Trimble has released a new version of R10 Firmware, version 4.90. This new firmware is for the R10 receiver family only and does not apply to any other GNSS receivers. This new firmware provides improved tracking and measurement in tree canopy scenarios. We recommend all users to install this latest version of firmware.
Please note that this update requires a valid firmware support agreement of: May 2014 or later for all support models. For best results, users should upgrade to Trimble Access 2014.12 or later when using Receiver Firmware version 4.90.