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Re: [Discuss-gnuradio] GNU Radio for FasTrak monitoring?

From: David Alexander Molnar
Subject: Re: [Discuss-gnuradio] GNU Radio for FasTrak monitoring?
Date: Mon, 19 Jul 2004 00:58:12 -0700 (PDT)

On Mon, 19 Jul 2004, Eric Blossom wrote:
[about building FasTrak]
> I've read over the specs.  Looks like this shouldn't be too hard to
> do, particularly if we use a separate antenna for tx and rx.
> The planned 902 - 928 MHz USRP daughterboard should work fine, though
> we may need additional power on the Tx.

Glad to hear it. What can I do to help make this happen?

> It would also be interesting to monitor one of the toll locations
> and see if they're running other transactions besides the two listed
> in the spec.

We know that CalTrans has readers at many more locations than just the
toll plazas. These readers are used (at least) for determining vehicle
presence. This allows for congestion studies. One of the things we talked
about doing is hooking up a transponder to wardriving software. Then we
can map reader locations.


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