Improvements on the Instrument Landing System

Jackson, W.E.

doi:10.1109/tane3.1959.4201674

Cited by 5 publications

(3 citation statements)

References 1 publication

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“…In general, site-error reduction is directly proportional to the increase in aperture. The ILS localizer has been treated this way (17), the VOR is in t'he process (18) and the ILS glide-slope is about to be treated. The performance of Tacan antennas, intended for mounting on top of ships' masts (where there are virtually no site errors) has been greatly deteriorated when they have been placed near the ground; here again, increased aperture has been most beneficial.…”

Section: Dmand' (16) Is the Civil Distance Measuring System Compatiblementioning

confidence: 99%

Ground-Based Radio Aids to Navigation

Dodington¹

1967

Navigation

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Ground‐basbd aids provide fixes independent of the vehicle's previous history, and often result in relatively low vehicular equipment cost. The present status of the major systems is reviewed. It is concluded that, for the forseeable future, the requirement for ground‐based aids will continue. The “lock‐and‐key” relationship of ground equipment to vehicular equipment makes for slow system changes; thus, while advantage must be taken of every new electronic development, the most pressing need is to apply these developments to existing systems, retaining some compatibility, rather than the development of entirely new systems. This particularly applies to the tactical aircraft field.

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Section: Dmand' (16) Is the Civil Distance Measuring System Compatiblementioning

confidence: 99%

Ground-Based Radio Aids to Navigation

Dodington¹

1967

Navigation

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“…The ILS is the fruit of development work complied over a span of 30 years. The work done from 1928 to 1938 was explained in the June 1938, issue of proceeding of the IRE [4,5]. During the arena of World War II ILS had been used for national scheme, and army started the attainment of a compact form of this technique.…”

Section: Introductionmentioning

confidence: 99%

History and fundamental principle of Instrument Landing System (ILS) and technical detailed architecture of ILS transmitter and receiver

2021

J. adv. tec. eng. res.

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In this paper a review is made of the History, Fundamental principle, and Architecture of Instrument Landing System (ILS) RF Circuits in the Receiver and Transmitter Antenna Array. The study was motivated by a need to cater to the increasing availability and use of aerial vehicles such as drones and that the conventional landing system is insuf􀅫icient and risks being overwhelmed, thus this study aims to explore alternative paths and particularly the option of the MLS as a possible cure. The paper describes the Localizer and Glide path of the System. This paper gives small introduction of Microwave Landing System (MLS) and Enhance ILS Category-I Category-II Category-III is used. An additional purpose served by this study is to layout the requirements that an MLS would require in regard to its implementation and what factors would need to be considered by any organization willing to implement the system. The argument is built up by 􀅫irst assessing the existing infrastructure of landing systems; their origins and effectiveness, following this, the advances system such as the MLS are introduced, their current applications and potential are discussed. A comparison is made between the two to highlight the superiority of the MLS. The study carried out in this paper 􀅫inds the limitations in the ILS method as they are only capable of carrying out landing in a straight path and further limited by geography. MLS on the other hand is more versatile and is capable of carrying out multiple landing approaches across multiple curved paths for a single installation. The study examines the advantages of implementing the MLS system in Pakistan.

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“…The development was followed quickly by a series of narrow beam antenna projects aimed at reducing the effects of reflections. These projects are summarized in a special IRE issue (Jackson, 1959). Metz, in the same issue, provides a detailed outline of the ILS history to the year 1959 (Metz, 1959).…”

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confidence: 99%

The Instrument Landing System: Replace it, or Repair it?

Watts¹

1999

J. Navigation

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The Instrument Landing System (ILS), in its present 90/150 Hz format, had its beginnings in the United States and England during the years 1939 to 1945. Since then, it has served the aviation community worldwide. There have been many improvements to cope with ever increasing traffic, crowded airports, and difficult siting problems. There are those who say that it's time to replace the system with newer technology; are they right?

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Improvements on the Instrument Landing System

Cited by 5 publications

References 1 publication

Ground-Based Radio Aids to Navigation

Ground-Based Radio Aids to Navigation

History and fundamental principle of Instrument Landing System (ILS) and technical detailed architecture of ILS transmitter and receiver

The Instrument Landing System: Replace it, or Repair it?

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