Software to stream CORS RTK corrections is available for Windows Mobile smartphones and laptop computers. This software is known generically as Networked Transport of RTCM via Internet Protocol (NTRIP) software. The phone or computer can be used for other purposes (except voice calls) when retrieving RTK correction signals.

InTime Connection

InTime Connection enables a Windows Mobile smartphone, such as HTC 6800 or 6900 models, to stream CORS correction data to major RTK receiver brands. The software allows viewing of weather, e-mails and text messages while streaming CORS data. The software also allows radio-based RTK base stations to be converted to Internet streaming. The retail price of $2,495 includes cabling for a specific receiver, an external antenna and a 3W cell phone booster amplifier. Call 866/843-0235 or visit www.gointime.com.

RTK Connect

RTK Connect also is designed for use with Windows Mobile smartphones. It can be programmed with settings for multiple CORS networks for growers operating near the borders of states with separate CORS networks. The suggested retail price is $1,995. Call 507/582-1477 or visit www.rtkconnect.com.

Free software

Free software to stream CORS corrections to an Internet-connected computer also is available from various sources. A list of software options is available at igs.bkg.bund.de/ntrip/ntrip_down.htm.

Lance Lefebure

Iowa farmer Lance Lefebure developed a free software program that is compatible with computers with Windows 2000 and newer operating systems. The software has large buttons and type on a black background to improve viewability day or night. Visit www.lefebure.com/software or send an e-mail to [email protected].