Author: A Lisson, educator, Minnesota Alliance for Geographic EducationGrade/Audience: grade 8Resource type: lessonSubject topic(s): gis, geographic thinkingRegion: united statesStandards: Minnesota Social Studies Standards

Standard 1. People use geographic representations and geospatial technologies to acquire, process and report information within a spatial context.Objectives: Students will be able to:

1. Explain the difference between two types of geospatial technologies - GPS and GIS.
2. Develop basic skills to effectively manipulate and use GPS receivers and ArcGIS software.
3. Explain uses of GPS and GIS.Summary: Students use GPS coordinates to discover geocaches at a local park, and they use ArcGIS to layer maps about the park. Frontenac State park is the example, but any park or area (including school grounds) could be used. Students also investigate careers that use GIS.

DNRGPS is an update to the popular DNRGarmin application. DNRGPS and its predecessor were built to transfer data between Garmin handheld GPS receivers and GIS software.

DNRGPS was released as Open Source software with the intention that the GPS user community will become stewards of the application, initiating future modifications and enhancements.

DNRGPS does not require installation. Simply run the application .exe

See the DNRGPS application documentation for more details.

Compatible with: Windows (XP, 7, 8, 10, and 11), ArcGIS shapefiles and file geodatabases, Google Earth, most hand-held Garmin GPSs, and other NMEA output GPSs

Limited Compatibility: Interactions with ArcMap layer files and ArcMap graphics are no longer supported. Instead use shapefile or geodatabase.

Prerequisite: .NET 4 Framework

DNR Data and Software License Agreement

Subscribe to the DNRGPS announcement list to be notified of upgrades or updates.

The booming Spatial Location Services market is projected to reach $153.9 billion by 2033, driven by IoT, GPS advancements, and rising demand across sectors. Explore market trends, key players (Google Cloud, IBM, HERE Technologies), and regional insights in this comprehensive analysis.

It is about updating to GIS information database, Decision Support Tool (DST) in collaboration with IWMI. With the support of the Fish for Livelihoods field team and IPs (MFF, BRAC Myanmar, PACT Myanmar, and KMSS) staff, collection of Global Positioning System GPS location data for year-1 (2019-20) 1,167 SSA farmer ponds, and year-2 (2020-21) 1,485 SSA farmer ponds were completed with different GPS mobile applications: My GPS Coordinates, GPS Status & Toolbox, GPS Essentials, Smart GPS Coordinates Locator and GPS Coordinates. The Soil and Water Assessment Tool (SWAT) model that integrates climate change analysis with water availability will provide an important tool informing decisions on scaling pond adoption. It can also contribute to a Decision Support Tool to better target pond scaling. GIS Data also contribute to identify the location point of the F4L SSA farmers ponds on the Myanmar Map by fiscal year from 1 to 5.

India Location-based Services Market size was valued at USD 460 Million in 2024 and is projected to reach USD 1563 Million by 2032, growing at a CAGR of 16.7% from 2026 to 2032.India Location-based Services Market: Definition/ OverviewLocation-based services (LBS) are applications or services that use a user's geographic location to provide personalized content, services, or information. These services typically rely on technologies such as GPS, Wi-Fi, or cellular data to determine the user's position and tailor experiences based on that location. LBS can be offered through mobile apps, websites, or IoT devices, providing users with relevant information or guidance wherever they are.The application of location-based services spans across various industries, from navigation and travel to retail and marketing. For instance, apps like Google Maps or Uber use LBS to offer real-time route guidance, ride-hailing services, and traffic updates. Retailers use LBS for targeted advertising, sending promotional offers to customers when they are near a store. Additionally, LBS are used in healthcare for monitoring patient movement, in logistics for fleet management, and even in social networking apps where users can share their locations with friends.

