Oh, they would have good filtering for THEIR GPS receiver. It;s just the
rest of us suckers that don't matter.
I have a Trimble GPS antenna I never used due to the goofy voltage.
p/n 16248-50
patent 3984834
My recollection is they have a SAW filter in it. It is used by the Navy,
though I suspect mine came out of Stanford.
On 2/3/2011 3:46 PM, Mike S wrote:
At 05:54 PM 2/3/2011, gary wrote...
It only take a little radio knowledge to realize how stupid much of
what the FCC approves. The FCC raison d'etre is to prevent interference.
I don't see any reason for people to get all excited. GPS is
fundamentally a military system, and has very significant visibility,
being used by _many_ more people than will use the Lightsquared system -
civilian, commercial and governmental in addition to military. If, upon
initial deployment, real world interference is an issue, Lightsquared
will be shut down quickly. There's simply much more inertia, money, and
constituency behind GPS than Lightsquared.
I asked before if anyone knew the timing requirements for LTE, which is
the technology this is based on. If it requires synchronized timing like
CDMA, then Lightspeed would be shooting themselves in the foot if they
were unable to use GPS based timing within their system.
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