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   sci.misc      Short-lived discussions on subjects in t      3,627 messages   

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   Message 3,553 of 3,627   
   JAB to dannyb@panix.com   
   Re: WiFi signals can measure heart rate   
   05 Sep 25 21:47:28   
   
   From: here@is.invalid   
      
   On Sat, 6 Sep 2025 00:52:19 -0000 (UTC), danny burstein   
    wrote:   
      
   >No idea what came of it,   
      
   "EW [electronic warfare] has evolved to the point where even brief   
   radio transmissions can be intercepted and geolocated with deadly   
   precision. Traditional combat radios, particularly those using   
   high-power, high frequency, very high frequency and ultra high   
   frequency transmissions, are especially vulnerable.   
      
   In the invasion of Ukraine, early in the conflict, soldiers using   
   these radios were said to be targeted by artillery strikes within just   
   a quarter of an hour of making a transmission. As EW systems have been   
   refined, however, the time from detection to strikes have been reduced   
   yet further, to a few minutes.   
      
   With every technological leap in EW, military forces must rethink how   
   they communicate. The era of casually using a radio and expecting   
   operational security is very much at an end."   
   https://www.thalesgroup.com/en/countries-europe/united-kingdom/n   
   ws/staying-hidden-digital-battlefield-need-low-probability   
      
   >but the UCSC folk might want to look at that research   
      
   Their citations showed the scientific trail they followed...they have   
   a medical focus.   
      
      
   >could also detect enemy soldiers and help target them...   
      
   See above cite...."One of the simplest, yet most effective ways to   
   reduce detectability, is to transmit at the lowest necessary power   
   level."   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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