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Case Studies of Network RTK Utilization: "General Surveying"

Case Studies of Network RTK Utilization: "General Surveying"

Introducing examples of the use of "network RTK" in the general surveying field.

This document introduces examples of the use of a unique technology (JENOBA method) utilizing real-time data from electronic reference points in the field of general surveying with "network-type RTK." It includes numerous examples of applications, starting with "road ledger map revision work," as well as "centerline and longitudinal surveying of high-voltage power lines" and "topographic and reference point surveying along coastlines." 【Examples of Applications】 ■ Application examples related to road ledger map revision work (Pasco Corporation Kansai Division) ■ Development of a manual for reference point (star measurement point) surveying work using network-type RTK single point observation (Tondabayashi City, Osaka Prefecture; cooperation: Asahi Koyo Co., Ltd.) ■ Application examples of reference point (star measurement point) surveying using network-type RTK single point observation (Geotechnical Co., Ltd.) ■ Application examples of centerline and longitudinal surveying of high-voltage power lines using network-type RTK (Hidex Co., Ltd. and Wajima) ■ Application examples of network-type RTK in river surveying and leveling (reference point) (Kyushu Chuo Surveying Co., Ltd.) *For more details, please refer to the catalog or feel free to contact us.

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[Example] Third-class benchmark surveying using simultaneous observation method with two network-type RTK systems.

[Example] Third-class benchmark surveying using simultaneous observation method with two network-type RTK systems.

Simultaneous observation of two units using network RTK! Observation completed in just one and a half days!

We would like to introduce a case study conducted by Shinsoku Giken Co., Ltd. on "3rd Class Benchmark Survey using Network RTK with Simultaneous Observation of Two Units." From the new points of 55, it was a site that required 4 days with 10 receivers and 4 personnel for static observation as usual. In this case, due to difficulties in arranging equipment and personnel, we conducted simultaneous observation with two units using network RTK with the cooperation of Sokia Co., Ltd. 【Site Overview】 ■ Number of Points - Reference Points: 7 - New Points: 55 ■ Date and Time - 2 days - 17th (8:54 AM - 6:11 PM) *Number of observation vectors: 53 - 18th (9:05 AM - 2:25 PM) *Number of observation vectors: 30 ■ Equipment: 2 sets of Network RTK ■ Personnel: 2 people *For more details, please refer to the PDF document or feel free to contact us.

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[Example] Installation work for fourth-class reference points for land surveying.

[Example] Installation work for fourth-class reference points for land surveying.

Achieved approximately one-third time reduction compared to conventional methods! Utilizing network-based RTK!

We would like to introduce a case where M.T.Y. Synthetic Co., Ltd. utilized a network-type RTK for "the installation work of fourth-class reference points for land surveying." The site involved the installation of fourth-class reference points for land surveying. It was a flat area on a high ground, and there were no issues with satellite conditions or mobile phone communication. A total of 6 points were installed, achieving good results with an accuracy of within 1 cm. The operation went smoothly without any hindrances, and the work was completed in one day. 【Benefits and Effects】 ■ Achieved approximately one-third time reduction compared to conventional methods ■ Cost reduction ■ Shortened delivery time ■ Due to the reduction in on-site work time, we are now able to accept more jobs than before *For more details, please refer to the PDF document or feel free to contact us.

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Case Studies of Network RTK Utilization: "Land and House Surveyor Services"

Case Studies of Network RTK Utilization: "Land and House Surveyor Services"

Introducing examples of the use of "network-type RTK" in the field of land and building surveying.

This document introduces examples of the use of a unique technology (JENOBA method) utilizing real-time data from electronic reference points in the field of land and house surveying with "network-based RTK." It includes examples of applications such as "initiatives for registration surveying," "boundary determination surveying," and "integration with land and house surveying." Compared to traditional static surveying, it demonstrates significant reductions in working time. 【Examples Included】 ■ Initiatives for network-based RTK registration surveying (Kumamoto Prefecture Land and House Surveyors Association) ■ Application of network-based RTK in boundary determination surveying (Land and House Surveyor Yoichi Suzuki Office) ■ Case of integration between land and house surveying and network-based RTK (Omura GPS Research Group) *For more details, please refer to the catalog or feel free to contact us.

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Case Studies on the Use of Network RTK: "Verification/Academic"

Case Studies on the Use of Network RTK: "Verification/Academic"

Introduction of verification and case studies of "network-type RTK" in academic fields.

This document introduces the verification and academic application examples of a unique technology (JENOBA method) that utilizes real-time data from electronic reference points in the "network-type RTK." It includes examples such as "experimental verification of static surveying using network-type static and electronic reference points" and applications in "surveying investigations of large ancient tombs." It has been demonstrated that preliminary surveys do not require significant time or cost, allowing for immediate surveying work with preparations made the day before, showcasing benefits not only in general surveying but also in archaeological investigations. 【Published Examples】 ■ Experimental verification of static surveying using network-type static and electronic reference points (Urban Design Engineering Department, Osaka Institute of Technology, Surveying and Geotechnical Research Laboratory) ■ Application example of network-type RTK in the surveying investigation of large ancient tombs (Archaeology Research Laboratory, Okayama University) *For more details, please refer to the catalog or feel free to contact us.

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Collection of Case Studies on Network RTK Utilization: "Other Application Examples"

Collection of Case Studies on Network RTK Utilization: "Other Application Examples"

Introducing other application examples of "network-type RTK."

