All the GPS satellites transmit on the same frequency, 1.575ghz for L1 and 1.227ghz for L2. The only variance from this is Doppler shifts from the user to satellite perspective.
Same frequencies, but each satellite has a unique modulation code that generates its spread spectrum output.
This isn't just interference from adjacent signals. A big part of the problem is the huge difference in power levels between a GPS signal (received signal about -130 dBm) and a high power terrestrial transmitter a few miles away. The high power signal will swamp the GPS receiver's front end and play havoc with its AGC.
The consumer GPS device began to be jammed at a power level representing a distance of 3.6 miles (5.8 kilometers) from the simulated LightSquared transmitter. The consumer device lost a fix at 0.66 miles (1.1 kilometers) from the transmitter.
The Federal Aviation Administration (FAA)-certified aviation receiver began to be jammed at a distance of 13.8 miles (22.1 kilometers) and experienced total loss of fix at 5.6 miles (9.0 kilometers) from the transmitter.
The bottom line is that if this goes through, GPS receivers will get more expensive due to the additional filtering, and existing receivers will operate in a degraded mode.
On January 26, the FCC waived its own rules and granted permission for the potential interferer to broadcast in the L Band 1 (1525 MHz—1559 MHz) from powerful land-based transmitters. This band lies adjacent to the GPS band (1559—1610 MHz) where GPS and other satellite-based radio navigation systems operate.
Daily builds have never made much sense to me. If someone breaks a build, the fix is easy - revert their commit and tell them they screwed up.
If you aren't doing daily builds, how do you know when the build is broken? The idea is to catch it soon after the problem occurs, so it's easier to fix.
The default keychain file is the login keychain, typically opened on login by the user's login password (although the password for this keychain can instead be different from a user’s login password, adding security at the expense of some convenience).
...
The keychain file(s) stores a variety of data fields including a title, URL, notes and password. Only the password is encrypted and it is encrypted with Triple DES.
They paid a small fortune to buy Danger and the Sidekick platform, and couldn't admit that they got taken and bought something that was obsolete, if transiently popular at the time they bought it. Notice that Robbie Bach, MS VP of entertainment and devices, the guy who made the call to buy Danger, was eased out of the company a few weeks ago.
And that's a shame, Danger had some really sharp folks. I wonder how many stayed on after MS bought them. Hopefully they made out well.
Re:Don Knuth pays people who find errors
on
Knuth Got It Wrong
·
· Score: 2, Funny
I forget the exact amount, but it was like PI or E dollars for every typo.
I am not sure what the payment is for an algorithmic error.
So, they'll prepare on a minority platform, which will provide no additional real-world experience at all. Unless they're an artist or writer, they need to learn the dominant platform and tools.
So high school is now a vocational school for training workers, not for educating thinkers?
As much as I dislike M$ they have 90% of the market share for business, and EVERY employer requires M$ Office experience...
You do realize that MS Word is available for Mac OS X, right?
Distributing several unmodified GPL binaries, so long as the source is also available, is perfectly acceptable as I understand it...
Also, if this is software that is not going outside your organization, then I don't think you have to worry about it at all...
Not to be picky, but from the Cygwin license (emphasis mine)
If you distribute the Cygwin DLL, either in its original form or in a form modified by you, you must adhere to the terms of the GPL, i.e. you must provide sources for the Cygwin DLL unless you have obtained a special Cygwin license to distribute the Cygwin DLL in only its binary form (see below).
But yes, if you don't distribute, no problem.
But the other thing I was trying to point out is if you supply a version of the Cygwin dll and the user has a different version already installed, you can run into problems.
Every production car on the road has sufficient braking power to stall the engine in any gear at any throttle setting. Put your foot on the brake, and the car will stop. You may need new discs and pads after that.
Afterward, investigators said that it appeared the brakes had been applied for so long that the brake pads melted, according to a report by the National Highway Traffic Safety Administration.
Slashdot Mirror
All the GPS satellites transmit on the same frequency, 1.575ghz for L1 and 1.227ghz for L2. The only variance from this is Doppler shifts from the user to satellite perspective.
Same frequencies, but each satellite has a unique modulation code that generates its spread spectrum output.
From a GPS World article:
The consumer GPS device began to be jammed at a power level representing a distance of 3.6 miles (5.8 kilometers) from the simulated LightSquared transmitter. The consumer device lost a fix at 0.66 miles (1.1 kilometers) from the transmitter.
The Federal Aviation Administration (FAA)-certified aviation receiver began to be jammed at a distance of 13.8 miles (22.1 kilometers) and experienced total loss of fix at 5.6 miles (9.0 kilometers) from the transmitter.