The Geographic Information System (GIS) market is experiencing robust growth, projected to reach $2979.7 million in 2025 and maintain a Compound Annual Growth Rate (CAGR) of 5.5% from 2025 to 2033. This expansion is driven by several key factors. Increasing urbanization and infrastructure development necessitate sophisticated spatial data management and analysis, fueling demand for GIS solutions across various sectors. The construction industry, for instance, leverages GIS for project planning, site surveying, and resource management, while utilities companies use it for network optimization and asset management. Furthermore, the growing adoption of cloud-based GIS platforms enhances accessibility, scalability, and cost-effectiveness, attracting a wider user base. Precision agriculture, another significant driver, utilizes GIS for efficient land management, crop monitoring, and yield optimization. Technological advancements, particularly in areas like sensor technology (imaging sensors, LIDAR), GNSS/GPS, and improved data analytics capabilities, continuously enhance GIS functionalities and expand its applications. Competitive landscape includes major players like Esri, Hexagon, and Autodesk, driving innovation and fostering market competitiveness. However, the market faces some challenges. The high initial investment required for implementing GIS solutions, along with the need for specialized technical expertise, can be barriers to entry, particularly for smaller businesses. Data security and privacy concerns also remain a significant factor influencing market growth. Despite these restraints, the long-term outlook for the GIS market remains positive, driven by continued technological progress, increasing data availability, and growing awareness of the benefits of spatial data analysis across diverse industries. The market is expected to witness substantial growth in regions like Asia Pacific and North America owing to high adoption rates and increasing investment in infrastructure projects. The consistent improvements in accuracy and cost-effectiveness of GIS technology will continue to open up new application areas, further fueling market expansion throughout the forecast period.

The global GIS Data Collector market is experiencing robust growth, driven by increasing adoption of precision agriculture techniques, expanding infrastructure development projects, and the rising need for accurate geospatial data across various industries. The market's Compound Annual Growth Rate (CAGR) is estimated to be around 8% for the forecast period of 2025-2033, projecting significant market expansion. This growth is fueled by technological advancements in GPS technology, improved data processing capabilities, and the increasing affordability of GIS data collection devices. Key segments driving market expansion include high-precision data collection systems and their application in agriculture, where farmers are increasingly leveraging real-time data for optimized resource management and increased yields. The industrial sector also contributes significantly to market growth, with applications ranging from construction and surveying to utility management and environmental monitoring. While the market faces certain restraints, such as the need for skilled professionals to operate the sophisticated equipment and the potential for data security concerns, these are outweighed by the overwhelming benefits of improved efficiency, accuracy, and cost savings provided by GIS data collectors. The market's regional landscape shows significant participation from North America and Europe, owing to established technological infrastructure and early adoption of advanced GIS technologies. However, rapid growth is expected in the Asia-Pacific region, especially in countries like China and India, fueled by infrastructure development and expanding agricultural activities. Leading players like Garmin, Trimble, and Hexagon are driving innovation and competition, while a growing number of regional players offer more cost-effective solutions. The competitive landscape is characterized by a mix of established global players and regional manufacturers. The established players leverage their technological expertise and extensive distribution networks to maintain market leadership. However, the increasing affordability and accessibility of GIS data collection technologies are attracting new entrants, creating a more dynamic market. Future growth will likely be shaped by the integration of artificial intelligence and machine learning into GIS data collection systems, further enhancing data processing capabilities and automation. The continued development of robust and user-friendly software applications will also contribute to market expansion. Furthermore, the adoption of cloud-based GIS platforms is expected to increase, facilitating greater data sharing and collaboration. This convergence of hardware and software innovations will drive market growth and broaden the applications of GIS data collectors across diverse sectors.

Discover the booming GIS Data Collector market! This comprehensive analysis reveals a $2.5B market in 2025, projected to reach $4.2B by 2033, fueled by precision agriculture, infrastructure development, and technological advancements. Explore key trends, drivers, restraints, and leading companies shaping this dynamic sector.

