criminal justice agencies. The standards are based upon laboratory testing and evaluation of representative samples of each item of equipment to determine the key attributes, develop test methods, and establish minimum performance requirements for each essential attribute.
    [Show full text]
  • Study Guide for Band of Brothers – Episode 6: Bastogne
    Study Guide for Band of Brothers – Episode 6: Bastogne INTRO: Band of Brothers is a ten-part video series dramatizing the history of one company of American paratroopers in World War Two—E Company, 506th Regiment, 101st Airborne, known as “Easy Company.” Although the company’s first experience in real combat did not come until June 1944 ( D-Day), this exemplary group fought in some of the war’s most harrowing battles. Band of Brothers depicts not only the heroism of their exploits but also the extraordinary bond among men formed in the crucible of war. In the sixth episode, Easy Company is in the Ardennes Forest, outside of Bastogne, Belgium, trying to defend the Allied line against a German counterattack in December 1944. This contest, popularly known as the Battle of the Bulge, sees the Allies face a bitter winter with inadequate supplies of ammunition, food, and medical goods for the long, entrenched battle. The Axis counterattack was ultimately rebuffed, but not without the Allies suffering some 77,000 casualties. This episode is particularly effective in depicting the harsh physical conditions of the war (and might be compared to the German’s struggle to take Stalingrad, in which the losses were much higher). Fighting frostbite and hunger in the foxholes, Easy Company’s trials demonstrate the experience of isolation and boredom of battle. The importance of medical treatment and supplies is also a prominent theme of this episode. CURRICULUM LINKS: Band of Brothers can be used in history classes. NOTE TO EDUCATORS: Band of Brothers is appropriate as a supplement to units on World War Two, not as a substitute for material providing a more general explanation of the war’s causes, effects, and greater historical significance.
    [Show full text]
  • Study Guide for Band of Brothers – Episode 9: Why We Fight
    Study Guide for Band of Brothers – Episode 9: Why We Fight INTRO: Band of Brothers is a ten-part video series dramatizing the history of one company of American paratroopers in World War Two—E Company, 506th Regiment, 101st Airborne, known as “Easy Company.” Although the company’s first experience in real combat did not come until June 1944 ( D-Day), this exemplary group fought in some of the war’s most harrowing battles. Band of Brothers depicts not only the heroism of their exploits but also the extraordinary bond among men formed in the crucible of war. In the ninth episode, Easy Company finally enters Germany in April 1945, finding very little resistance as they proceed. There they are impressed by the industriousness of the defeated locals and gain respect for their humanity. But the G.I.s are then confronted with the horror of an abandoned Nazi concentration camp in the woods, which the locals claim not to have known anything about. Here the story of Easy Company is connected with the broader narrative of the war—the ideology of the Third Reich and Hitler’s plan to exterminate the Jews. CURRICULUM LINKS: Band of Brothers can be used in history classes. NOTE TO EDUCATORS: Band of Brothers is appropriate as a supplement to units on World War Two, not as a substitute for material providing a more general explanation of the war’s causes, effects, and greater historical significance. As with war itself, it contains graphic violence and language; it is not for the squeamish. Mature senior high school students, however, will find in it a powerful evocation of the challenges of war and the experience of U.S.
    [Show full text]
  • Study Guide for Band of Brothers – Episode 7: the Breaking Point
    Study Guide for Band of Brothers – Episode 7: The Breaking Point INTRO: Band of Brothers is a ten-part video series dramatizing the history of one company of American paratroopers in World War Two—E Company, 506th Regiment, 101st Airborne, known as “Easy Company.” Although the company’s first experience in real combat did not come until June 1944 ( D-Day), this exemplary group fought in some of the war’s most harrowing battles. Band of Brothers depicts not only the heroism of their exploits but also the extraordinary bond among men formed in the crucible of war. As the title of this episode suggests, the seventh episode sees Easy Company pushed to “the breaking point” after more and more unrelenting combat. After successfully thwarting the German counterattack in the Ardennes, Easy Company is sent to take the Belgian town of Foy. The company suffers, however, from more casualties, sinking morale, and lapses in leadership. This episode, more than any other perhaps, depicts the great emotional and psychological strain that soldiers endured in battle. CURRICULUM LINKS: Band of Brothers can be used in history classes. NOTE TO EDUCATORS: Band of Brothers is appropriate as a supplement to units on World War Two, not as a substitute for material providing a more general explanation of the war’s causes, effects, and greater historical significance. As with war itself, it contains graphic violence and language; it is not for the squeamish. Mature senior high school students, however, will find in it a powerful evocation of the challenges of war and the experience of U.S.
