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NBAA Welcomes Sen. Roberts' Amendment to Halt LightSquared Funding
Washington, DC, November 18, 2011 – The National Business Aviation Association (NBAA) today welcomed a legislative amendment from Sen. Pat Roberts (R-KS) to a funding bill that would prohibit the Federal Communications Commission (FCC) from spending federal funds to deploy LightSquared's 4G broadband technology, until it can be proven the technology will not interfere with global positioning system (GPS) receivers. (www.nbaa.org) Más...Sort type: [Top] [Newest]
At first I was offended by your short bus comment. Then, I saw that as written, it says you are able respond due to your short bus vocabulary. Having identified you lack of intelligence, you self-identify as a racist with you plantation voters quip. It dseems clear I can save a lot of time skipping John Donaldson postings.
It's about time !
Who is kidding who ? There has been a concentrated effort in recent years by some of our politicians (including, sadly, Sen. McCain ) to get us to abandon GPS in favor of the Chinese-French system. Unlike our GPS, which anyone can use, that system requires you to first pay for and receive permission from the govt. before you can access the info.
Anyone smell a SERIOUS rat here ?
Anyone smell a SERIOUS rat here ?
It's kind of a shame they have to jump through all of these hoops because GPS is basically "squatting" in frequencies they weren't supposed to be on. If the GPS receivers were built to better listen to only the frequencies they were supposed to use, this wouldn't be a big issue. But that ship has sailed and GPS is too vital a part of our lives (and security) to allow this to be implemented without it working 100%.
Chuck:
The 'squatting' issue is Mr. Carlisle's invention, primarily designed to try and throw people off the real issue.
You need to understand that when people get involved in spectrum management, they understand that there are at least four factors involved in RF propogation: Power, distance, harmonics, and frequency, not necessarily in that order. There's also antenna design, and location, and other stuff, but in the end, a huge transmitter with lots of power will overwhelm a small transmitter that's way far away, regardless of frequency. It's just a function of electricity in the air.
I testified at the House Small Business Committee hearing on this issue, and I related the story of 'back in the day' when I worked for Motorola selling land mobile radios, and we had a customer in the 450 mhz band getting interference from another customer in the 27 mhz band. Their VHF radios weren't 'squatting' anywhere near the low band radios, but there was interference none the less. Why? They were working 2 miles from the other guys, and the other guys' 100 watt radios with huge whip antennas were overwhelming the signal from the mountaintop repeater 60 miles away that my customer was trying to reach. You know, kinda like a GPS signal from way out in orbit.
Part of good spectrum management means putting high-power systems in one neighborhood. low power in another. That's why GEN Shelton testified that it was akin to 'putting a rock band in a quiet, residential neighborhood.' It's not about squatting, it's about huge differences in signal strength crossing non-existent boundaries between frequencies.
Here's what everyone's ignoring: SkyTerra bought satellite spectrum for use. LightSquared bought SkyTerra. LightSquared want to 'repurpose' satellite spectrum for land-based use. Not a good idea.
Dennis
Dennis B. Boykin IV
Chairman
Leesburg Executive Airport Commission
Leesburg, Virginia
The 'squatting' issue is Mr. Carlisle's invention, primarily designed to try and throw people off the real issue.
You need to understand that when people get involved in spectrum management, they understand that there are at least four factors involved in RF propogation: Power, distance, harmonics, and frequency, not necessarily in that order. There's also antenna design, and location, and other stuff, but in the end, a huge transmitter with lots of power will overwhelm a small transmitter that's way far away, regardless of frequency. It's just a function of electricity in the air.
I testified at the House Small Business Committee hearing on this issue, and I related the story of 'back in the day' when I worked for Motorola selling land mobile radios, and we had a customer in the 450 mhz band getting interference from another customer in the 27 mhz band. Their VHF radios weren't 'squatting' anywhere near the low band radios, but there was interference none the less. Why? They were working 2 miles from the other guys, and the other guys' 100 watt radios with huge whip antennas were overwhelming the signal from the mountaintop repeater 60 miles away that my customer was trying to reach. You know, kinda like a GPS signal from way out in orbit.
Part of good spectrum management means putting high-power systems in one neighborhood. low power in another. That's why GEN Shelton testified that it was akin to 'putting a rock band in a quiet, residential neighborhood.' It's not about squatting, it's about huge differences in signal strength crossing non-existent boundaries between frequencies.
Here's what everyone's ignoring: SkyTerra bought satellite spectrum for use. LightSquared bought SkyTerra. LightSquared want to 'repurpose' satellite spectrum for land-based use. Not a good idea.
Dennis
Dennis B. Boykin IV
Chairman
Leesburg Executive Airport Commission
Leesburg, Virginia
Well, you are correct about GPS being so much of our daily lives, BUT, as I understand it, Lightsquared frecuencies are planned to be so powerful and will bleed over because they are so close. Who knows, BUT, the GPS has got to be protected now because it is so much a part of daily life and $ always prevent anybody from taking the right look to begin with.
From what I have read, I think it's mainly GPS "casting a wide net" to look for signals as opposed to LS being in their band. But yes, the different in signal strengths between LS and GPS is HUGE.
Evidently they have "new and improved" GPS receivers that can better filter out the LS signals. The fact they can change GPS to fix this leads me to believe it's more a problem with the GPS side. But again, the difference in signals is huge. And I don't think this band was initially set aside for terrestrial antenna use.
I would love to see the actual tests LS and Garmin did. They each got totally different results. I would love to understand the technical differences more. Unfortunately when you search for information on it you're assaulted with pages upon pages of people making politics out of this instead of facts.
Evidently they have "new and improved" GPS receivers that can better filter out the LS signals. The fact they can change GPS to fix this leads me to believe it's more a problem with the GPS side. But again, the difference in signals is huge. And I don't think this band was initially set aside for terrestrial antenna use.
I would love to see the actual tests LS and Garmin did. They each got totally different results. I would love to understand the technical differences more. Unfortunately when you search for information on it you're assaulted with pages upon pages of people making politics out of this instead of facts.