The booming Geospatial Solutions market is projected to reach $375.8 Billion by 2033, growing at a CAGR of 7.2%. This comprehensive analysis explores market drivers, trends, restraints, and key players across North America, Europe, and Asia Pacific. Discover insights into hardware, software, service segments and applications like utility, transportation, and defense.

Discover the booming handheld GNSS receiver market! This comprehensive analysis reveals market size, growth trends, key players (Trimble, Leica, Topcon), and regional insights (North America, Europe, Asia-Pacific). Learn about applications in surveying, agriculture, and more. Explore the future of precise positioning technology.

Geospatial Solutions Market size was valued at USD 282.75 Billion in 2024 and is projected to reach USD 650.14 Billion by 2032, growing at a CAGR of 12.10% during the forecast period 2026-2032.Geospatial Solutions Market: Definition/ OverviewGeospatial solutions are applications and technologies that use spatial data to address geography, location, and Earth's surface problems. They use tools like GIS, remote sensing, GPS, satellite imagery analysis, and spatial modelling. These solutions enable informed decision-making, resource allocation optimization, asset management, environmental monitoring, infrastructure planning, and addressing challenges in sectors like urban planning, agriculture, transportation, disaster management, and natural resource management. They empower users to harness spatial information for better understanding and decision-making in various contexts.Geospatial solutions are technologies and methodologies used to analyze and visualize spatial data, ranging from urban planning to agriculture. They use GIS, remote sensing, and GNSS to gather, process, and interpret data. These solutions help users make informed decisions, solve complex problems, optimize resource allocation, and enhance situational awareness. They are crucial in addressing challenges and unlocking opportunities in today's interconnected world, such as mapping land use patterns, monitoring ecosystem changes, and real-time asset tracking.

Content

NYSNet is a spatial reference network of continuously operating Global Positioning System (GPS) reference stations (CORS) throughout New York State that can be used for differential GPS applications. Depending on equipment and procedures, this network can provide users the ability to achieve centimeter positioning for surveying applications or sub-meter positioning for GIS mapping applications. Position information from this reference network can be utilized by using static data in post processing or by using the real time network (RTN).

Context

This is a dataset hosted by the State of New York. The state has an open data platform found here and they update their information according the amount of data that is brought in. Explore New York State using Kaggle and all of the data sources available through the State of New York organization page!

• Update Frequency: This dataset is updated annually.

Acknowledgements

This dataset is maintained using Socrata's API and Kaggle's API. Socrata has assisted countless organizations with hosting their open data and has been an integral part of the process of bringing more data to the public.

Cover photo by Kelsey Knight on Unsplash
Unsplash Images are distributed under a unique Unsplash License.

