In comparing Garmin GPS receivers, it is important to distinguish the ones that have only a USB interface from those that have serial (or both serial and USB) or Bluetooth interface. Check the specification page for the GPS receiver before buying to determing which type of interface(s) it has.
Trimble Gps Configurator
Click to expand.Cody -The Trimble Placer 450 and 455 GPS units are great surplus.Trimble 450/455 DatasheetThe Placer 450/455 units provide:. 8-channel GPS receiver. TAIP, TSIP, RTCM SC-104, NMEA 0183 message format. RTCM SC-104 input (Placer GPS 455 only).
Usb Receiver Driver Error
MAP27, CDPD, APCO25 and transparent communications protocol support.FleetVision® fleet management software supportTrimble Placer 450/455 - Operation and Installation Manual - 178 Pages!HOWEVER, they are not Plug-N-Play with your Kenwood - That is why some radio amateurs love the experimentationand DIY build side of the hobby. We are the science and radio GEEKS of the Big Bang TheoryeHam.net reviewsAA6NV installation and usage of Trimble 450/455The Answer!Your Kenwood TM-D700 desires the message format from the Trimble GPS to be in NEMA 0183 (National Marine Electronics Association)By default, the Trimble sends out the TIAP message format (Trimble proprietary) as a factory default -you have to program / configure the Placer 450 with the Trimble PC software (GPSSK) to output NEMA messages! Click to expand.Cody -Before we go very far DOWN this road - be absolutely sure you have correctly checked you computer (another serial/usb device???)and that you have connected cables to the correct PORT on the Traimble Palcer 450. Eliminate the Homer Simpson/Carmen mistakes.Then, the problem may be with your Trimble Placer 450 - not talking via its serial ports.Well, the next question is - Did these Trimble Placer 450 units EVERY work? Where did you get these units?