The most portable system available for Boundary Layer and reduced range soundings  The iMet-3150 uses a hand -held UHF receiver and error correcting transmission scheme to make high quality soundings to a nominal slant range of 50 km Completely portable with the smallest footprint of any sounding system on the market Includes an internal omnidirectional UHF antenna - with an extended range antenna option available to boost slant range to 90 km. Uses the iMet-1 radiosonde and the same Windows-based iMetOS meteorological operating system that supports InterMet's synoptic systems