This dataset is a compendium of GPS Data collected by Randy Carlson and collaborators on the Virginia Coast Reserve (primarily), Plum Island and North Inlet. A master data table was extracted by Charles L. Carlson during 2013 that includes all the individual point locations recovered from individual surveys. In addition to the data table, the data is also shared as a .zip file containing a static web page with links to particular projects and the underlying data. To use the data, unzip it and use your web browser to open the index.html file. Web page contents include: American Oyster Catchers on the Virginia Coast Reserve - 2003 Lynette Winters - Salicornia - MSL elevation project Dynamic Evolution of Barrier Island Morphology and Ecology from 1996-2002 Documented Using High -Resolution GPS-GIS Topographic Mapping Surveys, Virginia Coast Reserve (for GSA, Denver, CO Oct 27-30, 2002 Broadwater Tower Overwash Fan Photos - Feburary 15, 2002 Hog Island Bay DGPS Drifter Study 2001 Ray Dueser/Nancy Moncrief Small Mammal GPS/GIS A Topographical History of North Myrtle Island, 1974 to 2001 Ray Dueser/Nancy Moncrief - Highest Elevations on VCR Barrier Islands Myrtle Island Planimetric area, Surface area & Volumetric Calculations 1996-2001 Myrtle, Ship Shoal GIS/GPS UTM Shape Files and Grids Myrtle, Ship Shoal, ESNWR, Shirley, Steelman's Landing Text Files Complete List of All Small Mammal Trap locations 1995 - 2001 Ship Shoal Island Small Mammal Traps 1997 - 2000 LTER Cross-Site GPS Surveys Hobcaw Barony / Baruch Institue SET/GPS Survey, South Carolina, December 2000 PIE/LTER - Plum Island Sound GPS Network, July 1998 Montandon Marsh at Bucknell University, Lewisburg, Pennsylvania 1997 Bathymetric Survey Procedures, Schematic Diagrams and Instructions The following instructions and procedures are used with reference to the Trimble 4000 SE Global Positioning System receiver, the Trimble NavBeacon XL, the Innerspace Digital Fathometer (Model 448) and the Innerspace DataLog with Guidance Software. GPS-referenced digital bathymetry Schematic Diagram of DGPS/Digital Fathometer connections for bathymetry Instructions for DataLog w/Guidance Software (Innerspace Digital Fathometer) Instructions for Trimble 4000 SE GPS Receiver and Trimble Navbeacon XL Innerspace Digital Fathometer - Model 448 - Field Protocol for Bathymetric Surveys Archived Bathymetric Projects Hog Island Bay DGPS Bathymetric Survey, 1999/2000 Phillip's Creek DGPS Bathymetric Survey 1999/2000 Oyster Harbor Bathymetric Survey (February 2000) Smith Point, Chesapeake Bay, Maryland DGPS Bathymetric Survey, Sept. 2001 Fishermans/Smith/Mockhorn Bay Bathymetric Survey 2000 to 2001 Post-processed Kinematic GPS data: Is It Precise? (1998) Small Mammal GPS/GIS Applications Hog Island Small Mammal Traps on T1, T2, T4, T5 Fowling Point 1996, 1997 Geomorphology Applications Parramore Island, Virginia Parramore Pimple Overwash Fans 1996 Parramore Pimple Overwash Fans 1997 Parramore Island Overwash Fans June 1998 Parramore Island Plugs - August 1998 Parramore Island Overwash Fan 1999 Hog Island, Virginia Broadwater Tower Overwash Fan June 1998 Photos of Broadwater Tower Overwash Fan - March 13, 1999 Broadwater Tower Overwash Fan 1999 Myrtle Island, Virginia A Topographical History of Myrtle Island, 1996 to 2001 Cobb and Fisherman's Islands, Virginia Cobb Island Overwash Fan July 1998 Fisherman's Island - ESNWR and ODU September /1998 Brownsville Farm GPS/GIS Project Long-Term Inundation Project, Christian/Thomas Brinson/Christian/Blum Project Eileen Appolone (ECU) Lisa Ricker's Static GPS Points in Northampton County Eileen Applone (East Carolina University) Static Survey d99124 Brownsville Farm GPS/GIS Project, Christian/Blum/Brinson VCR/LTER Tide Gauges and Water Level Recorders Red Bank Tide Gauge (part of Fowling Pt. survey) Hog Island WLR's 1996 (Brinson) Hog Island Tide Gauge 12/96 High tide surveys at PIE/LTER with Chuck Hopkinson Jim Morris, USC, at Debidue Island, South Carolina Benchmark BRNV in Brownsville, VCR/LTER Miscellaneous Static Sub-Networks Frank Day/Don Young - North Hog 2/99 (Excel File) or a TEXT file Frank Day 120 YR Old Dune Survey (Excel File) or a TEXT file Kindra Loomis GPS Kinematic/Topographic Survey 12/97 Clubhouse Creek at Parramore Island 1997 Phragmites on Southern Hog Island - (dataset only) (9/98) Oyster Harbor 1997 (Hayden & Porter) Southern Hog 1996 (Zieman) VCR/LTER Sediment Elevation Tables - Mockhorn/Wachapreague, August 2001 Aaron Mills Benchmarks - Research Field in Oyster, October 2001 Birds Nests on the Virginia Coast Reserve VCR Birds 1997 (Erwi... Visit https://dataone.org/datasets/https%3A%2F%2Fpasta.lternet.edu%2Fpackage%2Fmetadata%2Feml%2Fknb-lter-vcr%2F156%2F20 for complete metadata about this dataset.

