Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Ku-Band Array Antenna for Using LEO Satellite Signals in PNT https://rip.trb.org/View/2458988 Thu, 21 Nov 2024 17:32:51 GMT https://rip.trb.org/View/2458988 Defending Against GNSS Jamming and Spoofing by Multi-Sensor Integration https://rip.trb.org/View/2329754 Wed, 31 Jan 2024 15:02:17 GMT https://rip.trb.org/View/2329754 GNSS Anti-Jam & Anti-Spoof Antenna Technology for Multimodal Transportation https://rip.trb.org/View/2329726 Wed, 31 Jan 2024 14:12:10 GMT https://rip.trb.org/View/2329726 Enhanced Cybersecurity via Smart Antenna Technology for V2X https://rip.trb.org/View/2299467 Fri, 01 Dec 2023 05:06:47 GMT https://rip.trb.org/View/2299467 RF and Antenna Threats, Risks, and Mitigations for GNSS Receivers https://rip.trb.org/View/1986927 Wed, 29 Jun 2022 14:48:15 GMT https://rip.trb.org/View/1986927 Improving Subsurface Non-metallic Utility Locating Using Self-Aligning Robotic Ground Penetrating Radar https://rip.trb.org/View/1743188 Mon, 05 Oct 2020 16:12:13 GMT https://rip.trb.org/View/1743188 Battery-free Antenna Sensors for Strain and Crack Monitoring of Bridge Structures (SN-2) https://rip.trb.org/View/1482757 Thu, 14 Sep 2017 21:39:31 GMT https://rip.trb.org/View/1482757