Finding information about metro private line service in downtown SF

Robert E.Seastrom rs at
Thu Oct 28 20:24:18 UTC 2004

"Charlie Khanna - NextWeb" <charlie at> writes:

> Wireless is a great option, if it's an option at all - I would just make
> sure to get a licensed link so you don't worry about getting knocked of the
> air by some rogue interferer. 

Licensed offers no such guarantee; all it offers is some degree of
recourse if/when you encounter interference.  The onus for finding and
tracking down the interferer, identifying them, and filing a complaint
with the FCC still rests with the licensee.  Hope you remembered to
fill out the coordination responses during the comment period (and
depending on the band you're operating on, you could get a lot of

A site survey with appropriate spectrum analysis equipment (preferably
connected to antennas that have similar gain characteristics to the
one you propose to use, pointed in the direction of your path) is a
good first step.  You may discover that UNII serves your needs
completely.  No, it's not a guarantee that things won't change in the

> In fact, I've found a source for 39-gig
> radios (if the shot is less than 1.5 miles over the air) for about $3K.

Thanks to our pals at Winstar's demise and Advanced Radio Telecom's
reorganization, such things are commonplace.  Intrepid souls with
friends in the real estate business may be able to get 'em for the
cost of removal.  Don't forget to coordinate your licensing (these are
NOT part-15 radios as Charlie pointed out); ART's successor
organization First Avenue Networks does licensing for $500/link/year.


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