GPS Positioning System Market Outlook

As of 2023, the global market size for GPS Positioning System stands at approximately USD 38.1 billion. Projecting forward with a robust CAGR of 15.2%, the market is anticipated to reach USD 103.2 billion by 2032. The primary growth drivers include the increasing adoption of GPS technology in various sectors such as transportation, military & defense, agriculture, and consumer electronics, coupled with advancements in satellite and connectivity technologies.

One of the significant growth factors contributing to the expansion of the GPS positioning system market is the burgeoning demand for location-based services across different industries. With the proliferation of smartphones and other wearable devices, the need for precise and real-time positioning information has surged. Additionally, advancements in GIS (Geographic Information Systems) and IoT (Internet of Things) technologies are enabling more sophisticated applications of GPS in sectors like smart cities and autonomous vehicles. These technological advancements are not only providing a boost to the market but are also paving the way for new use cases and applications.

Another critical growth factor is the increasing reliance on GPS technology for military and defense applications. GPS systems are crucial for navigation, surveillance, and reconnaissance missions. Governments globally are investing heavily in upgrading their defense systems, which includes the integration of advanced GPS technology. This continuous investment is expected to drive the market significantly. Furthermore, the development of anti-jamming and anti-spoofing technologies is enhancing the reliability and security of military GPS applications, thereby further driving market growth.

The agricultural sector is also witnessing a significant transformation due to the integration of GPS technology. Precision farming, which relies on GPS for accurate field mapping, soil sampling, and tractor guidance, is gaining traction globally. This technology helps farmers optimize their resources and improve crop yields, thereby driving the adoption of GPS systems in agriculture. The increasing focus on sustainable farming practices and the need for efficient resource management are expected to further propel the market in this sector.

As the GPS positioning system market continues to evolve, the emergence of GPS Spoofer technology poses both challenges and opportunities. GPS spoofing involves the transmission of false signals to deceive GPS receivers, which can lead to incorrect positioning data. This technology, while potentially harmful, is also driving the development of more robust and secure GPS systems. Companies are investing in advanced anti-spoofing technologies to safeguard their systems against such threats. The growing awareness and need for secure GPS solutions are expected to spur innovation and enhance the reliability of GPS systems across various sectors.

Regionally, the Asia Pacific is expected to witness the highest growth rate due to the rapid industrialization and urbanization in countries like China and India. The growing adoption of GPS technology in various sectors such as transportation, construction, and consumer electronics is fueling the market growth in this region. Moreover, government initiatives to develop smart cities and improve public safety are expected to provide a significant boost to the GPS positioning system market in the Asia Pacific.

Component Analysis

The GPS positioning system market by component is divided into hardware, software, and services. Hardware components, including GPS receivers, antennas, and modules, form the backbone of GPS systems. With the increasing demand for accurate and reliable location data, there is a growing emphasis on developing advanced hardware that can provide better precision and durability. The development of multi-frequency and multi-constellation receivers is one such advancement that is enhancing the performance of GPS systems in various applications.

Software components play a crucial role in processing and analyzing the data gathered by GPS hardware. This includes mapping and navigation software, tracking and fleet management applications, and GIS software. The increasing complexity of applications and the need for real-time data processing are driving the demand for advanced GPS software solutions. The integration of AI and machine learning algorithms in GPS software is ena

