Articles in the Navigation Category

Feb 2024 | No Comment

The global industry is preparing to change its navigational heading reference from Magnetic North to True North. This article examines the issues involved, and provides an update on the progress of research into options for managing the transition process.

David Learmount

Private pilot Former pilot and Qualified Flying Instructor in the …

Aug 2023 | No Comment

In this paper we proposed a model and a Proof of Concept imple-mentation on how to integrate blockchain technologies to land administration system that relies on ISO 19152:2012 Land Administration Domain Model

Attoumane Tahar

Université Cheikh Anta Diop de Dakar Dakar, Dakar, Sénégal

Gervais Mendy

Université Cheikh Anta Diop de Dakar Dakar, Dakar, Sénégal

Samuel Ouya

Université Cheikh Anta Diop de …

Feb 2023 | No Comment

In the emerging analysis we identified design considerations for future walking-focused applications, emphasizing the subjective and personal nature of walking routes

James Williams

Nottingham Geospatial Institute, University of Nottingham

James Pinchin

Nottingham Geospatial Institute, University of Nottingham

Adrian Hazzard

Mixed Reality Laboratory, University of Nottingham

Gary Priestnall

School of Geography, University of Nottingham

Abstract
In this paper …

Dec 2022 | No Comment

Migratory animals have innate programs to guide them to their still unknown goal. Highly mobile animals with large ranges develop a so-called navigational ‘map’, a mental representation of the spatial distribution of navigational factors within their home region and their migration route. Readers may recall that the first part was published in November issue. We …

Nov 2022 | No Comment

Migratory animals have innate programs to guide them to their still unknown goal. Highly mobile animals with large ranges develop a so-called navigational ‘map’, a mental representation of the spatial distribution of navigational factors within their home region and their migration route. We present here the first part of the paper. The concluding part will …

Nov 2022 | No Comment

The paper delineates an important potential role for the Mechanism in a navigational process practiced by mariners in the
18th and 19th centuries

James E. (Jim) Wyse

Chief Scientific and Technology Officer, Maridia Research Associates Professor (Ret’d), Memorial University, Canada

Abstract
Since its recovery in 1901 from the seabed near the small Greek island of Antikythera northwest of Crete, a …

Mar 2022 | No Comment

The ITU Membership considered and approved a package of three revised ITU-R Recommendations on radionavigation-satellite service (RNSS) systems as listed below.

Recommendation ITU-R M.1787-4 – Description of systems and networks in the radionavigation-satellite service (spaceto- Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 …

Feb 2022 | No Comment

We have implemented the circuit design comprising of phase detector, limiter, loop filter, NCO and clock divider in hardware using FPGA. The disciplined 10MHz is measured to have a long term (10,000 sec) stability of 1.7 x 10-10. In case of non-availability of NavIC 1PPS, the circuit is designed to work with an internal 1PPS …

Jul 2020 | No Comment

This paper reviews the background to the grounding of Clipper Adventure, and the geomatics issues related to the grounding

Bruce Calderbank

Retired Fellow of the Royal Institution of Chartered Surveyors (FRICS), a Canada Lands Surveyor (CLS), a Canadian Certified Hydrographer (CH) Level 1, a Certified Professional Hydrographic Surveyor Level 1 (CPHS 1), and an Albertan Professional Engineer …

Apr 2019 | No Comment

The number of people killed in pleasure craft accidents in Norway has been relatively stable for the last 10 years ranging between 38 and 24. In 2015 the number was 37 and in 2016, 27 (Berntsen, 2017). The reduction in deaths by 2016…