T801-4 Installation and Operation Manual 7© Tait Electronics Limited September 2007Associated DocumentationThe following associated documentation is available for this product:■ The Dalman 40742 GPS antenna/receiver manual is provided in PDFformat on the Product CD.■ Additional GPS information is available on the Dalman website(www.dalmants.co.uk/GPSRx/GPSRx-HintsTips.html).■ Additional information on the Trimble Bullet III active antenna isavailable on the Trimble website (www.trimble.com/bullet3.shtml).■ T805-26-0000 Remote Site Unit Service Manual (MNA-00016-xx,Chapter 4).Technical notes are published from time to time to describe applications forTait products, to provide technical details not included in manuals, and tooffer solutions for any problems that arise.All available T801-4 product documentation is provided on the Product CDsupplied with the unit. Updates may also be published on the Tait TechnicalSupport website (www.taitworld.com/technical).AbbreviationsAbbreviation DescriptionCTCSS Continuous Tone-Controlled Squelch SystemDAC Digital-to-Analog ConverterDCE Data Communications EquipmentDOP Dilution Of PrecisionET Engineering TerminalGGA GPS fix dataNMEA 0183 data messageGPS Global Positioning SystemGSA GPS DOP and active satellitesNMEA 0183 data messageGSV GPS Satellites in ViewNMEA 0183 data messageNMEA National Maritime Electronics Association(www.nmea.org)NMEA 0183 a standard which specifies the messaging format used forcommunicating with marine devices/components(www.nmea.org/pub/0183)PMR Private Mobile Radio