Japan Location-based Services Market size was valued at USD 25.00 Billion in 2024 and is projected to reach USD 48.02 Billion by 2032, growing at a CAGR of 8.5% from 2026 to 2032. Key Market Drivers:Rising Demand for Real-Time Navigation Solutions: The Japan location-based services (LBS) market is rising due to increasing demand for real-time navigation solutions in urban and rural areas. With Japan’s aging population and growing tourism sector, precise location tracking has become essential. According to the Ministry of Land, Infrastructure, Transport and Tourism (2023), over 75% of smartphone users in Japan rely on navigation apps daily. Key players like Toyota’s Mobility Service Platform and LINE Yahoo! have introduced AI-powered route optimization, enhancing user experience. Recent updates from Sony’s IoT division highlight advancements in pedestrian navigation for crowded cities like Tokyo.Growing Adoption of Location-Based Advertising: The market is growing as businesses leverage geofencing and proximity marketing to engage consumers. Retailers and food chains are increasingly using LBS to send personalized promotions, driving foot traffic. A 2024 report by the Ministry of Internal Affairs and Communications revealed that location-based ad spending in Japan surged by 30% YoY. Companies like SoftBank and Rakuten are integrating AR-based ads, while NTT Docomo has partnered with local SMEs for hyper-local campaigns. Recent news from Panasonic highlights trials of beacon technology in Osaka’s shopping districts.

The Navigation and Mapping Solutions market is experiencing robust growth, driven by the increasing adoption of location-based services (LBS) across various sectors. The market's expansion is fueled by several key factors, including the proliferation of smartphones equipped with advanced GPS technology, the rising demand for real-time traffic updates and navigation assistance, and the increasing integration of mapping solutions into automotive systems. Furthermore, the development of sophisticated mapping technologies, such as 3D mapping and augmented reality (AR) overlays, is enhancing user experience and driving market penetration. The expanding use of these solutions in logistics and transportation, coupled with the growth of e-commerce and the demand for efficient delivery services, contributes significantly to the market's upward trajectory. We estimate the market size in 2025 to be around $15 billion, projecting a Compound Annual Growth Rate (CAGR) of 12% through 2033. Despite the promising outlook, market growth faces certain challenges. High initial investment costs associated with developing and maintaining advanced mapping systems may limit entry for smaller players. Data privacy concerns and regulatory restrictions regarding data collection and usage pose significant hurdles. The accuracy and reliability of mapping data remain critical factors affecting market adoption, particularly in remote or rapidly changing areas. Competition among established players like Google, TomTom, and Garmin is intense, demanding continuous innovation and strategic partnerships to maintain a competitive edge. Despite these restraints, the long-term prospects for the navigation and mapping solutions market remain positive, driven by ongoing technological advancements and expanding applications across diverse industries.

The Navigation Electronic Map market is booming, projected to reach $3021 million by 2025 with a 25.4% CAGR. This report analyzes market drivers, trends, restraints, and key players, offering insights into 2D/3D maps across personal, commercial, and military applications. Explore regional market shares and future growth projections.

Africa Geospatial Analytics Market size was valued at USD 0.26 Billion in 2024 and is projected to reach USD 0.46 Billion by 2032, growing at a CAGR of 7.00% from 2026 to 2032.Key Market Drivers:Adoption Of Smart Agriculture Practices: The integration of precision farming technologies has been accelerated to improve yield monitoring, soil diagnostics, and crop health in Africa. The availability of free satellite data through platforms like the African Regional Data Cube, along with analytics solutions by firms such as aWhere and Syecomp, has enabled cost-effective implementation. With over 60% of Africa’s population reliant on agriculture but contributing only 23% to GDP, demand for geospatial analytics is expected to be driven by the need for enhanced productivity and food security.Investment In Infrastructure And Urban Development: Geospatial analytics have been increasingly utilized for urban planning, zoning, and land use regulation across Africa’s rapidly expanding cities. The projected growth of the urban population to 1.5 billion by 2050 is anticipated to drive substantial demand for GIS-based solutions, especially in smart city initiatives focused on infrastructure mapping and traffic management.

