PR41 is a DOS programme that uploads and graphs data from neutron probes. The programme is still supported but has been superseded by Probe for Windows. The latest version of PR41 (4.162) is provided with a separate programme (PRXM - v1.0032) for uploading data and posting readings. DrawJr, a Windows programme, is available for printing graphs.
PR41 will not upload on NT/XP machines.
PR41 can import and display data from weather stations, Diviner2000 soil moisture sensors, and the Trase TDR system. An overview is here, various utility programmes can be downloaded, and application notes are available.