The Topcon Advanced Multipath Reduction Option 27-000007-03 helps maintain satellite lock in difficult conditions by reducing secondary and reflected signals. Reflected signals can be a major source of measurement error in your GPS positioning solution. This Topcon multipath mitigation system improves the performance of your HiPer GPS receiver. You have a choice of multipath error reduction for GPS L1+L2 or GPS/GLONASS L1+L2 signals (depending on the configuration of your HiPer receiver).
This Topcon HiPer configuration option is delivered as a key code. The Topcon HiPer GPS receiver is sold separately.