Conference Session

Innovative and Nontraditional Curriculum in IT/IET

Collection

2009 Annual Conference & Exposition

Authors

James Higley, Purdue University, Calumet; Gregory Neff, Purdue University, Calumet; Akram Hossain, Purdue University, Calumet; Masoud Fathizadeh, Purdue University, Calumet; Mohammad Zahraee, Purdue University, Calumet; Shoji Nakayama, Purdue University, Calumet

Tagged Divisions

Engineering Technology

AC 2009-14: A PACKAGING FOCUSED MECHATRONICS ENGINEERINGTECHNOLOGY PROGRAMJames Higley, Purdue University, CalumetGregory Neff, Purdue University, CalumetAkram Hossain, Purdue University, CalumetMasoud Fathizadeh, Purdue University, CalumetMohammad Zahraee, Purdue University, CalumetShoji Nakayama, Purdue University, Calumet Page 14.82.1© American Society for Engineering Education, 2009 A Packaging Focused Mechatronics Engineering Technology ProgramAbstractThe consumer packaged goods industry consisting of food, beverage, and consumer productsaccounted for more than $2.1 trillion of the United States economy in 2004. The

Conference Session

Professional Development/Scholarship & Service Learning

Collection

2006 Annual Conference & Exposition

Authors

Thomas Hall, Northwestern State University; Steve Schneiderman, Murray State University

Tagged Divisions

Engineering Technology

2006-79: PROFESSIONAL DEVELOPMENT GUIDELINES FOR ENGINEERINGTECHNOLOGY FACULTYSteve Schneiderman, Murray State UniversityThomas Hall, Northwestern State University Page 11.1030.1© American Society for Engineering Education, 2006 Actionable Professional Development Guidelines for Engineering Technology Faculty“If you hold a theory strongly and confidently, then your search for evidence will bedominated by events that confirm your theory.”1 Consider how a person commences eachautomobile driving experience. Some enter the car then affix the seat belt then activatethe ignition; a logical sequence. However, most drivers are right handed; the ignition ison

Conference Session

Multimedia and Distance Learning in ET

Collection

2006 Annual Conference & Exposition

Authors

Yongjin Kwon, Drexel University; William Brownlowe, Montgomery County Community College; Vladimir Genis, Drexel University

Tagged Divisions

Engineering Technology

2006-96: VIDEOCONFERENCE TEACHING FOR APPLIED ENGINEERINGTECHNOLOGY STUDENTSVladimir Genis, Drexel University Dr. Vladimir Genis, Associate Professor in the Goodwin College, Drexel University, taught and developed graduate and undergraduate courses in physics, electronics, biomedical engineering, and acoustics. His research interests include ultrasound wave propagation and scattering, ultrasound imaging, electronic instrumentation, piezoelectric transducers, and engineering education. He serves as a member of the Emerging Technologies and Workforce Development Advisory Committee.William Brownlowe, Montgomery County Community College William Brownlowe, Associate Professor of

Conference Session

Non-Technical Skills in ET

Collection

2006 Annual Conference & Exposition

Authors

Jay Bhatt, Drexel University; Vladimir Genis, Drexel University; Joshua Roberts, Drexel University

Tagged Divisions

Engineering Technology

, electronics, biomedical engineering, and acoustics. His research interests include ultrasound wave propagation and scattering, ultrasound imaging, electronic instrumentation, piezoelectric transducers, and engineering education. He serves as a member of the Emerging Technologies and Workforce Development Advisory Committee.Joshua Roberts, Drexel University Joshua C. Roberts is a Masters Degree candidate in Library and Information Science at Drexel University. He is also the Information Services Technician for Science and Engineering at W.W. Hagerty Library. Page 11.894.1© American Society for

Conference Session

Assessment & TC2K Methods

Collection

2006 Annual Conference & Exposition

Authors

Nirmal Das, Georgia Southern University

Tagged Divisions

Engineering Technology

2006-1165: ASSESSMENT AND EVALUATION OF ENGINEERINGTECHNOLOGY PROGRAMSNirmal Das, Georgia Southern University Nirmal K. Das is an associate professor of Civil Engineering Technology at Georgia Southern University. He received a Bachelor of Civil Engineering degree from Jadavpur University, India, and M.S. and Ph.D. degrees in Civil Engineering (structures) from Texas Tech University. His areas of interest include structural analysis, structural reliability and wind engineering. Dr. Das is a registered professional engineer in Ohio and Georgia. Page 11.248.1© American Society for Engineering