    [Show full text]
  • Plagiat Merupakan Tindakan Tidak Terpuji Plagiat
    PLAGIATPLAGIAT MERUPAKAN MERUPAKAN TINDAKAN TINDAKAN TIDAK TIDAK TERPUJI TERPUJI THE MEANINGS OF RICHARD DICK WINTERS’ ACTION DURING HIS MILITARY SERVICE AS SEEN IN STEPHEN E. AMBROSE’S BAND OF BROTHERS A SARJANA PENDIDIKAN THESIS Presented as Partial Fulfillment of the Requirements to Obtain the Sarjana Pendidikan Degree in English Language Education By Emanuel Gevi Resanto Student Number : 101214072 ENGLISH LANGUAGE EDUCATION STUDY PROGRAM DEPARTMENT OF LANGUAGE AND ARTS EDUCATION FACULTY OF TEACHERS TRAINING AND EDUCATION SANATA DHARMA UNIVERSITY YOGYAKARTA 2015 PLAGIATPLAGIAT MERUPAKAN MERUPAKAN TINDAKAN TINDAKAN TIDAK TIDAK TERPUJI TERPUJI THE MEANINGS OF RICHARD DICK WINTERS’ ACTION DURING HIS MILITARY SERVICE AS SEEN IN STEPHEN E. AMBROSE’S BAND OF BROTHERS A SARJANA PENDIDIKAN THESIS Presented as Partial Fulfillment of the Requirements to Obtain the Sarjana Pendidikan Degree in English Language Education By Emanuel Gevi Resanto Student Number : 101214072 ENGLISH LANGUAGE EDUCATION STUDY PROGRAM DEPARTMENT OF LANGUAGE AND ARTS EDUCATION FACULTY OF TEACHERS TRAINING AND EDUCATION SANATA DHARMA UNIVERSITY YOGYAKARTA 2015 i PLAGIATPLAGIAT MERUPAKAN MERUPAKAN TINDAKAN TINDAKAN TIDAK TIDAK TERPUJI TERPUJI ‐|. :. |,i l ‐1‐ 1職疇142015 PLAGIATPLAGIAT MERUPAKAN MERUPAKAN TINDAKAN TINDAKAN TIDAK TIDAK TERPUJI TERPUJI .\ ,\urianu Pendidikan Thesis on THE}lEANINCS OF RICHARD DICK WiNTERS'ACT10N DURING HIS卜 IILITARY SERVICE‐ AS SEEN IN STEPHE‐ N Eo AMIBRO‐ SE'S a4■D θF3Rθr壼琶Rs Bv Ellla爵 じel Gevi Rcsanlo i101214072 (ihairperson Secretary L,{en:ber
    [Show full text]
  • Use of Metal Detectors Tahoe National Forest
    Use of Metal Detectors Tahoe National Forest Metal Detector Use Definitions Metal detectors are used by both hobbyists and professionals to look for hidden coins, pipes, and other metallic objects. Due to the need to protect Treasure Trove archaeological sites, we’ve prepared this guide for the Treasure trove includes money, gems, precious metal use of metal detectors on Tahoe National Forest lands. coins, plate, or bullion that has been deliberately hidden If you have questions, contact information is listed on the with the intention of recovering it later. The search for back of this document. buried treasure can involve methods that are damaging to natural and cultural resources, thus a special-use permit from the Forest Service is required. Each permit Help Protect History request is evaluated before such permits are granted. Archaeological sites throughout California provide important insights and knowledge about the past that Archaeological Sites can be gained nowhere else. They are the repositories The use of metal detectors to locate objects of historical for people and cultures not represented in history books. or archaeological value is permitted subject to the Removing artifacts from sites destroys the context of the provisions of the Archaeological Resource Protection Act site, much like tearing pages from a book. Professional of 1979 and the Secretary of Agriculture’s Regulations. archaeologists depend on finding artifacts in their This activity requires a special-use permit. Permits are original location and association to other objects, so they only issued for legitimate research conducted by can accurately understand and interpret the story of that qualified professional archaeologists.