This document introduces application examples of the "network-type RTK" that employs a unique technology (JENOBA method) utilizing real-time data from electronic reference points. It includes applications such as "measurement using the Mitsubishi Mobile Mapping System (MMS) high-precision mobile measurement device," as well as examples from the "unmanned rice planting machine system" and the "snow removal support system." 【Published Examples】 ■ Measurement case using the Mitsubishi Mobile Mapping System (MMS) high-precision mobile measurement device (Toyonaka City, Osaka Prefecture) ■ Example of network-type RTK utilization in the unmanned rice planting machine system (National Agriculture and Food Research Organization) ■ Application of network-type RTK in the snow removal support system (Tateyama Route Snow Removal Association) *For more details, please refer to the catalog or feel free to contact us.

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Collection of Case Studies on Network RTK Utilization: "GNSS Demonstration Experiment"

Collection of Case Studies on Network RTK Utilization: "GNSS Demonstration Experiment"

Introducing examples of the use of "network-type RTK" in GNSS demonstration experiments.

This document introduces case studies from a GNSS demonstration experiment utilizing a unique technology (JENOBA method) based on real-time data from electronic reference points, specifically in the context of "network-type RTK." It includes information on the "multi-GNSS demonstration experiment," as well as the usefulness of "buggy surveying" and "network-type multi-GNSS delivery under adverse conditions." The high utility of multi-GNSS has been confirmed for further efficiency in extensive construction management surveying, especially under adverse conditions where the number of receiving satellites is often limited. 【Published Case Studies】 ■ Multi-GNSS Demonstration Experiment [Hokkaido Region] (Iwasaki Co., Ltd.) ■ Demonstration of Network-type GNSS Utilization through Buggy Surveying (Positioning Satellite Technology Co., Ltd.) ■ Demonstration Experiment on the Usefulness of Network-type Multi-GNSS Delivery under Adverse Conditions (Senar and Burns Co., Ltd.) *For more details, please refer to the catalog or feel free to contact us.

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[Example] Construction of a Surveying Work Manual

[Example] Construction of a Surveying Work Manual

Utilizing the single-point observation method of network RTK-GPS surveying in the field of geodetic surveying as public surveying!

We would like to introduce a case study by the City of Tondabayashi, Osaka Prefecture (in cooperation with Asahi Koyo Co., Ltd.) regarding the "Construction of a Surveying Work Manual," utilizing reference points (star measurement points) through network-type RTK single-point observation. To conduct third and fourth-class reference point surveys, which form the backbone of construction surveying, as public surveys, it is necessary to use higher-level national reference points or public reference points as known points. However, in areas where the density is not sufficiently developed for efficient use, there can be an excessive financial burden. As a result, these surveying works may not be applied to the Geospatial Information Authority of Japan as public surveys, and the surveying results have rarely been utilized beyond the specific construction projects. 【Solution】 - Developed a single-point observation method using network-type RTK-GPS in collaboration with Asahi Koyo Co., Ltd. in the field of geodetic surveying. - Received advice from the Geospatial Information Authority of Japan based on the application under Article 16 of the Public Survey Work Regulations. - Utilized the single-point observation method of network-type RTK-GPS surveying as public surveying in the field of geodetic surveying. *For more details, please refer to the PDF document or feel free to contact us.

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[Example] Application to Continuous Elevation Measurement of Mobile Bodies

[Example] Application to Continuous Elevation Measurement of Mobile Bodies

Introducing the application of FKP-GPS measurement and ultrasonic level meters for continuous elevation measurement of moving objects!

We would like to introduce a case study conducted by Shin Gijutsu Consulting Co., Ltd. on the Chitose River embankment, titled "Application of FKP-GPS Surveying and Ultrasonic Level Measurement for Continuous Elevation Measurement of Moving Bodies." The site is located between 7.0 km and 12.0 km of the first-class river Chitose River, which flows through Ebetsu City and Chitose and Eniwa Cities. To understand the condition of the construction reference surface of the embankment built on soft ground, continuous elevation measurements using moving bodies were conducted, along with a comparative verification against direct leveling surveys. The vehicle was equipped with a high-precision GPS receiver and an aerial level meter, obtaining coordinate values and indirect elevation values every second using the FKP method. Additionally, the comparison with direct leveling involved direct elevation observations at the points where the level meter sensor made contact. Comparative measurements were taken at 77 identical points over a 3 km section on both the right and left banks. [Results (excerpt)] ■ Comparison with direct leveling (KP standard) - Less than 5 cm: 68.8%, less than 10 cm: 97.4% ■ Comparison with existing reference point results - Maximum ΔX 0.022m, ΔY 0.013m, ΔH 0.022m - Standard deviation ΔX 0.010m, ΔY 0.007m, ΔH 0.010m *For more details, please refer to the PDF document or feel free to contact us.

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[Example] Installation of River Distance Markers

[Example] Installation of River Distance Markers

Introducing observation examples of 75 Class 4 reference points in the topographic survey of rivers in Saga Prefecture!

We would like to introduce a case study by Kyushu Surveying and Design Co., Ltd. that utilized network-based RTK in the installation of river distance markers. In this case, network-based RTK was used to observe 75 fourth-class reference points during topographic surveying of rivers in Saga Prefecture. On-site checks of the observed values (closure) were conducted to confirm the consistency of the observations, and then calculations for the provisional and practical networks were performed back at the office to determine the coordinates. In the above-mentioned work (observation time only), it would typically take about two and a half days for work done with total stations, but by using network-based RTK, the work time was reduced to 7 to 8 hours, achieving a significant reduction in work time (with good visibility overhead). 【Benefits and Effects】 ■ Cost reduction compared to conventional reference point surveying (work can be done by one person). *For more details, please refer to the PDF document or feel free to contact us.

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