Conference Session

Successful Grant Proposals

Collection

2006 Annual Conference & Exposition

Authors

Stephen Kuyath, University of North Carolina-Charlotte; Deborah Sharer, University of North Carolina-Charlotte

Tagged Divisions

Engineering Technology

2006-530: SUMMER CAMPS IN ENGINEERING TECHNOLOGY: LESSONSLEARNEDStephen Kuyath, University of North Carolina-Charlotte Stephen Kuyath is an Assistant Professor of Engineering Technology at the University of North Carolina at Charlotte. He has taught engineering technology courses at the college level for over 22 years. He has a strong interest in and dedication to improving both traditional and distance engineering education and to encouraging those students typically underrepresented in STEM fields to consider engineering technology as a career.Deborah Sharer, University of North Carolina-Charlotte Deborah Sharer is an Assistant Professor in the Engineering Technology Department at UNC

Conference Session

Electrical ET Curriculum

Collection

2006 Annual Conference & Exposition

Authors

Alfred Ducharme, University of Central Florida

Tagged Divisions

Engineering Technology

2006-674: DEVELOPMENT OF AN ELECTRICAL ENGINEERINGTECHNOLOGY PHOTONICS TRACKAlfred Ducharme, University of Central Florida Dr. Alfred D. Ducharme is an Assistant Professor of Engineering Technology and the College of Optics and Photonics at the University of Central Florida. He is currently the Program Coordinator for the BSEET – Photonics program instituted in 2003. His research interests include solid-state lighting, imaging system testing, and laser speckle. Dr. Ducharme earned his B.S. in electrical engineering from the University of Massachusetts, Lowell and a Ph.D. in electrical engineering from the University of Central Florida (CREOL). Dr. Ducharme was awarded the Rudolf

Conference Session

EET Papers 2

Collection

2017 ASEE Annual Conference & Exposition

Authors

James C. Sanders, Troy University; Govind Menon, Troy University; Wei Zhan, Texas A&M University

Tagged Divisions

Engineering Technology

Paper ID #18738Development of A New Electrical Engineering Technology ProgramDr. James C. Sanders, Troy University Dr. James Sanders earned his Ph.D. in physics from the University of Texas at Austin. He studied high-field laser-plasma interactions and stimulated Raman scattering for the creation of high-powered two-color laser systems under the guidance of Prof. Michael C. Downer. He is currently an Assistant Professor of Physics at Troy University. His research interests include polarized microscopy techniques, Raman spectroscopy, and physics education.Dr. Govind Menon, Troy University Dr. Govind Menon, Chair and

Conference Session

ETD Green Energy/Sustainability

Collection

2017 ASEE Annual Conference & Exposition

Authors

Vladimir Gurau P.E., Kent State University, Tuscarawas Campus

Tagged Divisions

Engineering Technology

Paper ID #17802Green and Alternative Energy Program in Engineering TechnologyDr. Vladimir Gurau P.E., Kent State University, Tuscarawas Campus Dr. Gurau is an Associate Professor of Engineering Technology at Kent State University. Previously he worked for seven years as a Senior Research Associate in the Chemical Engineering Department at Case Western Reserve University where he served as Principal Investigator on several research programs funded by the State of Ohio’s Third Frontier Fuel Cells Program, by the U.S. Department of Energy or in collaboration with General Motors. In this quality he performed research on

Conference Session

ET Pedagogy II

Collection

2020 ASEE Virtual Annual Conference Content Access

Authors

Barbara L. Christe, State University of New York

Tagged Topics

Diversity

Tagged Divisions

Engineering Technology

Paper ID #28265An Ethics Case Study for Engineering Technology StudentsDr. Barbara L Christe, State University of New York, Farmingdale Barbara Christe is a professor and the Dean of the School of Engineering Technology at Farmingdale State College, recently arriving on Long Island after 20 years at Purdue University in Indianapolis, Indiana. As a clinical engineer with degrees in biomedical engineering, she has authored several books exploring the branch of engineering technology that supports the safe and effective use of medical equipment in the clinical setting. In addition, Dr Christe’s research has explored the