    [Show full text]
  • How to Find GOLD
    FIND GOLD TO HOW “Whether you hunt for gold How to Find in the field and stream or in old mines, mine dumps or dredge piles, this book will guide you on your quest to GOLD recover more gold.” Metal Detecting and Panning GARRETT/L Learn effective use of a metal detector and gold pan for: AGAL • Dry panning • Wet panning • Nugget hunting • Field searching Ram Publishing Company A subsidiary of Garrett Metal Detectors ISBN-13: 978-0-915920-98-3 ISBN-10: 0-915920-98-0 $3.95 R 1881 West State Street 50395 Garland, TX 75042 AM PN 1509400 ISBN 0-915920-98-0 9 780915 920983 Charles Garrett / Roy Lagal How to Find GOLD Metal Detecting and Panning Charles Garrett/Roy Lagal HOW TO FIND GOLD © Charles L. Garrett/Roy Lagal 2007 Manufactured in the United States of America. All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage or retrieval system, except in the case of brief quotations embodied in critical articles and reviews. For information, address all inquiries to Editor, Ram Publishing Company. First printing: July 2007 2 www.garrett.com CONTENTS About the Author ...................................................5 Introduction ............................................................9 Basic Tools.............................................................11 Additional Tools ...............................................12 Using a Pan to Find Gold ....................................13 Wet Panning .....................................................14
    [Show full text]
  • Volume 1 – FOC 2018
    1 2 Table of Contents Surveying the Field II The Materiality of Roman Battle: Applying Conflict Archaeology Methods to the Roman World Joanne E. Ball…………………………………………………………………4 Methods in Conflict Archaeology: The Netherlands During the Napoleonic Era (1794-1815). Using Detector Finds to Shed Light on An Under-researched Period. Vincent van der Veen………………………………………………………..19 Musket Balls from the Boston Massacre: Are they Authentic? Dan Sivilich and Joel Bohy………………………………………………….31 Revisiting the US military ‘Levels of War’ Model as a Conceptual Tool in Conflict Archaeology: A Case Study of WW2 Landscapes in Normandy, France. David G Passmore, David Capps-Tunwell, Stephan Harrison………………44 A Decade of Community-Based Projects in the Pacific on WWII Conflict Sites Jennifer F. McKinnon and Toni L. Carrell…………………………………..61 Avocational Detectorists and Battlefield Research: Potential Data Biases Christopher T. Espenshade…………………………………………………..68 Maritime Conflict Archaeology: Battle of the Java Sea: Past and Present Conflicts Robert de Hoop and Martijn Manders……………………………………….75 A Battleship in the Wilderness: The Story of the Chippewa and Lake Ontario’s Forgotten War of 1812 Naval Shipyard* Timothy J. Abel……………………………………………………………...88 3 Surveying the Field II The Materiality of Roman Battle: Applying Conflict Archaeology Methodology to the Roman World. Joanne E. Ball Archaeology, Classics & Egyptology, University of Liverpool, Liverpool L69 7WZ [email protected] ABSTRACT Over the last three decades a growing number of Roman battle sites have been identified across western Europe. Archaeological study of these sites has adapted methodologies developed from the Little Bighorn project onward to the material characteristics of Roman battle, and continue to be refined. Difficulties have been encountered in locating sites within a landscape, due to inadequacies in the historical record.
    [Show full text]
  • Ordinary Heroes: Depictions of Masculinity in World War II Film a Thesis Submitted to the Miami University Honors Program in Pa
    Ordinary Heroes: Depictions of Masculinity in World War II Film A thesis submitted to the Miami University Honors Program in partial fulfillment of the requirements for University Honors with Distinction by Robert M. Dunlap May 2007 Oxford, Ohio Abstract Much work has been done investigating the historical accuracy of World War II film, but no work has been done using these films to explore social values. From a mixed film studies and historical perspective, this essay investigates movie images of American soldiers in the European Theater of Operations to analyze changing perceptions of masculinity. An examination of ten films chronologically shows a distinct change from the post-war period to the present in the depiction of American soldiers. Masculinity undergoes a marked change from the film Battleground (1949) to Band of Brothers (2001). These changes coincide with monumental shifts in American culture. Events such as the loss of the Vietnam War dramatically changed perceptions of the Second World War and the men who fought during that time period. The United States had to deal with a loss of masculinity that came with their defeat in Vietnam and that shift is reflected in these films. The soldiers depicted become more skeptical of their leadership and become more uncertain of themselves while simultaneously appearing more emotional. Over time, realistic images became acceptable and, in fact, celebrated as truthful while no less masculine. In more recent years, there is a return to the heroism of the World War II generation, with an added emotionality and dimensionality. Films reveal not only the popular opinions of the men who fought and reflect on the validity of the war, but also show contemporary views of masculinity and warfare.
