GPS2K? GPS Week Rollover April 6th 2019
Does not quite have the same significance as 31 December 1999, but I’m sure someone in the mainstream press will soon draw the parallels with Y2K with stories of Airliners getting lost or Trading systems failing due to timing errors, April 6th 2019 is the date when GPS systems reset !
Actually for the second time the week code broadcast as part of the GPS signal is resetting back to zero.
The GPS system uses 10 bits to store the GPS Week Numbers starting from 6th January 1980, so every 1,024 weeks (approximately every 20 years), the GPS Week Number rolls over from Week 1,023 to Week 0, this is known as a GPS Week Number Rollover. This has already occured on August 21, 1999 but that was before the explosion in the use of GPS is smartphones, drones, buses etc.
There are efforts happening across industry to make sure that disruption is minimised, but there may be issues with older GPS receivers and smartphones .
With modern connected devices firmware updates can be applied without to much effort, I remember because I’m had one Garmin and Magellan sending out RS-232 cables and CD-ROMS to update their receivers in 1999 !
In summary look out for firmware updates and “Don’t Panic !”
Never have so many people understood so little about so much…
What inspired you as a child ?
A child today hopefully seeing the exploits of Elon Musk and Space-X launching and recovering rockets with showmanship seldom demonstrated by serious rocket scientists may have their interest sparked in science and technology?
Personally my love of technology came yes from rocket science, but also crucially from growing up during a golden age of science broadcasting in the 1970’s when well informed specialist correspondents were on our TV screens it seemed every day.
Reginald Turnill, Patrick Moore and Raymond Baxter had both huge experience and knowledge in the fields of aviation and astronautics but were also great story tellers explaining often complex issues without the dumbing down so common today.
For me however the greatest of this generations was James Burke. Watch here his truly breathtaking live commentary of the Apollo 13 re-entry – a masterclass in explaining what is happening to the viewer during an incredibility tense few minutes.
I was too young to really remember Apollo 13 however in 1978 James Burke wrote and presented his seminal series Connections to try and explain how technology had come to play such an important part in society, in the first episode of the series he paraphrased Churchill to make the point as relevant today as it was then…
Never have so many people understood so little about so much…
I loved this series, Burke does a masterful job linking technological developments over 10,000 years to explain the modern world – imagine my joy on finding that the series had be re-released last year and is available on Amazon.
Let me show you why I am so gushing in my praise of James Burke…
Watch below perhaps the greatest “piece to camera” every filmed from Episode 8 of the series, here James Burke explains the connection between the invention of the thermos flask and landing on the moon.
Make sure you watch to the very end !
Eat your heart out Brian Cox !
The next Steve Jobs – and then some!
Once the recognised industry visionary was without doubt Steve Jobs, the ultimate showman – the man who claimed to want put a dent in the universe by creating technology so well designed and well of course marketed that it’s introduction would change society.
Take for example..
- Apple II
- Apple Macintosh
- Apple iPhone
Now without Jobs, Apple seems to be turning away from technology and becoming a fashion brand, producing so-so technology with added “bling” to appeal to celebrities, the evidence m’laud.. The new Macbook in Gold and the Apple Edition Watch.
Now as an Apple Fanboy that’s was a difficult point to make.
The new tech visionary I and others identify is Elon Musk CEO of Tesla and Space-X, who rather than just building consumer electronics is working on the slightly bigger challenges of carbon free transport/power generation and rocket science !
And he comes across as a straightforward humble guy, as demonstrated in yesterday’s launch of his domestic battery system – the Powerwall.
If you have kids and you want to show them someone to admire as an alternative to Sports stars, celebrities or (unlikely) politicians show them this video, and read his Wikipedia entry.
Posted from the Dali Lounge, Barajas Airport, Madrid .
10 years ago today at 50,000 feet !
At just after 9:00 am on the 29th May 2003, I achieved a lifetime ambition and flew Concorde ! Concorde had six months of service remaining with British Airways so the rush was on for fellow Aviation geeks to organise the trip of a lifetime.
The journey was perhaps the last occasion that I could describe as an example of glamorous air travel. The dedicated Concorde lounge at JFK’s Terminal 7 had a real buzz about it, although the usual compliment of banker and celebrity passengers was supplemented my people such as myself who were here for the ride..
Clearly visible through the wall to celling windows was the flagship of British Airways fleet, G-BOAC. After the obligatory glass of champagne it was time to board and I took my seat 6D inside as everyone says the rather cramped cabin, similar to a modern Embraer E jet .
I had specifically chosen to fly back from New York to London on flight BA002 as my Concorde experience for what happened next.. Anyone who flew on Concorde will tell you the take off was like no other experience after all it was the only commercial airliner to take off using afterburners ! But the take off from New York was even more special, because of the need to carry out noise abatement procedures very quickly after take off, Concorde made a hard left turn, enough to make you feel both pushed down and back into your seat from the acceleration – very roller-coaster like !
This video give you some sense of this unique departure..
Very quickly after take off the afterburners are switched off and there is a noticeable deceleration and reduction in noise. After a few minutes and another glass of Champagne and canapés, it was time to really get going.. the Captain made a short announcement switched on the afterburners again which felt like a kick in the back and we rapidly accelerated to Mach 2.0 1330 MPH and an altitude of 56,000 feet.
At such a speed and altitude there was no real impression of speed, other than perhaps from the heat felt when touching the small windows, the heat a product of air friction.
Looking out of the window produced a view quite different to the 747 flying only half as high as Concorde. The sky was much darker and it is possible to just about see the curvature of the earth, and the thin blue line which represents the vital but very fragile part of the atmosphere in which we all live.
I will never in all likelihood be as high or travel as fast again in my life as I did for those couple of hours ten years ago, indeed the captain made the point at that moment there were only five people higher than the 100 passengers in Concorde, and they were on the International Space Station !
I completely understand the economics of why Concorde no longer flies, but is still seems wrong that the technological masterpiece on which I flew now sits in a Museum at Manchester Airport !
Written and submitted from home (51.425N, 0.331W)