Conference Session

ET Pedagogy I

Collection

2018 ASEE Annual Conference & Exposition

Authors

Christopher David LeBlanc, University of New Hampshire; Donald J. Plante, University of New Hampshire

Tagged Divisions

Engineering Technology

Paper ID #23201An Engineering Technology Course in Additive ManufacturingProf. Christopher David LeBlanc, University of New Hampshire Christopher D. LeBlanc is currently the Program Coordinator and Assistant Professor for the Engineering Technology program at the University of New Hampshire Manchester campus. Prior to his faculty ap- pointment he spent 16 years at International Business Machines (IBM) as an Analog Mixed Signal design engineer.Dr. Donald J. Plante, University of New Hampshire Donald J. Plante is a lecturer of Mathematics at the University of New Hampshire. His main area of research is in fractal

Conference Session

ET Projects

Collection

2018 ASEE Annual Conference & Exposition

Authors

Rachel Mosier P.E., Oklahoma State University; William E. Genereux, Kansas State University; Katie Rieger, Oklahoma State University

Tagged Divisions

Engineering Technology

Paper ID #21261Student-made Video Projects in Engineering Technology CoursesDr. Rachel Mosier P.E., Oklahoma State University Dr. Rachel Mosier is an Assistant Professor at Oklahoma State University. Her research interest in- cludes sustainable infrastructure construction, engineering technology education, and technology in the classroom.Dr. William E. Genereux, Kansas State University William Genereux is a Professor of Computer & Digital Media Technology at Kansas State University Polytechnic. His research interests are in media literacy and the educational use of digital media technol- ogy. He has been working

Conference Session

ETAC/ABET-Related Issues

Collection

2016 ASEE Annual Conference & Exposition

Authors

Mohammed Abdallah, SUNY Polytechnic Institute; Daniel K. Jones P.E., SUNY Polytechnic Institute

Tagged Divisions

Engineering Technology

Paper ID #15051Successful Assessment of the Computer Engineering Technology ProgramDr. Mohammed Abdallah, SUNY Polytechnic InstituteDr. Daniel K. Jones P.E., SUNY Polytechnic Institute Dr. Jones is Associate Professor of Mechanical Engineering Technology and Chair of the Engineering Technology Department at SUNYIT in Utica, NY. He coordinates the ETAC/ABET accrediations pro- cesses. His technical interests include machine design, mechancial measurements, vibrations, instrumen- tation, and assistive technology for people with physical disabilities. c American Society for Engineering Education, 2016

Conference Session

Issues in Engineering Technology Education I

Collection

2016 ASEE Annual Conference & Exposition

Authors

Anne M. Lucietto, Purdue University; Eddy Efendy, Purdue University

Tagged Divisions

Engineering Technology

Paper ID #14560Systematic Review of Engineering Technology Education LiteratureDr. Anne M. Lucietto, Purdue University Dr. Lucietto has focused her research in engineering technology education and the understanding of engineering technology students. She teaches in an active learning style which engages and develops practical skills in the students. Currently she is exploring engineering technology education research and the performance of engineering technology students in the classroom and using that knowledge to engage them in their studies.Mr. Eddy Efendy, Purdue University Eddy Efendy currently teaches Mechanics

Conference Session

Curriculum and New Course Development in ET

Collection

2016 ASEE Annual Conference & Exposition

Authors

Ali Ahmad, Northwestern State University

Tagged Divisions

Engineering Technology

Paper ID #15416Technical Project Management Course for Engineering Technology StudentsDr. Ali Ahmad, Northwestern State University Ali Ahmad is the Head of the Engineering Technology Department at Northwestern State University of Louisiana. He received a B.Sc. degree in Industrial Engineering from the University of Jordan (Amman, Jordan; with Highest Distinction) and a M.Sc. and Ph.D. in Industrial Engineering from the University of Central Florida (Orlando, Fl, USA). He has diverse expertise in human-computer interaction, quality engineering, and simulating human-machine systems. He previously worked on projects related to

Conference Session

Student Recruitment and Retention in ET Programs

Collection

2015 ASEE Annual Conference & Exposition

Authors

Ralph Sprang, Pennsylvania State University, Erie; Stephen A. Strom, Pennsylvania State University, Erie

