Originally Posted by
mach2.6
The TDWR (terminal doppler weather radar) are higher frequency radars (with higher resolution), deployed in the years after the Delta L1011 crash at DFW, to paint windshear and hook echoes.
The Delta L1011 DFW crash was 35 years ago so these TDWR radars are probably 'new' technology by FAA standards since they were developed in the early 1990's. I had an ATC supervisor on the jumpseat a few years ago and he said they were still ordering Pentium computers to run Windows 2K.