A Journey Through Time… · –Telecoms, Mobile Phones –Power –Financial Transactions...
Transcript of A Journey Through Time… · –Telecoms, Mobile Phones –Power –Financial Transactions...
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From Light Years to Nanoseconds
…A Journey Through Time…
Prof. Charles Curry, BEng, CEng, FIET Founder & Managing Director
Chronos Technology Ltd www.chronos.co.uk
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Journey Through Time
Components of Time
Time in Everyday Life
When Time goes wrong!
Measuring Time
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Journey Through Time
Components of Time
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Components of Time
Time of Day
Timing
Phase
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Essen’s Caesium 1955
Essen – the Father of UTC – Universal Coordinated Time
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Light Years
6 Trillion Miles!
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Leap Seconds
Leap Years
Julian Year
Sidereal Day
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Speed of Light
299,792,458 m/s
~186,000 miles/s
E=mc2
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104 103 102 101 1 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-9 10-10 10-11 10-12 Wavelength
(Meters)
Gamma Rays Radio Waves Infra Red Ultra Violet
Visible Light
Microwaves X-Rays
105 106 107 108 109 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 Frequency
(Cycles per second)
AM Radio -198 kHz
FM Radio 90-100 MHz
Nuclear Radiation
Medical X-Ray Machines
Licence Free Radio WiFi/DECT 2.4 GHz
Licensed Microwave Links 7-38 GHz
Radar
Ku-Band Satellite
A Full Stop “.”
Cosmic Rays
eLoran 100 kHz
GNSS 1.2 – 1.6 GHz
Microwave Oven
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Journey Through Time
Time in Everyday Life
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Time in Everyday Life • Location and Positioning
– Radar, SatNav
• Timing in:
– Telecoms, Mobile Phones
– Power
– Financial Transactions
– Broadcasting
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GPS/SatNav Nanoseconds are important
Real time 3D Positioning
Other Systems
Vulnerabilities
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Telecoms
Traffic Speed
Highway Lanes
Traffic Jams
Car Colours
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Mobile Phones Smart Phones
GSM/CDMA/LTE/4G
Time
New Services
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Journey Through Time
When Time goes wrong!
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When Time Goes Wrong Late or Early?
A World without SatNav?
Back to Sextants, Compasses and Maps
No Communications
No Radar
No Time-Stamps on Data
No Traceability
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Space Weather
Suns Spots & Solar Flairs
Aurora Borealis
11 Year Solar Cycle
Carrington Event
Electricity Grid
Satellites
Telecoms
GPS
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SatNav Jamming
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GPS Spoofing
GPS Story Spoofed by BBC Hacks
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Journey Through Time
Measuring Time
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Measuring Time
Test Equipment
Metrics
Nanoseconds
MTIE, AVAR
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My Lab at Chronos
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Scientist or Engineer? “The only reason for time is so that everything doesn't happen at once”
“The only way of discovering the limits of the possible is to venture a little way past them into the impossible”
“Engineers deliver Scientists’ bright ideas”
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From Light Years to Nanoseconds
…Back to the Present!
Prof. Charles Curry, BEng, CEng, FIET Founder & Managing Director
Chronos Technology Ltd www.chronos.co.uk