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Web ChangesThis is where we'll announce the most recent additions to our web site. If you've visited us before and want to know what's changed, take a look here first. We'll be updating this web site with additional information soon! 6 April 2006 Model VT-1 options now include a digital compass / tilt sensor. This is useful for floating platform applications and on land, too. Measurements of heading, pitch and roll are digitized and included in the sodar data record. The sodar software has been enhanced to monitor the variations of heading, pitch and roll and exclude wind data during pulses when the system was not level or steady. 28 February 2004 Model VT-1 Specifications revised to reflect new lower power draw (only 40 watts)! 26 September 2003 Added Photo Album showing various installations of Model VT-1. 20 September 2003 Added page discussing vector and scalar averaging of wind data and some of the implications for sodar. 8 September 2003 Added page showing enclosed trailer mounted system with retractable roof, onboard solar power system, telescoping 10-m tower, anemometer and wind turbine. 2 August 2003 Added page discussing the Correction of Sodar Tilted Beam Measurements for Vertical Speed. 20 June 2003 Added page showing the Secondary Quality Control Options that are now available with the Model VT-1 sodar. 17 June 2003 Added page showing the Internet Options that are now available with all Model VT-1 sodar systems. 31 May 2003 Added page showing the precipitation switch that is now standard with all Model VT-1 sodar systems. 23 May 2003 Added page showing the results of wind data from the Model VT-1 Sodar compared to wind data from a collocated tower equipped with anemometers. 8 February 2003 If you submitted a request for information via our website between mid-December and early February 2003 and did not receive a response, please submit your request again. We experienced a website malfunction during that time and some of our email was not properly delivered to us. 30 September 2002 Added page For Your Information (FYI), which discusses specific issues related to sodar design, operation and application. Added FYI discussion of sodar vertical resolution. 5 April 2002 Added pages showing the displays for SodarTools Calibration System modules (PulseCheck, MakeTone and Transpond). 22 March 2002 Added page displaying Declaration of Conformity. 22 March 2002 Added page listing Authorized Representatives. 12 February 2002 Added graphic showing optional Anemometer. 24 January 2002 Added graphic showing optional Data Acquisition Module. 1 September 2001 Added web page describing optional Data Acquisition Module. 31 August 2001 Added web page listing Model VT-1 hardware options. Added web page describing Reflector Board Heating System option. Added web page describing Rain Gauge Sensor option. 3 August 2001: Added graphic and brief discussion of the load controller used to regulate power supplied to the Model VT-1.
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