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check this page to see if you have missed out on any new additions to sowacs, or new developments in the world of sensing

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  • Non-contact Soil Water Content Sensors on the sowacs web pages NIR Near Infra Red am Microwave techniques allow surface measurements of water in soil as well as other materials. Other variables can also be measured.. read on. April 2001
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  • www.meteo-technology.com is an excellent lndustry list that provides location and contact information for a wide number of manufacturers of various types of weather instrumentation as well as some soil water and plant water measurement devices. Feb 2001
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  • Irrigation System Management's PRISM - CPM is a complete monitoring and scheduling system Read more about their capacitance based probe, logger and integrated scheduling software on their feature page August 20 2000
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  • Sowacs sponsors "TDR2001---- INNOVATIVE APPLICATIONS OF TDR TECHNOLOGY"
    The Symposium will embrace the diverse and continually growing field of metallic and optical TDR monitoring. Sessions will cover: Rock and Soil Deformation, Soil Moisture, Subsurface Chemical Transport, Leak Detection, Groundwater Level Changes, Optical Fiber Applications, Structural Cracking and Deformation, Instrumentation and Telemetry, Basic Physics
    May 25 2000
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  • Y2K - was your sensor compliant?
    Jan 2000
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  • STREATS ahead
    On the 5th of April 2000, Streat Instruments was acquired by The Garnett Group of Associated Companies.
    STREAT Instruments has supplied instrumentation and process control systems in New Zealand and overseas since 1977.
    May 2000
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  • Adcon Telemetry's feature page introduces their C-Probe and the ease of integration with their wireless datalogging systems. 20 December 1999
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  • Visitors to sowacs front page top 9 per day! 20 October 1999
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  • Automata Inc's feature page details the advantages of their sensors 20 October 1999
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  • Delta-T's feature article on their revolutionary Sigmaprobe for in-situ pore water conductivity measurements! (amongst other items listed in their catalogue) 30 September 1999
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  • The link to the slideshow of a good on-line overview of sensors and soil moisture measurements for Irrigation by Steve Evett. Presented at the Texas Council of Chapters Soil & Water Conservation Society 33rd Annual Meeting, June 15-18, 1999 12 August 1999
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  • AquaProbeTM ceramic tensiometer type sensor web page added to sowacs list 18 June 1999
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  • Suppliers and Links page updated 16 June 1999
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  • IMKO Trime has an extensive website covering their equipment. They also have good definitions of the various methods of expressing soil water content, as well as a comparison of common moisture measurement methods. They also have hidden way into the site a Pdf soil moisture catalog or manuals amongst others. 16 June 1999
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  • Some very good links have been added to the Learning Pages. 16 June 1999
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  • Easy Test in Poland has a website showing their range of TDR sensors and loggers. 28 April 1999
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  • Streat's Aquaflex sensor gets around traditional point measurements by using a long ribbon-like sensor. Developed by Lincoln University over many years, it has now matured has been completed by Streats and has become commercially avialable worldwide. 14 April 1999
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  • MEA (Measurement Engineering Australia)'s feature page at sowacs: MEA's engineering team began work in 1995 to provide a means of automatically logging gypsum blocks, to provide continuous soil moisture measurement. This is the story of that development process and its outcomes.. 1 January 1999
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  • Netafim has the first feature page at sowacs providing information on designing irrigation systems.. So sucessful has their expansion been, that in 1995, the combined production of Netafim’s four plants was 5 billion drippers, with a turnover of $106.5 million. Over 70% of the products were sold internationally. 1 August 1998
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  • Sowacs mailing list members top 400! Mid 1998
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  • The Soil Physics Group at Utah State University developed the program WinTDR '98 program to measure volumetric water content using the Tektronix 1502B/C series Metallic TDR Cable Tester Device. 20 May 1998
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  • Meteolabor's "Lumbricus" diellectric permittivity sensor with a good decription and claimed 1.5% accuracy at all water contents! at http://www.meteolabor.ch/e/lumbric.htm
    For calibration of the measurement place the [neutron probe-like] access tube is filled with liquid nitrogen
    15 May 1998
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  • Sowacs relaunched at www.SOWACS.com 31 March 1998!
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  • homepageSDEC's HMS9000. A French company (address details page) that also makes tensiometers. Some sowacs correspondance.
    March 98
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  • sowacs email discusion list goes MODERATED and CLOSEDlate October 97


    PREVIOUS NEW ENTRIES

    This page contains the previous new entries that have appeared above.

    24 Jan 1997 Reference.com is now archiving the sowacs list! - A chronological list of all sowacs posts is available!!...
    Also try out the searchable database of many the lists, webfora and usenet sites archived there ..

    Reference.COM
    Reference.COM
    28 Nov 95 Leonard Ornstein's Irristat (a new technology of irrigation control that may put us soil water content measurement guys out of business!?!)

    27 Nov 96 The RUBBISH about magnetised water etc!!!

    19 Nov 96 The online abstract of Developmental Technologies' Automated Crop Irrigation System (ACIS)

    8 Nov 96 Hydrotek's new sensor the VDD - that's Velocity Differentiation Domain!
    Email archive post and Hydrotek's [NOW READY] homepage.

    6 November 96 Water Related Library URLs

    30 October 96 Irrigated Forestry around the world.


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    © Bruce Metelerkamp
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    last update : April 22 2001