13 November - Mountaineers
use GPS to establish new height for Mount Everest.
30 October - Satellite manufacturer Orbital
Sciences Corp. restates
earnings results - may mean $60 million
loss. The company's
products include the Magellan
series of GPS receivers.
12 October - Indonesian
border disputes may be alleviated
8 October 1999 - New GPS
20 September 1999 - GPS satellites
live longer than expected.|
5 September 1999 - When GPS meets cell
phones, will you want to be found?|
1 September 1999 - GPS will help
navigate planes, but not until over
a decade from now.|
23 Aug 1999 - Japanese news sources report that several
manufacturers of car-navigation systems were indeed bitten
by the GPS1K bug. The companies have been fielding thousands
of calls and repairing units to beat the problem. In Hong Kong,
more than 3,000
vessels "vanished'' from GPS screens, but no accidents were
reported due to the 12-second outage. In California,
scattered outages affected some cars and a few boaters.|
22 Aug 1999 - U.S. Air
Force deems GPS rollover a success
problems reported, despite the many mainstream,
non-military uses for GPS. Some Japanese
users of automobile
navigation systems reported screens blanking
out or locking up. The smooth transition may provide hope
for an equally easy Y2K (yeah, right!)|
You can report any problems or
The U.S. Naval Observatory
posts daily status
updates on all 29
satellites (2 out of service) here.
21 Aug 1999 - The GPS rollover problem
hits tonight at midnight GMT (8PM EDT)! The world's 27 global positioning
satellites record time
by counting the weeks that have
passed since they were launched in 1980. The
weeks fill up a counter which can count up to 1024 (this is why some
refer to this problem as the "GPS1K bug"). At
midnight, the counter
will be full and reset to zero - known as "End Of Week"
(EOW) or "Week
Number Rollover" (WNRO). Equipment that uses
the GPS signals may malfunction if it can't understand the EOW
rollover (which has never happened before). Receivers manufactured
before 1994 may be especially
susceptible to the GPS1K bug. The U.S.
military has stated that the satellites themselves should be unaffected. If you have a GPS receiver, you should contact
the manufacturer to see what action
you need to take. Lots of GPS links here.|
Forget the Y2K bug - what about the GPS1K
bug?!? The Global
Positioning System is rolling over on its 1024-week
cycle. Will we be lost without this vital service?
Here is an excerpt from the Binomial Disaster Recovery Newsletter of
6 Aug 98. One of their readers wrote in about...|
"...an incident that occurred in the spring of 97
when one of the Air Force's GPS satellites malfunctioned and broadcast
the wrong time signal for a brief period which had an unexpected effect
on various cellular and PCS carriers across the country.
In chasing down what had happened, I had occasion to speak to an official at
DoD's National Communications System. DoD was, of course, aware of the problem with the satellite but
they had no idea that the telecomm industry made such extensive use of the
GPS system. There were procedures in place for the AF to notify fliers and
seamen of problems or planned outages but nothing in place to alert the
telecomm industry or the public at large. They are doing better now and
they have been very forthcoming with information, available to the public,
with regard to the EOW Rollover and Y2K problems which face the GPS user
community in August and December..."
International, Inc. specializes in Business/Disaster Recovery
Planning (DRP) and publishes a semi-regular newsletter of interest
to Information Technology professionals.
GPS available - with built-in maps!
GPS article from PC Week here.
Articles on GPS Y2K testing and the EOW rollover can
be found in Federal
Computer Week and Computerworld.
New chips will GPS-enable
cell phones and smaller devices like lockets
U.S. Space Command shuts down some GPS signals available to civilian
users to stop providing sensitive data on GPS
satellite whereabouts - in Federal
GPS shows Washington
Monument taller than previously thought.
DoD to add anti-jamming
signals to protect GPS systems from enemy attack.