A Satellite footprint probably won't cover from Boston to CA in geosynch orbit. Even if it does, you need to point your receiver at the Boston sat, not the CA one.
Talk to your local aerial installer, and he should be able to work out the new angles and so forth for your dish.
Over here we have the same issue with UK nationals taking satellite decoders to Spain - it should get the same satellite, but it doesn't always work and might be over the horizon.
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Overhead, the Albatross hangs motionless upon the air,
And deep beneath the rolling waves,
In labyrinths of Coral Caves,
The Echo of a distant time
Comes willowing across the sand;
And everthing is Green and Submarine
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