It isn't a new problem. When I was in the military, we were taught methods of authenticating the people we were talking to on our two-way radios. You have to assume that the enemy is going to listen to your radio networks and try to disrupt them and insert false information and orders.
It would be helpful if large companies had a simple way for their customers to authenticate email and telephone calls from that company. The phishers are getting better at what they do, and sometimes it is almost impossible to tell if an email is fake.
Many children in rural areas grow up with easy access to firearms once they're old enough to be taught firearms safety. Many of my cousins had their own rifles for small game hunting and plinking. They also carried pocket knives to school. They didn't shoot their siblings and crime rates were extremely low where they lived.
The movie industry has had similar problems. Watch some old movies from the 1920s and 1930s. You'll notice a huge change around 1930, when the Hays Code was introduced in response to pressure from many groups to "clean up" the film industry. Some of the early talking movies were quite racy for their day.
Like the state-owned PT&Ts common in much of the world are sterling examples of efficiency, customer service, and technological leadership. I've been in too many small countries where long-distance telecommunications was a racket jointly operated by Cable & Wireless and the local communications monopoly.
Part of the doctrine of common carrier regulation is that a common carrier must offer a service to the public in a non-discriminatory manner. They can't pick and choose who their customers are, like normal businesses. Reality may vary from theory, but that's normally the way it works.
I think the idea is give the bad guy a choice between incriminating himself and committing a crime by lying on the form. This can be useful later. There are a number of war criminals who have had their citizenship revoked and been deported after it was found that they lied about their past.
There is more to the problem than most people think about. Telephone service is a problem for many poor families because it involves credit. If you don't have a good credit rating, the telephone company is probably going to demand a hefty deposit, not to mention paying any old unpaid telephone bills. It can be difficult for a poor family to control telephone use. Abuse of the service often results in a large bill, which they can't afford to pay, resulting in service disconnection and a black mark on their credit rating.
Being athletic has its own drawbacks. All those muscles require protein and calories. I'd rather be smart than strong. Physical strength didn't save other early human species from extinction. The puny. and social, tool makers became the dominant species. Running away from predators is for idiots, who will end up as something's lunch.
God created Man, but Colonel Colt made them equal.
Yes, they do. You have to distinguish between the multiple layers of error correcting and detecting codes applied to the media. Modern designs often intentionally accept a relatively high BER at the physical level to gain increased density. These errors get corrected in a hardware decoder at line rates.
We can't even agree on what "child pornography" is. Is it a picture of a naked child, a written or graphic novel that includes minors having sex, a sexually explicit movie that has "young looking" actors, photographs of child models in "inappropriate" clothing or "suggestive" poses, anything that shows the genitalia of a minor?
That's why there are environmental test chambers, so if the requirements say that the operating temperature range is +0C to +40C, you can test over that range.
Cannonballs bounce nicely when fired from a cannon. I've read descriptions of American Civil War battles that noted how cannonballs gracefully bounced across the battlefield. Although fascinating to watch, they were still extremely dangerous to anyone in their path.
What "trouble with efficiency"? A resistor is 100% efficient at converting electricity to heat. A light bulb is 100% efficient at converting electricity to heat if enclosed in an opaque container. A magnetron is about 70% efficient at converting household electricity to microwave radiation, the rest heats the magnetron.
Phone encryption devices have been illegal in the US for ages, I believe.
Bullshit. They are not illegal. You may not be able to use them on certain radio services, due to FCC regulations, but there is no law that prevents their use over the wireline telephone network, private data networks, or the Internet.
What the NSA has done is to discourage the use of encryption, while staying within the law. This can be by friendly persuasion or vague threats of "problems" with other government agencies. That is why American cellular carriers do not provide strong crypto on their systems.
The sad truth is that the market for commercial secure telephone hardware is very small. Most people just don't care. To make a business out of it, you have to sell to the federal government and their contractors who handle classified information. AT&T and others have tried to sell secure telephones to the general public, with disappointing results.
For fixed locations, you can also switch to a better antenna system. A pair of directional high-gain antennas will improve SNR and reduce interference.
File a written complaint with the FCC. Do you have any evidence that proves that they are in violation of FCC rules? "They interfere with my widget" does not prove anything. Your widget may just be a cheap, or even expensive, POS.
I'm looking through these charts and I am not finding an important number, how far the signal can be sent at that rate before it starts dying. Repeaters could be responsible for keeping this in vaporworld.
How much money do you have? That's the limiting factor. The hardware is available, it's just very expensive. There are fiber optic amplifiers that boost the signal level without having to demodulate it and regenerate it.
I once saw some prices that Apple was paying for CPUs from Motorola. They were much less than the going wholesale price. When you buy in those quantities, the price is very negotiable.
