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Originally Posted by Margaritaville
(Post 3333318)
So let me get this straight. One branch of the federal government (FCC) approved something that harms another branch (FAA). FAA complains about FCC. FCC and FAA have the same boss. Complaints go ignored and big corporations who paid off the first branch get what they want.
If only we had a functioning government in this country. Instead, we have a corporate oligarchy and a bunch of fools in Washington who pretend they are in charge of stuff. |
Originally Posted by LumberJack
(Post 3334413)
It was Ajit Pai who fast tracked the sale of spectrum that is causing this. He knew about it ahead of time but didn't address the issue. He's the same one who eliminated net neutrality. Take a wild guess who appointed him in January 2017.
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Originally Posted by LumberJack
(Post 3334413)
It was Ajit Pai who fast tracked the sale of spectrum that is causing this. He knew about it ahead of time but didn't address the issue. He's the same one who eliminated net neutrality. Take a wild guess who appointed him in January 2017.
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Originally Posted by Cyio
(Post 3334562)
This is a bit of a reach.
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Originally Posted by LumberJack
(Post 3334413)
. He's the same one who eliminated net neutrality. .
I had forgotten how badly people freaked over this. What a bunch of classic fearmongering. |
Tech question...
Do the rad alts encode a specific signature into their transmissions so that when they receive a signal back, even if on the same freq, it will not get accepted, processed, and counted unless it has the embedded code in it, so as to prevent other signals from interfering? Kind of like a watermark for radio signals. |
Originally Posted by SonicFlyer
(Post 3334617)
Tech question...
Do the rad alts encode a specific signature into their transmissions so that when they receive a signal back, even if on the same freq, it will not get accepted, processed, and counted unless it has the embedded code in it, so as to prevent other signals from interfering? Kind of like a watermark for radio signals. RADALTS on the same airframe use a frequency offset. De-confliction between aircraft is apparently just based on distance, ie two planes will not be over the MM at the same time, and unrestricted parallel approaches require at least several thousand feet of offset. Lot's of technical reading here... https://www.google.com/url?sa=t&rct=...npGZmHndfU2fdZ This Honeywell guy's analysis seems to indicate that an individual cell phone in the wrong place at the wrong time might have the power to interfere... he says 10mW, and the phones themselves can put out more than that. |
That’s pretty interesting.
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Originally Posted by drywhitetoast
(Post 3334558)
I fail to see your point. He was also nominated to be a commissioner in 2011 and confirmed in 2012 by take a wild guess.
-Pai's wiki page "The FCC is directed by five commissioners appointed by the president of the United States and confirmed by the United States Senate for five-year terms, except when filling an unexpired term. The U.S. president designates one of the commissioners to serve as chairman. No more than three commissioners may be members of the same political party." -FCC wiki page |
Originally Posted by rickair7777
(Post 3334632)
I'm pretty sure they do not, their actual functionality depends on waveform and frequency shifting so it would be hard to overlay encoding on top of that.
RADALTS on the same airframe use a frequency offset. De-confliction between aircraft is apparently just based on distance, ie two planes will not be over the MM at the same time, and unrestricted parallel approaches require at least several thousand feet of offset. Thanks for the link, that looks fascinating, I have added it to my reading queue and will get to it in a few days! |
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