[Noisebridge-discuss] Solar-power radios popping up around the Mission

[Forrest Flanagan]

Is there anything faster or better than a FOIA request for accessing this
information?<https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Sum&calledFromFrame=N&RequestTimeout=500&application_id=398541&fcc_id='XMPNL72742'>

On Tue, Mar 1, 2011 at 5:37 PM, Dr. Jesus <j at hug.gs> wrote:

> On Tue, Mar 1, 2011 at 12:54 PM, Jonathan Lassoff <jof at thejof.com> wrote:
> > On Tue, Mar 1, 2011 at 12:04 PM, Christie Dudley <longobord at gmail.com>
> wrote:
> >> Well, obviously it's a mesh as it's JUST the antenna and the panel.
> There
> >> are a number of reasons that come to mind that they would use the solar
> >> panels on a pole that has power (mostly having to do with
> inter-departmental
> >> politics and relations with PG&E) but the best reason I can think of to
> do
> >> that is for emergency services. Or alternately, non-city "services".
> >
> > This absolutely makes sense. If it's low enough power, I see no reason
> > not to go this route, as it'll work even when PG&E doesn't.
> >
> >> Another thing that this reminds me of is the truck signalling on the
> >> highways. (It's a national consortium for weigh stations, mostly.) It'd
> be a
> >> stretch to see how they might want to expand it into the cities.
> However, it
> >> looks like it's a 90 deg. polarization from those. It looks like the
> FasTrak
> >> antennas are similarly polarized.
> >
> > I suspect it is indeed an omni, as all the ones that I've noticed have
> > been pointed directly downwards. The antenna for Fastrak and for
> > Caltrans' traffic/congestion monitoring look like UHF or SHF Yagi Uda
> > antennas pointing at people's dashes.
> > I see no reason this couldn't be that, but it seems like the antenna
> > design would have changed dramatically.
> >
> > At least in the mission, their installation seems well timed with the
> > rollout of new parking meter heads.
>
> I just went up the construction scaffolding at 16th/mission and read
> the labels on the devices.  The big ones seem to be 4.9 GHz to 5.8 GHz
> repeaters for the public safety cameras.  The little ones are made by
> a firm named novalab and are labelled with FCC ID XMPNL72742.  I don't
> know what they are, but searching around it looks like streetline, the
> parking meter people, use a 900 MHz mesh network which is probably
> compatible with that hardware.
> _______________________________________________
> Noisebridge-discuss mailing list
> Noisebridge-discuss at lists.noisebridge.net
> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.noisebridge.net/pipermail/noisebridge-discuss/attachments/20110301/26dffdef/attachment-0003.html>