Research Sources Research

How can Precise Point Positioning be used to improve accuracy of a Global Navigation Satellite System survey using a single receiver. There are many ways to answer that question and many levels of detail, depth and accuracy different sources can provide. Below are an assessment of three sources of different types which could be used to start to answer that question. All citations should have the second and subsequent lines indented but I cannot seem to make Blogger do that.

1. Novatel. (2015). Precise Point Positioning (PPP). Retrieved February 06, 2019, from https://www.novatel.com/an-introduction-to-gnss/chapter-5-resolving-errors/precise-point-positioning-ppp/

This resource is a website produced by a producer of GNSS products. It is designed as an introductory and explanatory document to help potential users understand more about they technology they produce. It does not have an author cited and does not include references. This means one must take them at their word for anything discussed on the page. It does include a year of publication in this case from a parent directory, however it difficult to ascertain if that is the last time this page was edited. There is likely some bias built into the information provided as it is compiled by a corporation with a financial interest in the use of the information.

2. Lou, Y., Zheng, F., Gu, S., Wang, C., Guo, H., & Feng, Y. (2015). Multi-GNSS precise point positioning with raw single-frequency and dual-frequency measurement models. GPS Solutions, 20(4), 849-862. doi:10.1007/s10291-015-0495-8

This resource is a web accessed journal article published in GPS Solutions, also in 2015. The authors come from two organizations: the GNSS Research Center of Wuhan University, Wuhan, China, and the Science and Engineering Faculty, Queensland University of Technology, Brisbane, Australia. It contains many references to other articles from within just a couple of years before its publication which lends credence to it being up to date. It is quite specific which could mean that it does not have a broad application to answering my question, however it could be a great resource for a specific part of my question.

3. Kaplan, E. D., & Hegarty, C. (2017). Understanding GPS/GNSS: Principles and Applications (3rd ed.). Boston, MA: Artech House.

This resource is a book accessed online. It was published in 2017 so is the most recent of the three sources, but it is the third edition so it would be difficult to tell when precisely any part of the book was added. There are just two authors, but they cite a long list of contributors from a large variety of organizations around the world. The book covers all of the principles and science of GNSS including an entire chapter just on PPP and has references from many sources all through it giving it additional weight.