well, over a distance of about 140 miles, a antenna with a directional opening more than 4 wouldn't make any sense.
therefore, if you imagine the radiated field in 2d, if you open your spot 1, you'll radiate at tan(1) * 140 miles more space. so you'll lose a fourth of intensity- as you can see, theres a proportionality between intensity and opening anchor. so, with 360, you'd only get 1/90th of the power you could have. Not a good idea.
variable multi-antenna-sets are the way to go, anyways. A stack of different antennas combined with a logic to aggregate the right ones to get maximal antenna gain for a certain target- implemented in consumer wifi-devices since beginning 2005.
--iradiating the night. Get bitten!
AFAIK if you want (in Germany at least) to use one of the several freely available radio frequency bands,you'll have to stay in tight barriers when it comes to a)output power b) signal "precisity" (do not spread into other bands AND DO NOT INTERFERE with electronic equipment) and c) antenna gain.
so - 200dB antenna just would be illegal. There's nothing with license-free since you in fact would violate laws and void your permission to use the bands.
Maybe that's unimportant since all that record has in common with previous records in Wifi-distance are frequency.
--be smart today. emit a bit. and get bitten!.
I know honor is a bit a wrong argument to use when it comes to wars concerning the relation between personal rights and public interests.
But - I repair a lot of computers in my spare time (as well as at school - I need to them to work) and I have always handled the data of my "clients" as sensitive as possible. I wouldn't even throw away a failing hard drive without destroying as much data as possible and then gathering repair/tinker parts from the drive, destroying all data on the disc's surface using a strong electromagnet.
So if a service wasn't trustworthy, it might as well give up, since well-informed costumers tend to be VERY picky about that topic.
A law, forcing technicians to inform executive institutions when they find "suspicious" content on the drive, would make many people stop using repair services.
That would lead to higher sales of computer manufactures (as well as to the bankrupt of a industry of small enterprises). Is this a law that was pushed by some PC-Lobby?
---
be critical. Just don't bite the bait.
get bitten
Slashdot Mirror
well, over a distance of about 140 miles, a antenna with a directional opening more than 4 wouldn't make any sense.
therefore, if you imagine the radiated field in 2d, if you open your spot 1, you'll radiate at tan(1) * 140 miles more space. so you'll lose a fourth of intensity- as you can see, theres a proportionality between intensity and opening anchor. so, with 360, you'd only get 1/90th of the power you could have. Not a good idea.
variable multi-antenna-sets are the way to go, anyways. A stack of different antennas combined with a logic to aggregate the right ones to get maximal antenna gain for a certain target- implemented in consumer wifi-devices since beginning 2005.
--iradiating the night. Get bitten!
AFAIK if you want (in Germany at least) to use one of the several freely available radio frequency bands,you'll have to stay in tight barriers when it comes to a)output power b) signal "precisity" (do not spread into other bands AND DO NOT INTERFERE with electronic equipment) and c) antenna gain.
so - 200dB antenna just would be illegal. There's nothing with license-free since you in fact would violate laws and void your permission to use the bands.
Maybe that's unimportant since all that record has in common with previous records in Wifi-distance are frequency.
--be smart today. emit a bit. and get bitten!.
I know honor is a bit a wrong argument to use when it comes to wars concerning the relation between personal rights and public interests.
But - I repair a lot of computers in my spare time (as well as at school - I need to them to work) and I have always handled the data of my "clients" as sensitive as possible. I wouldn't even throw away a failing hard drive without destroying as much data as possible and then gathering repair/tinker parts from the drive, destroying all data on the disc's surface using a strong electromagnet.
So if a service wasn't trustworthy, it might as well give up, since well-informed costumers tend to be VERY picky about that topic. A law, forcing technicians to inform executive institutions when they find "suspicious" content on the drive, would make many people stop using repair services.
That would lead to higher sales of computer manufactures (as well as to the bankrupt of a industry of small enterprises). Is this a law that was pushed by some PC-Lobby?
--- be critical. Just don't bite the bait. get bitten