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It would be helpful if large companies had a simple way for their customers to authenticate email and telephone calls from that company. The phishers are getting better at what they do, and sometimes it is almost impossible to tell if an email is fake.
Many children in rural areas grow up with easy access to firearms once they're old enough to be taught firearms safety. Many of my cousins had their own rifles for small game hunting and plinking. They also carried pocket knives to school. They didn't shoot their siblings and crime rates were extremely low where they lived.
The movie industry has had similar problems. Watch some old movies from the 1920s and 1930s. You'll notice a huge change around 1930, when the Hays Code was introduced in response to pressure from many groups to "clean up" the film industry. Some of the early talking movies were quite racy for their day.
Like the state-owned PT&Ts common in much of the world are sterling examples of efficiency, customer service, and technological leadership. I've been in too many small countries where long-distance telecommunications was a racket jointly operated by Cable & Wireless and the local communications monopoly.
Part of the doctrine of common carrier regulation is that a common carrier must offer a service to the public in a non-discriminatory manner. They can't pick and choose who their customers are, like normal businesses. Reality may vary from theory, but that's normally the way it works.
That means it's time to stock up on canned goods and ammunition, and to board up the windows.
I think the idea is give the bad guy a choice between incriminating himself and committing a crime by lying on the form. This can be useful later. There are a number of war criminals who have had their citizenship revoked and been deported after it was found that they lied about their past.
Even if you are a world-class athlete, you aren't going to be able to outrun a lion. A domestic cat can run faster than a human.
There is more to the problem than most people think about. Telephone service is a problem for many poor families because it involves credit. If you don't have a good credit rating, the telephone company is probably going to demand a hefty deposit, not to mention paying any old unpaid telephone bills. It can be difficult for a poor family to control telephone use. Abuse of the service often results in a large bill, which they can't afford to pay, resulting in service disconnection and a black mark on their credit rating.
God created Man, but Colonel Colt made them equal.
Yes, they do. You have to distinguish between the multiple layers of error correcting and detecting codes applied to the media. Modern designs often intentionally accept a relatively high BER at the physical level to gain increased density. These errors get corrected in a hardware decoder at line rates.
We can't even agree on what "child pornography" is. Is it a picture of a naked child, a written or graphic novel that includes minors having sex, a sexually explicit movie that has "young looking" actors, photographs of child models in "inappropriate" clothing or "suggestive" poses, anything that shows the genitalia of a minor?
That's why there are environmental test chambers, so if the requirements say that the operating temperature range is +0C to +40C, you can test over that range.
Cannonballs bounce nicely when fired from a cannon. I've read descriptions of American Civil War battles that noted how cannonballs gracefully bounced across the battlefield. Although fascinating to watch, they were still extremely dangerous to anyone in their path.
Is it sterile if you have an infection of the bladder or urethra?
Interesting. The FCC might disagree with their right to put that clause in a contract. See this article.
What "trouble with efficiency"? A resistor is 100% efficient at converting electricity to heat. A light bulb is 100% efficient at converting electricity to heat if enclosed in an opaque container. A magnetron is about 70% efficient at converting household electricity to microwave radiation, the rest heats the magnetron.
No, that's a common misconception.
Bullshit. They are not illegal. You may not be able to use them on certain radio services, due to FCC regulations, but there is no law that prevents their use over the wireline telephone network, private data networks, or the Internet.
What the NSA has done is to discourage the use of encryption, while staying within the law. This can be by friendly persuasion or vague threats of "problems" with other government agencies. That is why American cellular carriers do not provide strong crypto on their systems.
The sad truth is that the market for commercial secure telephone hardware is very small. Most people just don't care. To make a business out of it, you have to sell to the federal government and their contractors who handle classified information. AT&T and others have tried to sell secure telephones to the general public, with disappointing results.
For fixed locations, you can also switch to a better antenna system. A pair of directional high-gain antennas will improve SNR and reduce interference.
File a written complaint with the FCC. Do you have any evidence that proves that they are in violation of FCC rules? "They interfere with my widget" does not prove anything. Your widget may just be a cheap, or even expensive, POS.
I've seen courtrooms that turn on white noise generators when the judge is discussing some legal issue with the lawyers.
I'd like to see a phased-array radio telescope that supplies raw data to each remote user for beam forming.
How much money do you have? That's the limiting factor. The hardware is available, it's just very expensive. There are fiber optic amplifiers that boost the signal level without having to demodulate it and regenerate it.
I once saw some prices that Apple was paying for CPUs from Motorola. They were much less than the going wholesale price. When you buy in those quantities, the price is very negotiable.