[LMB] why we still need paper books
jeffshultz at gmail.com
Thu Sep 22 15:12:31 BST 2011
On Thu, Sep 22, 2011 at 6:44 AM, Howard Brazee <howard at brazee.net> wrote:
> On Sep 22, 2011, at 7:40 AM, Jeff Shultz wrote:
> > On Wed, Sep 21, 2011 at 10:46 PM, Paula Lieberman <paal at gis.net> wrote:
> >> I wonder what blue-green or other laser usable in atmosphere for
> >> communications would cost "for the last mile"
> >> Interesting thought. LoS radio is a so-so solution. The big problem for
> > lasers in this case would be literally line of sight - no hills, no
> > no buildings.... in our area, you don't find that much.
> There are wireless internet services with a transmitter on a mountain or
> high tower and directional antennas on houses.
Yes, we run one. It's one of the so-so solutions. Spring really sucks when
the leaves come out and we learn how much the trees have grown... in the way
of the connection. There are also issues with shared spectrum like 900Mhz or
A railfan approaches a grade crossing hoping that there will be a train.
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