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A comment on Feds: There are hostile stingrays in DC, but we don’t know how to find them. Parent comment

Re:Feds: There are hostile stingrays in DC, but we don’t kno... by PeterisP on Tuesday April 03, 2018 @07:17PM (#16750343)
The other explanation is very low power / short range e.g. femtocells. If a Stingray-like device is affecting a single building or the like, targeting a particular person, it likely won't be noticed by anyone.
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Re:Feds: There are hostile stingrays in DC, but we don’t kno... by walrus01 on Tuesday April 03, 2018 @07:56PM (#16750607)
Something strong enough to get a whole building full of phones to ping it most certainly can be found by a $70,000 spectrum analyzers and trained RF engineer.
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Re:Feds: There are hostile stingrays in DC, but we don’t kno... by bigiain on Tuesday April 03, 2018 @08:10PM (#16750685)
Hell - I bet you could find that with a $12 RTL-SDR and a home built antenna plugged into your laptop - if you were curious and suspected there was one nearby...
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Re:Feds: There are hostile stingrays in DC, but we don’t kno... by uabstraction on Tuesday April 03, 2018 @10:17PM (#16751340)
Never underestimate the amateur radio community. They hunt down radio pirates, emitters of interference, and hidden beacons for FUN! With the right antenna and a halfway decent receiver, it is not too difficult to hunt down the source of a transmission.

https://en.m.wikipedia.org/wiki/Transmitter_hunting

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