This dataset is a compendium of GPS Data collected by Randy Carlson and collaborators on the Virginia Coast Reserve (primarily), Plum Island and North Inlet. A master data table was extracted by Charles L. Carlson during 2013 that includes all the individual point locations recovered from individual surveys. In addition to the data table, the data is also shared as a .zip file containing a static web page with links to particular projects and the underlying data. To use the data, unzip it and use your web browser to open the index.html file. Web page contents include:

     American Oyster Catchers on the Virginia Coast Reserve - 2003


     Lynette Winters - Salicornia - MSL elevation project


     Dynamic Evolution of Barrier Island Morphology and Ecology from 1996-2002 Documented Using High -Resolution GPS-GIS Topographic Mapping Surveys, Virginia Coast Reserve (for GSA, Denver, CO Oct 27-30, 2002


     Broadwater Tower Overwash Fan Photos - Feburary 15, 2002


     Hog Island Bay DGPS Drifter Study 2001


     Ray Dueser/Nancy Moncrief Small Mammal GPS/GIS


     A Topographical History of North Myrtle Island, 1974 to 2001


     Ray Dueser/Nancy Moncrief - Highest Elevations on VCR Barrier Islands


     Myrtle Island Planimetric area, Surface area & Volumetric Calculations 1996-2001


     Myrtle, Ship Shoal GIS/GPS UTM Shape Files and Grids


     Myrtle, Ship Shoal, ESNWR, Shirley, Steelman's Landing Text Files


     Complete List of All Small Mammal Trap locations 1995 - 2001


     Ship Shoal Island Small Mammal Traps 1997 - 2000



 LTER Cross-Site GPS Surveys



     Hobcaw Barony / Baruch Institue SET/GPS Survey, South Carolina, December


     2000 PIE/LTER - Plum Island Sound GPS Network, July 1998 Montandon Marsh at Bucknell University, Lewisburg, Pennsylvania 1997



 Bathymetric Survey Procedures, Schematic Diagrams and Instructions The following instructions and procedures are used with reference to the Trimble 4000 SE Global Positioning System receiver, the Trimble NavBeacon XL, the Innerspace Digital Fathometer (Model 448) and the Innerspace DataLog with Guidance Software. GPS-referenced digital bathymetry Schematic Diagram of DGPS/Digital Fathometer connections for bathymetry
 Instructions for DataLog w/Guidance Software (Innerspace Digital Fathometer)
 Instructions for Trimble 4000 SE GPS Receiver and Trimble Navbeacon XL
 Innerspace Digital Fathometer - Model 448 - Field Protocol for Bathymetric Surveys Archived Bathymetric Projects



     Hog Island Bay DGPS Bathymetric Survey, 1999/2000


     Phillip's Creek DGPS Bathymetric Survey 1999/2000


     Oyster Harbor Bathymetric Survey (February 2000)


     Smith Point, Chesapeake Bay, Maryland DGPS Bathymetric Survey, Sept. 2001


     Fishermans/Smith/Mockhorn Bay Bathymetric Survey 2000 to 2001






     Post-processed Kinematic GPS data: Is It Precise? (1998)


     Small Mammal GPS/GIS Applications


     Hog Island Small Mammal Traps on T1, T2, T4, T5


     Fowling Point 1996, 1997



  Geomorphology Applications 



     Parramore Island, Virginia


     Parramore Pimple Overwash Fans 1996


     Parramore Pimple Overwash Fans 1997


     Parramore Island Overwash Fans June 1998


     Parramore Island Plugs - August 1998


     Parramore Island Overwash Fan 1999


     Hog Island, Virginia


     Broadwater Tower Overwash Fan June 1998


     Photos of Broadwater Tower Overwash Fan - March 13, 1999


     Broadwater Tower Overwash Fan 1999


     Myrtle Island, Virginia


     A Topographical History of Myrtle Island, 1996 to 2001


     Cobb and Fisherman's Islands, Virginia


     Cobb Island Overwash Fan July 1998


     Fisherman's Island - ESNWR and ODU September /1998