[HN Gopher] Altitude estimation of RF interference sources via i...
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       Altitude estimation of RF interference sources via interferometric
       corrections
        
       Author : bookofjoe
       Score  : 10 points
       Date   : 2025-02-24 12:10 UTC (3 days ago)
        
 (HTM) web link (www.cambridge.org)
 (TXT) w3m dump (www.cambridge.org)
        
       | Gys wrote:
       | > We conduct a preliminary study using a two-minute observation
       | from the Murchison-Widefield Array (MWA) in which an unknown
       | object briefly crosses the field of view, reflecting RFI signals
       | into the array. By applying near-field corrections that bring the
       | object into focus, we are able to estimate its approximate
       | altitude and speed to be 11.7 km and 792 km/h, respectively. This
       | allows us to confidently conclude that the object in question is
       | in fact an airplane.
       | 
       | Very cool.
        
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       (page generated 2025-02-27 23:01 UTC)