Hello:

You have posted some interesting comments on the Shotspotters.  

I have not followed the discussion in whole, so my comment may be redundant.  

Last week, Oakland’s City Council and Mayor voted on measures to limit some aspect of DAC.  Prior to voting on the bill, City Council presented the testimonies of representative of both Oakland’s Police and Fire Departments.  Of interest, the representative from the Oakland Police Department disfavored continued use of the Shotspotters.  He also disapproved of activating (tuning on) certain Shotspotters that are installed and on-line, but not green-lighted for operation.  

I do not know the reason that OPD seeks to not use the Shotspotters, but I would assume there exists certain technical glitches or other things the do not aid in crime prevention or the capture of shooters.

On reasonable belief, some Shotspotters are in place at the Oakland Port.  I believe these devices will remain operable throughout the next budget year.

IM

  
On Mar 14, 2014, at 4:00 PM, Pete Forsyth <peteforsyth@gmail.com> wrote:

I think there are significant principles in here, maybe on everybody's mind but not called out specifically: if data is made available to the public, rather than made available only to the police, it's much more palatable. In either case, it's important that individual privacy not be infringed beyond some certain point. If all the data is public (and presented in a way that is structured & useful to the public,not some PDF report) then it's easier for everybody to see whether it is done in a way that respects individual privacy in appropriate ways.

Pete
[[User:Peteforsyth]] on the wiki


On Fri, Mar 14, 2014 at 3:49 PM, Marc Juul <juul@labitat.dk> wrote:
If combined with a lightning detector and an acceleromter it could pinpoint lightning, earthquakes and large trucks. Also noise pollution mapping. Also add speakers and you could use it in reverse to get steer cops around oakland like a laggy rc car parade.


On Friday, March 14, 2014, Jake <jake@spaz.org> wrote:
i can't tell if you replied to the list or just privately to me.

that sounds like it would be fun, but it would be more worthwhile if there were a larger goal to be accomplished, ideally with funding.

it wouldn't be trivial - what is the right way to record timestamps onto an audio recording from a GPS?  perhaps use one of the two audio channels as a SMPTE timing track?  that's kinda ridiculous but there's probably lots of code already written...

On Fri, 14 Mar 2014, Hol Gaskill wrote:

I'd be down to make a few time of flight receivers with you.

on Mar 14, 2014, Jake <jake@spaz.org> wrote:
      what do people think of the shotspotter system installed in oakland?

      it's a network of microphones on telephone poles, each with a GPS (for
      a precise clock) and a network connection. When a gunshot-like sound is
      detected, they send the sound and its precise timing to a central server
      that determines the location of the shot, and tells the police to go
      there.

      some people have expressed concern that the microphones are used to spy on
      people, but it would be impossible to hear a conversation from the top of
      a telephone pole that wasnt already loud enough to be heard inside nearby
      houses (or the phone in your pocket).

      apparently the city pays $264,000 per year to keep shotspotter going. I
      think sudoroom people could do it for much less if they thought it was a
      useful thing. They would be discontinuing it to save money, or perhaps to
      avoid having to send cops to do actual work once in a while...

      i mean.. sending police toward the gunfire? sounds like a good idea...

      http://www.sfgate.com/crime/article/Oakland-cops-aim-to-scrap-gunfire-detecting-5316060.php
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