CNN CNN Special Report March 24, 2014 02:07:00
Altitude data that we're getting with a lot of caution. a number of reasons for that, don. the first one is that the evidence we have so far suggests the transformer was turned off or the transponder was off. there is a number of reasons that could happen, i won't go into that now. the bottom line is the transponder gives you position, attitude, speed and information. if that was off, you won't get altitude information from primary radar. primary radar drops off at 125 miles off the coast anyway. secondly, surveillance radar with the transponder drops off at 200 miles. my question on how they'...
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