Tagged Divisions

Engineering Technology

Paper ID #14190Improving Freshman Retention in an Engineering Technology ProgramDr. Ralph Sprang, Pennsylvania State University, Erie Dr. Ralph Sprang teaches Electrical and Computer Engineering Technology at Penn State Erie, the Behrend College. He earned the PhD in Electrical Engineering from the University of Pittsburgh, the MSEE from the Johns Hopkins University, and the BSEE from the Ohio State University.Mr. Stephen A. Strom, Pennsylvania State University, Erie Stephen Strom is a lecturer in the Electrical and Computer Engineering Technology department of Penn State Behrend, and holds a B.S. in electrical engineering

Conference Session

ET Pedagogy I

Collection

2018 ASEE Annual Conference & Exposition

Authors

Sanjeevi Chitikeshi, Old Dominion University; Jake Hildebrant, Murray State University; Otilia Popescu, Old Dominion University; Orlando M. Ayala, Old Dominion University; Vukica M. Jovanovic, Old Dominion University

Tagged Divisions

Engineering Technology

Paper ID #21620Integrating Statistical Methods in Engineering Technology CoursesDr. Sanjeevi Chitikeshi, Old Dominion University Dr. Sanjeevi Chitikeshi is an Assistant Professor in Electrical Engineering Technology program at Old Dominion University, Norfolk, VA. Prior to current position, he worked at Murray State University, Mur- ray, KY and also as a control engineer in industry in California. He earned both his Masters and Ph.D in Electrical and Computer Engineering from Sothern Illinois University, Carbondale, IL, in 2004 and 2007 respectively. His research interests are in Mechatronics systems, Big Data Analysis

Conference Session

ET Pedagogy II

Collection

2018 ASEE Annual Conference & Exposition

Authors

Mihaela Radu, State University of New York, Farmingdale

Tagged Divisions

Engineering Technology

Paper ID #22087Undergraduate Research-based Learning for Engineering Technology Stu-dentsDr. Mihaela Radu , State University of New York, Farmingdale Dr. Mihaela Radu received a Ph.D. in Electrical Engineering from the Technical University of Cluj- Napoca in 2000 and the M. Eng. degree in Electronics and Telecommunications Engineering from the Polytechnic Institute of Cluj-Napoca, Romania. She is currently an Associate Professor in the Electrical and Computer Engineering Technology, Farmingdale State College, teaching in the areas of Digital and Electrical Circuits, Design of Fault Tolerant Systems and Testing of Digital

Conference Session

ET Curriculum and Programs I

Collection

2020 ASEE Virtual Annual Conference Content Access

Authors

Jikai Du, SUNY College at Buffalo

Tagged Divisions

Engineering Technology

Paper ID #29262Master Educator Program in Engineering Technology EducationDr. Jikai Du, SUNY College at Buffalo Dr. Jikai Du is an associate professor at the Engineering Technology Department at the State University of New York College at Buffalo. His professional expertise includes undergraduate research experience, theoretical simulation and analysis of acoustic waves, ultrasound phased array technique simulations and applications, and various microscopy techniques. Dr. Du earned his Ph.D. in Engineering Science and Mechanics at the Pennsylvania State University. c American Society for

Conference Session

New Directions for ET

Collection

2020 ASEE Virtual Annual Conference Content Access

Authors

Anne M. Lucietto, Purdue University; Shelly Tan, Purdue University; Liza Ann Russell, Purdue University; Mary E. Johnson Ph.D., Purdue University

Tagged Topics

Diversity

Tagged Divisions

Engineering Technology

Paper ID #29770Public Perception of Engineering Technology: A Literature ReviewDr. Anne M Lucietto, Purdue University - Purdue Polytechnic Institute Dr. Lucietto has focused her research in engineering technology education and the understanding of engineering technology students. She teaches in an active learning style which engages and develops practical skills in the students. Currently she is exploring the performance and attributes of engineering technology students and using that knowledge to engage them in their studies.Ms. Shelly Tan, Purdue University Shelly Tan is an undergraduate researcher working with Dr

