How The FCC Plans To Destroy GPS – A Simple Explanation

Re:How The FCC Plans To Destroy GPS – A Simple Explanation by marshray on Wednesday February 09, 2011 @07:09PM (#2199961)

OK I see it now. It looks like everything in that adjacent band had previously been designated space-to-earth.

I suppose it would be reasonable for an engineer to assume a receiver is not going to end up within a few KM of a 15 KW transmitter at those frequencies.

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Re:How The FCC Plans To Destroy GPS – A Simple Explanation by X-Istence on Wednesday February 09, 2011 @09:25PM (#2200410)

At high power you can overpower adjacent frequencies wether you have good band filtering on it or not. For example a 2 Watt FM transmitter at 100 Mhz can easily overpower radio's tuned to 95 Mhz just because of its power, even with the appropriate filtering.

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Re:How The FCC Plans To Destroy GPS – A Simple Explanation by marshray on Thursday February 10, 2011 @02:52PM (#2203401)

The internationally-agreed upon plan for the adjacent band was to have all the transmitters in orbit and all the receivers on the ground. So I don't think a 2W transmitter in orbit is going to overpower receivers in a different band.

40,000 of 15KW transmitters on the ground may be another matter.

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