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datatrak:references [2020/05/31 15:26] – [System (general)] philpem | datatrak:references [2022/05/17 00:44] (current) – [System (general)] philpem | ||
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====== References and information sources ====== | ====== References and information sources ====== | ||
+ | |||
+ | ===== Books ===== | ||
+ | |||
+ | * Sonnenberg, G.J. (1970). **Radar and Electronic Navigation**, | ||
===== Hyperbolic receivers -- Decca ===== | ===== Hyperbolic receivers -- Decca ===== | ||
- | * {{anchor: | + | * Last, J.D., Linsdall, D.K. (1984). **Automatic microprocessor-based receivers for the Decca Navigator system.** Radio and Electronic Engineer 54(7), p. 281-289. DOI: 10.1049/ |
- | * {{anchor:Fisher1993}} Fisher, A.J. (1993). **Microprocessor-based Decca Navigator Hyperbolic Radionavigation Receivers.** Report YCS 194, Dept. of Computer Science, University of York. \\ Online: https:// | + | * Fisher, A.J. (1993). **Microprocessor-based Decca Navigator Hyperbolic Radionavigation Receivers.** Report YCS 194, Dept. of Computer Science, University of York. \\ Online: https:// |
* Based on Last's design. Measures position from the " | * Based on Last's design. Measures position from the " | ||
* Includes location algorithm which may also be useful for Datatrak. | * Includes location algorithm which may also be useful for Datatrak. | ||
- | * {{anchor: | + | * Fisher, A.J. (1998). **A Test-Bed for Low-Frequency Radionavigation.** \\ Online: https:// |
+ | * Fisher, A.J. (1993). **New algorithms for hyperbolic radionavigation.** Radar and Signal Processing, IEE Proceedings F. 140(2) p. 145-152. DOI: 10.1049/ | ||
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==== System (general) ==== | ==== System (general) ==== | ||
- | * Banks, K. M. (1989). **DATATRAK Automatic Vehicle Location and Position Reporting System**. In: Conference Record of papers presented at the First Vehicle Navigation and Information Systems Conference (VNIS ’89), 0. IEEE. \\ Available from: <http:// | + | |
+ | | ||
* Includes a lot of information about the 16-slot and 24-slot navigation slot structure, and the UHF back-channel. | * Includes a lot of information about the 16-slot and 24-slot navigation slot structure, and the UHF back-channel. | ||
* Also includes information on what can be assumed to be the Mk1 Locator (68008 processor, -110dBm RF sensitivity) | * Also includes information on what can be assumed to be the Mk1 Locator (68008 processor, -110dBm RF sensitivity) | ||
+ | * Banks, K. M. (1991). **Datatrak automatic vehicle location system in operational use in the UK**. In: Vehicle Navigation and Information Systems Conference, 1991, IEEE. \\ Available from: https:// | ||
+ | * Expands on Banks' earlier (1989) paper, giving more information on system accuracy and the setup of the navigation transmitters. | ||
+ | * Contains some information on the versions of Datatrak Locator hardware available at the time, apparently Mk.I and Mk.II. | ||
+ | * Installation cost is quoted as being under £1,000 in 1991, equivalent to roughly £2,195 in 2020. | ||
* Hofmann-Wellenhof, | * Hofmann-Wellenhof, | ||
* Good summary of Datatrak. Explains the network structure, the 150km blanking distance, and the three-step (super-coarse, | * Good summary of Datatrak. Explains the network structure, the 150km blanking distance, and the three-step (super-coarse, | ||
* Scorer, T., & Last, D. (1995). **The Current Status of the Securicor Datatrak System**. Journal of Navigation, 48(2), 204-214. doi: | * Scorer, T., & Last, D. (1995). **The Current Status of the Securicor Datatrak System**. Journal of Navigation, 48(2), 204-214. doi: | ||
* Referenced by [[# | * Referenced by [[# | ||
+ | * Scorer, A. G. (1991). **The Development of Datatrak**. Journal of Navigation, 44(01), 37–47. \\ Available from: https:// | ||
+ | * Dawes, S. R. (2001). **Datatrak Network Radio Access Interface Specification**. Datatrak Technical Specification No. T0062. \\ Available from: [[https:// | ||
==== Relevant patents ==== | ==== Relevant patents ==== | ||
- | * Anderson, P.M.: **Dual purpose, low profile antenna**. European patent EP0608992A1. \\ Online: https:// | + | |
- | * Datatrak LF receive / UHF transmit antenna -- microstrip circular patch type. | + | |
- | * Includes circuit diagram with component values. | + | * Datatrak LF receive / UHF transmit antenna -- microstrip circular patch type. |
- | * Hall, P.S.: **Improvements in or relating to microstrip antennas**. European patent EP0174068A1. \\ Online: https:// | + | * Includes circuit diagram with component values. |
- | * More information on the design parameters of circular microstrip patch antennas. | + | * Hall, P.S.: **Improvements in or relating to microstrip antennas**. European patent EP0174068A1. \\ Online: https:// |
- | * Dusseux, T.; Gomez-Henry, | + | * More information on the design parameters of circular microstrip patch antennas. |
- | * Crompton, E.W.: **Mobile transmitter/ | + | * Dusseux, T.; Gomez-Henry, |
+ | | ||
+ | | ||
+ | * De la Salle, Paul G. and Cousins, Nigel J.: **Method and apparatus for determining the position of an object within lanes determined utilizing two independent techniques**. US patent US5402348A. \\ Online: https:// | ||
+ | * Covers the coarse/fine acquisition process and lane estimation. | ||
+ | * Includes information on the three-LOP position error calculation. | ||
+ | |||
+ | |||
+ | ==== Forum posts and anecdotes ==== | ||
+ | |||
+ | " | ||
+ | |||
+ | > A Datatrak mast, eh? I didn't know any of those were still standing.... OT for the 'AM Deathwatch', | ||
+ | > | ||
+ | > The techs downstairs who had been trained to service the Datatrak VHF/UHF uplink units would talk now and again about how the 'RF module' | ||
+ | > | ||
+ | > I would love to have actually seen one, but none came into the workshop in the year I was around as they were, quite literally, bomb-proof. | ||
+ | ===== The future ===== | ||
+ | |||
+ | * Pelgrum, W.J. (2006). **New potential of low-frequency radionavigation in the 21st century** (doctoral thesis). ISBN 978-90-811198-1-8. Online: [[http:// |