Conference Session

Diversity and K-12 Issues

Collection

2008 Annual Conference & Exposition

Authors

Joseph Fuehne, Purdue University-Columbus

Tagged Divisions

Engineering Technology

AC 2008-488: EVOLUTION OF AN ENGINEERING TECHNOLOGY OUTREACHPROGRAMJoseph Fuehne, Purdue University-Columbus Joe Fuehne received a BS degree in Aeronautical/Astronautical Engineering from the University of Illinois, and MS and PhD degrees in Mechanical Engineering from Texas A&M University. Dr. Fuehne is also a licensed professional engineer in the states of Texas and Indiana. Prior to his position with the Purdue University College of Technology in Columbus, Indiana, Dr. Fuehne spent 14 years working in the aerospace, oil and automotive industries. Page 13.584.1© American Society for

Conference Session

Graduate Education in Engineering Technology

Collection

2008 Annual Conference & Exposition

Authors

Bimal Nepal, Indiana University Purdue University, Fort Wayne (Eng); Jihad Albayyari, Indiana-Purdue University

Tagged Divisions

Engineering Technology

AC 2008-704: AN ADVANCED QUALITY ENGINEERING COURSE FORTECHNOLOGYBimal Nepal, Indiana University Purdue University, Fort Wayne (Eng)jihad albayyari, Indiana-Purdue University Page 13.170.1© American Society for Engineering Education, 2008 An Advanced Quality Engineering Course for Technology Graduate CurriculumIntroductionDue to fierce competition and globalized marketplace, companies are forced to operate on theirlowest possible profit margin. In this context, it is argued that quality and variety are the criticalorder winning factors for any product types. However, introducing a new variety also introduceslarge variability

Conference Session

Diversity and K-12 Issues

Collection

2008 Annual Conference & Exposition

Authors

Asad Yousuf, Savannah State University; Mohamad Mustafa, Savannah State University; Hope Cranford, Savannah State University

Tagged Divisions

Engineering Technology

AC 2008-77: UPWARD-BOUND/JUNIOR ENGINEERING TECHNOLOGYSUMMER PROGRAMAsad Yousuf, Savannah State UniversityMohamad Mustafa, Savannah State UniversityHope Cranford, Savannah State University Page 13.1319.1© American Society for Engineering Education, 2008 Upward-Bound/Junior Engineering Technology Summer ProgramAbstractThis paper will discuss the various factors that contribute to the success of minority students inScience, Technology, Engineering and Mathematics (STEM) disciplines by exploring paradigmsthat promote success for the underrepresented group of students. Savannah State University(SSU) offered and administered a six-week Junior

Conference Session

Non-Technical Skills Build Success in ET

Collection

2008 Annual Conference & Exposition

Authors

Robert Edwards, Pennsylvania State University-Erie; Gerald Recktenwald, Portland State University

Tagged Divisions

Engineering Technology

AC 2008-293: GUIDED INQUIRY IN AN ENGINEERING TECHNOLOGYCLASSROOMRobert Edwards, Pennsylvania State University-Erie Robert Edwards is currently a Lecturer in Engineering at The Penn State Erie, The Behrend College where he teaches Statics, Dynamics, and Fluid and Thermal Science courses. He earned a BS degree in Mechanical Engineering from Rochester Institute of Technology and an MS degree in Mechanical Engineering from Gannon University.Gerald Recktenwald, Portland State University Gerald Recktenwald is an Associate Professor in the Mechanical and Materials Engineering Department at Portland State University. He is a member of ASEE, ASME, IEEE and SIAM. His research interests are in fluid

Conference Session

TC2K Methods and Models

Collection

2007 Annual Conference & Exposition

Authors

Gregory Watkins, University of North Carolina-Charlotte; Nan Byars, University of North Carolina-Charlotte; Deborah Sharer, University of North Carolina-Charlotte

Tagged Divisions

Engineering Technology

AC 2007-2151: ASSESSMENT METHODS FOR A MECHANICAL ENGINEERINGTECHNOLOGY PROGRAMGregory Watkins, University of North Carolina-Charlotte Gregory Watkins received a B.S. in Mechanical Engineering from North Carolina State University, a Master of Engineering Management from Old Dominion University, and a Ph.D. in Mechanical Engineering from UNC Charlotte. He has taught in the Engineering Technology department at UNC Charlotte for the past 4.5 years. He taught in the Engineering Technologies Division at Central Piedmont Community College for 8 years and has 9 years of industrial work experience.Nan Byars, University of North Carolina-Charlotte Nan Byars received a BS in Mechanical Engineering