The bottom line is that if this goes through, GPS receivers will get more expensive due to the additional filtering, and existing receivers will operate in a degraded mode.
On January 26, the FCC waived its own rules and granted permission for the potential interferer to broadcast in the L Band 1 (1525 MHz—1559 MHz) from powerful land-based transmitters. This band lies adjacent to the GPS band (1559—1610 MHz) where GPS and other satellite-based radio navigation systems operate.
We hardware engineers are your gods. :-) Without us, what would you run your software on? Hey, I tease. Mostly. :-D
Virtual machines! ;-)
so, what happens if the student doesn't have a cellphone, or has two, or is borrowing one from a friend?
Clearly all students should have to take the test naked to ensure they don't have a hidden cellphone.
Can I volunteer to be a proctor at some all female university?
Daily builds have never made much sense to me. If someone breaks a build, the fix is easy - revert their commit and tell them they screwed up.
If you aren't doing daily builds, how do you know when the build is broken? The idea is to catch it soon after the problem occurs, so it's easier to fix.
This is a close second to the machine that dispenses live crabs. (The sea floor living kind of crab.)
You've not seen Hello World until you've seen it in the original Klingon!
(Aside: What is the unit of measure for friction?).
It's a unitless coefficient.
No, it's a word that predates guns. It refers to bag slung over the shoulder.
SWAG == Stuff We All Get
Like at a conference where everybody gets a free set of pens, notebooks, etc.
The default keychain file is the login keychain, typically opened on login by the user's login password (although the password for this keychain can instead be different from a user’s login password, adding security at the expense of some convenience).
...
The keychain file(s) stores a variety of data fields including a title, URL, notes and password. Only the password is encrypted and it is encrypted with Triple DES.
They paid a small fortune to buy Danger and the Sidekick platform, and couldn't admit that they got taken and bought something that was obsolete, if transiently popular at the time they bought it. Notice that Robbie Bach, MS VP of entertainment and devices, the guy who made the call to buy Danger, was eased out of the company a few weeks ago.
And that's a shame, Danger had some really sharp folks. I wonder how many stayed on after MS bought them. Hopefully they made out well.
I forget the exact amount, but it was like PI or E dollars for every typo. I am not sure what the payment is for an algorithmic error.
I think it's e ^i(pi/2)
So, they'll prepare on a minority platform, which will provide no additional real-world experience at all. Unless they're an artist or writer, they need to learn the dominant platform and tools.
So high school is now a vocational school for training workers, not for educating thinkers?
As much as I dislike M$ they have 90% of the market share for business, and EVERY employer requires M$ Office experience...
You do realize that MS Word is available for Mac OS X, right?
Distributing several unmodified GPL binaries, so long as the source is also available, is perfectly acceptable as I understand it...
Also, if this is software that is not going outside your organization, then I don't think you have to worry about it at all...
Not to be picky, but from the Cygwin license (emphasis mine)
If you distribute the Cygwin DLL, either in its original form or in a form modified by you, you must adhere to the terms of the GPL, i.e. you must provide sources for the Cygwin DLL unless you have obtained a special Cygwin license to distribute the Cygwin DLL in only its binary form (see below).
But yes, if you don't distribute, no problem.
But the other thing I was trying to point out is if you supply a version of the Cygwin dll and the user has a different version already installed, you can run into problems.
You could even ship a copy of cygwin.dll and any binaries you need, like bash, netcat, or what have you. I prefer Unix apparently.
Be careful about that.
I use Cygwin myself, but copying the .dll for use with your app is fraught with peril.
Ow My Balls!
Yeah Platinum can be teleported and created Latinum cannot.
I thought the 'p' in platinum was silent.
But floppies, CD-R, and DVD-R have the advantage of being so cheap they're disposable, which lets you give a copy of a file to someone else.
But how do I email the floppy to them?
He must be out of his Vulcan Mind!
AT&T just announced their 3G microcell. According to Electronista it is $150.
"Architecture" is a noun. "Design" is a verb (or a noun). There's no "architectured".
I thought any noun could be verbed.
OS X path: 129 + 0 +129 (at most - some users could upgrade for $20)+20 +129 +X+29 = 436+X, if I'm adding correctly.
Don't forget, if you have multiple Macs you can get the family packs. That saves a bunch!
And if I add memory or swap the hard drive I don't have to call Apple for permission to continue using their OS!
Every production car on the road has sufficient braking power to stall the engine in any gear at any throttle setting. Put your foot on the brake, and the car will stop. You may need new discs and pads after that.
Are you sure about that?
Afterward, investigators said that it appeared the brakes had been applied for so long that the brake pads melted, according to a report by the National Highway Traffic Safety Administration.
a bunch of drunken Canadian's
-1: redundant