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| 2007 News Releases and Information |
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PRECISION GUIDANCE SOFTWARE ENHANCEMENTS FOR JOHN DEERE STARFIRE iTC™ RECEIVER
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LENEXA, Kansas (August 23, 2007) — As more producers use precision guidance to lower input costs, save fuel and reduce passes in the field, John Deere continues to enhance software to bring more value and accuracy when using field equipment. Two new improvements include Long Range RTK, which expands the working distance of a vehicle from the base station, and Shading Optimization, which enhances AutoTrac™ performance in partially shaded conditions.
| StarFire iTC Software
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"Precision guidance technology continues to improve with better software to allow greater accuracy in variable field conditions," says Kayla Reynolds, product marketing manager, John Deere Ag Management Solutions. "Our previous version of StarFire™ RTK had sub-inch accuracy but was limited to a six-mile radius from the base station. The new Long Range RTK software now maintains the accuracy but allows a twelve-mile radius from the base station."
Operators will receive sub-inch accuracy at a greater distance to receive even more value from the RTK system. As with all RTK systems, in order to gain such accuracy, the vehicle must have a line of sight to the base station. Many operators, dealers and networking groups have set up base stations on towers to enhance the line of sight needed for this technology.
"We've also developed Shading Optimization software for our AutoTrac SF1 and SF2 systems," explains Reynolds. "Barriers such as trees, buildings or other structures are a problem for all guidance systems because they disrupt the satellite signal to the vehicle, especially during headland turns. Shading Optimization allows AutoTrac to stay enabled when moving through areas with trees and windbreaks."
The AutoTrac guidance system usually needs a stable signal from the L1 and L2 bands. Previously, the system would shut down if one signal was missing because of shading. The new Shading Optimization continues to "AutoTrac" even if the StarFire iTC Receiver is receiving a signal from the L1 band only. This adds more consistency and accuracy to optimize the AutoTrac system.
"Signal disruption can still be a problem if both the L1 and L2 bands are lost," says Reynolds. "But we've helped improve the overall system with the enhanced Shading Optimization software."
For more information, contact your local John Deere dealer or visit our Web site at www.JohnDeere.com/Ag.
John Deere (Deere & Company - NYSE: DE) is the world's leading provider of advanced products and services for agriculture and forestry and a major provider of advanced products and services for construction, lawn and turf care, landscaping and irrigation. John Deere also provides financial services worldwide and manufactures and markets engines used in heavy equipment. Since it was founded in 1837, the company has extended its heritage of integrity, quality, commitment and innovation around the globe.
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Media Contact:
Barry E. Nelson
Manager, Public Relations
Agricultural Marketing Center
Lenexa, KS 66219-2302
Ph: 913-310-8324
Fax: 913-310-8394
E-mail: NelsonBarryE@JohnDeere.com
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