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Useful Links and Information - Page 4


Artist conception of a Satellite Type IIF of the GPS constellation.

This is page 4 of useful GPS Links and News items.

Page 1  Page 2  Page 3

Geocaching- here now! Latest GPS and related News below:

21 December 2007 - A LEADING supplier of satellite navigation equipment for cars and boats has been slapped with a $1.25million fine for its "aggressive and high-handed" price maintenance strategy imposed on resellers of their products. The Australian Competition and Consumer Commission (ACCC) brought the action under Section 48 of the Trade Practices Act. Federal Court Justice Peter Jacobsen said that Navman, which now trades as AusHoldco, prevented or discouraged retailers from discounting prices for almost four years to the end of 2004. The judge said the $1.25million fine recommended by the ACCC was "at the very bottom of the permissible range", and could have been justifiably higher.
The penalty imposed on Navman Australia last week is one of the highest for resale price maintenance. In relation to its PCN (personal consumer navigation) products, Navman particularly sought to prevent discounting below specified prices by retailers via the internet. Navman said it tried to stop small retailers from cutting prices on navigation systems in order to "avoid complaints from some of its larger retail customers, about the prices of other (smaller and internet) retailers". Justice Jacobson said Navman's attempts to force retailers to sell only at a price level set by the company was "a manifestation of price fixing among retailers".


Beyond the bounds of their own localities, and going literally to the edge, seamen transformed the known face of our world. Over thousands of years, they have recorded the planet, and given us the basis for our modern positioning and mapping systems. In Australia 2006, we saluted the forerunners to our modern navigators and users of GPS.

"Australia on the Map: 1606-2006" (AOTM) commemorated the 400th anniversary of the first Europeon contacts with the Australian continent. The discovery of New Holland (now Australia) was propitiated by the Dutch East India Company, who purposefully sought new lands where gold and other precious minerals and spices might be found. The first venture in 1606 has become a landmark in Australian history, when Company captain, Willem Janszoon, mapped a section of the west coast of Cape York.

400 years since first European contact was made with Australia.

The original Australians, the ancestors of our current Aborigines and Torres Strait Islanders, were here long before the 1600s. But historical records refer to the voyage of Willem Janszoon in the vessel Duyfken to west Cape York in about March 1606. Here he made a chart of the coastline. A few months later Torres led an expedition through Torres Strait, establishing that Australia was separate from New Guinea. Within 40 years, Dutch sailors had mapped the whole of the Australian coastline from Cape York, westward to Arnhem Land (named after one of the Dutch ships) and Port Hedland, south to Cape Leeuwin, and east to Fowlers Bay at Longitude 132 deg, 30' E (now in South Australia). By 1643, Abel Tasman had also charted much of Tasmania, and went further to explore New Zealand and the eastern end of Papua New Guinea. It remained for an English sailor, James Cook, in HMS Endeavour, to map the eastern coast of New Holland more than a century later, in 1770.

Note from Kimball Thurlow: As I have said elsewhere, the advancements made in sea-going navigation, contributed to the explosion of immigration and trade over the last two centuries. GPS, while a truly global system, is creating micro-positioning advancements. Just think of some current applications, like using GPS to help your way around a golf-course, portable navigation for vehicles even though you only travel in the suburbs, and survey and engineering work where pegs are placed to an accuracy of a few millimetres.

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One of the operations most worthy of our support is the Royal Flying Doctor Service in Australia (RFDS). RFDS is a not-for-profit charitable service, and is dedicated to providing 24 hours Emergency Service in many remote situations. Here are two of the fundamental services. :
1. Provision of emergency health services to victims of illness or accident who are in a serious or potentially life threatening condition.

2. Primary Healthcare Clinics at Remote Sites: Regular clinics at isolated sites are conducted by RFDS doctors, flight nurses and other specialised health professionals and in some cases State health practitioners. Services include, but are not limited to, routine health checks and advice, immunisation, child health care, dental, eye and ear clinics.

Many people will automatically choose GPS to assist them in outback travel, and the RFDS uses aircraft fitted with specialist aviation GPS. Because the RFDS has many years experience in long range travel and knows the country better than most, they offer some travel tips. I quote their web-site. "Exploring the beauty of Australia away from the cities can be quite an adventure but we urge you to pay attention to some safety tips and general information which should make your trip more enjoyable and very importantly - safer."

RFDS real life stories

The Age newspaper on 24/11/04 featured a great story about the NSW/Victoria border point near the head of the Murray river.

The Age reported that the Institution of Surveyors had restored the cairn marking the border point, and they had checked the position with new survey GPS. What the Age could not tell you, (we have an exclusive), is that two Garmin Legend users were at the famous spot at the same time as the surveyors. Here are their words (with acknowledgement to Izzy Perko of NSW). Photo at left shows Collin astride the stone border line - with one foot in each camp- typical Gemini star sign?

A group of surveyors were there exactly when we turned up. I must admit it was a bit of a shock seeing all these vehicles belonging to the surveyors parked on a remote National Park fire trail. One of them said that the modern day measurement were within 12mm of Black & Allen's (the two original colonial surveyors commissioned to do the job in 1870) calculations. As luck would have it, the original border marker (possibly from stone carted all the way from Scotland) was uncovered from underneath the 2m high stone cairn ("Cairn 1") on nearby Forest Hill.
Also, too, with the Garmin, we have done a few confluence points ( www.confluence.org ) here in Australia. We were the first ones to capture and photograph: 15° S, 132° E, in the NT, see my story at this link. We were also first at 29°S , 144°E (NSW); 28°S , 144°E (Qld); and 27°S, 141° E (SA) – all with the Garmin Legend prominently displayed in all the accompanying web page photos.
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See how position can be recorded correctly.


Links for Outdoors Activities

Theory and Practice of GPS 

  Testimonials to our business and Products

  Catalog and Price List

GIS software for PocketPC

  Garmin USA

Leica Geosystems website

Omnistar Survey DGPS service

TomTom

 Geoscience Australia - our national mapping agency

A University GPS Link (and links to others)

  Space Today Online- Resources for Education

 GME Australia (Garmin Importer/Distributor)

Australian Maritime Safety Authority (AMSA) DGPS Service

  NGS (National Geodetic Service) USA

  Geocaching- fun for all the family.

  Applications for GPS- lists all sorts of uses and ideas

  Australian Government Office of Spatial Data Management


Location
I get many requests to explain the different numbers used by different GPS at the same location. This is a valid and sensible question, and there are easily understood answers. You may also wonder about terms such as UTM, datum, position format, grid, and true north. My customers get free assistance with these, and any other matter relating to their purchase, and the use of the GPS. If you have not done business with me before, you are welcome to get my advice over the phone for a fee, usually $22 for a one-off. Or I can offer a contract price for advice over an extended period.

Information on GPS conferences can be gained by visiting http://www.gpsworld.com.


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