Conference Session

Graduate Education and Undergraduate Research in ET

Collection

2006 Annual Conference & Exposition

Authors

Scott Schneider, University of Dayton

Tagged Divisions

Engineering Technology

2006-1814: AN UNDERGRADUATE RESEARCH EXPERIENCE INENGINEERING TECHNOLOGYScott Schneider, University of Dayton SCOTT J. SCHNEIDER is an assistant professor of Electrical and Computer Engineering Technology at the University of Dayton. He received his MS in Electrical Engineering from The Ohio State University. His areas of interest include software engineering, embedded systems, automotive technologies, and vocational development. He has designed and implemented advanced embedded systems for the communications and automotive industries. Page 11.212.1© American Society for Engineering Education, 2006

Conference Session

Student Learning and Teamwork

Collection

2007 Annual Conference & Exposition

Authors

Janice Girouard, University of Hartford; Ivana Milanovic, University of Hartford; Tom Eppes, University of Hartford

Tagged Divisions

Engineering Technology

AC 2007-81: CREATING FLEXIBLE AND DISTINCT ENGINEERINGTECHNOLOGY PROGRAMSJanice Girouard, University of Hartford Janice Girouard serves as the Director of Student Services for the College of Engineering, Technology, and Architecture at the University of Hartford. She earned her BFA at the Hartford Art School, University of Hartford in 1978 and her M.Ed. at the College of Education, Nursing and Health Professions, University of Hartford in 2004.Ivana Milanovic, University of Hartford IVANA M. MILANOVIC is an Associate Professor of Mechanical Engineering in the College of Engineering, Technology, and Architecture at the University of Hartford. She received her Ph.D. in Mechanical

Conference Session

Mechanical ET Curriculum

Collection

2006 Annual Conference & Exposition

Authors

Anthony Dean, Old Dominion University; Gary Crossman, Old Dominion University; Alok Verma, Old Dominion University

Tagged Divisions

Engineering Technology

2006-2291: DEVELOPING A NEW PROGRAM IN MARINE ENGINEERINGTECHNOLOGYAnthony Dean, Old Dominion University Anthony W. Dean is Assistant Professor of. He received a Ph.D. in Engineering Management and a B.S. in Engineering Technology from ODU and an MBA from the College of William and Mary. Previously, Dr. Dean was Director of Operations and Business Development for Clark-Smith Associates, P.C., and served in the U.S. Navy aboard the USS South Carolina and the USS EnterpriseGary Crossman, Old Dominion University Gary R. Crossman is Professor and Chair of Engineering Technology at Old Dominion University in Norfolk, Virginia. Professor Crossman received his B.S. degree from the U.S. Merchant

Conference Session

Electrical ET Projects and Applications

Collection

2006 Annual Conference & Exposition

Authors

Austin Asgill, Southern Polytechnic State University; Thomas Fallon, Southern Polytechnic State University; Walter E. Thain Jr.

Tagged Divisions

Engineering Technology

2006-2160: DEVELOPING A CAPSTONE COURSE FORTELECOMMUNICATIONS ENGINEERING TECHNOLOGYAustin Asgill, Southern Polytechnic State University Dr Austin B. Asgill received his B.Eng.(hons) (E.E.) degree from Fourah Bay College, University of Sierra Leone, his M.Sc. (E.E.) degree from the University of Aston in Birmingham and his Ph.D. in Electrical Engineering from the University of South Florida. He is an Associate Professor of Electrical and Computer Engineering Technology at Southern Polytechnic State University (SPSU). Prior to joining the faculty at SPSU, he was an Associate Professor of Electronic Engineering Technology at Florida A&M University (FAMU), where he served as Program

Conference Session

New Course Development Concepts in ET

Collection

2013 ASEE Annual Conference & Exposition

Authors

William T. Evans PhD P.E., University of Toledo

Tagged Divisions

Engineering Technology

Paper ID #5968Advanced Courses in Programmable Controllers for Engineering TechnologyDr. William T. Evans P.E., University of Toledo Dr. William Evans earned the Ph.D. in Industrial Engineering in 2005 from the University of Toledo, the M.S.EE in 1975 from the University of Toledo, and the B.S.EE in 1971 from the University of Illinois (UIUC). Dr. Evans has fifteen years experience as controls engineer for industry and 27 years experience as professor of Electrical Engineering Technology, U. of Toledo. Page 23.143.1