    [Show full text]
  • NATIONAL ACADEMIES of SCIENCES and ENGINEERING NATIONAL RESEARCH COUNCIL of the UNITED STATES of AMERICA
    NATIONAL ACADEMIES OF SCIENCES AND ENGINEERING NATIONAL RESEARCH COUNCIL of the UNITED STATES OF AMERICA UNITED STATES NATIONAL COMMITTEE International Union of Radio Science National Radio Science Meeting 4-8 January 2000 Sponsored by USNC/URSI University of Colorado Boulder, Colorado U.S.A. United States National Committee INTERNATIONAL UNION OF RADIO SCIENCE PROGRAM AND ABSTRACTS National Radio Science Meeting 4-8 January 2000 Sponsored by USNC/URSI NOTE: Programs and Abstracts of the USNC/URSI Meetings are available from: USNC/URSI National Academy of Sciences 2101 Constitution Avenue, N.W. Washington, DC 20418 at $5 for 1983-1999 meetings. The full papers are not published in any collected format; requests for them should be addressed to the authors who may have them published on their own initiative. Please note that these meetings are national. They are not organized by the International Union, nor are the programs available from the International Secretariat. ii MEMBERSHIP United States National Committee INTERNATIONAL UNION OF RADIO SCIENCE Chair: Gary Brown* Secretary & Chair-Elect: Umran S. !nan* Immediate Past Chair: Susan K. Avery* Members Representing Societies, Groups, and Institutes: American Astronomical Society Thomas G. Phillips American Geophysical Union Donald T. Farley American Meteorological Society vacant IEEE Antennas and Propagation Society Linda P.B. Katehi IEEE Geosciences and Remote Sensing Society Roger Lang IEEE Microwave Theory and Techniques Society Arthur A. Oliner Members-at-Large: Amalia Barrios J. Richard Fisher Melinda Picket-May Ronald Pogorzelski W. Ross Stone Richard Ziolkowski Chairs of the USNC/URSI Commissions: Commission A Moto Kanda Commission B Piergiorgio L. E. Uslenghi Commission C Alfred 0.
    [Show full text]
  • Garrett at Gold Metal Detector Is the Most ALL METAL MODE
    AT GOLD AT Owner’s Manual Deep-seeking True All Metal Mode Performance for All Terrain Prospecting! 1881 W. State Street Garland, Texas 75042 Tel: 1.972.494.6151 Email: [email protected] Fax: 1.972.494.1881 © 2011 Garrett Electronics, Inc. PN 1533500.A.0811 Owner’s Manual THANK YOU FOR CHOOSING GARRETT METAL DETECTORS! Congratulations on the purchase of your new Garrett AT Gold™ metal detector. It was designed to find tiny gold nuggets in the most challenging prospecting environments, including shallow fresh water hunting. The AT Gold operates at a high frequency optimized for gold prospecting and includes a True All Metal Mode. The ALL MEtaL Mode is preferred for prospecting because it provides the greatest possible depth and sensitivity. It also provides a continuous audio response to allow the operator to hear the subtle detection signals produced by faint targets. The AT Gold is a Motion All Metal detector, meaning that slight motion of the searchcoil is required to maintain detection, although static detection of targets can be achieved while in Pinpoint mode. The AT Gold includes manual and automatic Ground Balance—plus an exclusive Ground Balance Window™ feature—to optimize the detector's performance in highly mineralized ground, where gold is most often found. This detector is also waterproof to a maximum depth of 10 feet (3 meters) for searching in freshwater lakes and streams. In addition to its True All Metal Mode, the AT Gold includes two Discrimination Modes, making it a versatile coin and relic hunting machine. When selecting either the DISC 1 or DISC 2 mode, the operator gains more Tone ID information from targets in addition to the ability to discriminate unwanted trash targets (e.g.
    [Show full text]