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11 items tagged "moon"
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patrick strasser [+],
moon phases [+],
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earth moon earth [+],
communication [+],
color [+],
clemens hopfer [+],
chaos communication camp [+],
andreas schreiner [+],
amateur radio satellites [+],
sql injection [+],
retrotechtacular [+],
red moon [+],
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orbit [+],
net stumbler [+],
moon replica [+],
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Wireless [+]
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9:01
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Hack a Day
If you were lucky enough to score passes to this year’s Burning Man, be sure to keep a look out for [Laurence Symonds] and crew, who are putting together an ambitious fixture for the event. In reality, we’re guessing you won’t have to look far to find their giant moon replica floating overhead – in [...]
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4:00
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Hack a Day
In 1966 and 67, NASA launched five probes to image the surface of the moon from orbit, eventually returning over two thousand high-resolution images of future Apollo landing sites and selenogical features to researchers on Earth. After taking its pictures of the moon, developing the film in orbit, and scanning the print with an electron gun and [...]
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9:01
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Hack a Day
[Terry Miller] picked up a moon light on the cheap. All it does is light up some white LEDs to simulate moon phases after sensing nightfall via an LDR. He figured he could do better and set out to replace the electronics with a more colorful offering. He chose to use an ATmega328 because he [...]
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9:01
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Hack a Day
[Terry Miller] picked up a moon light on the cheap. All it does is light up some white LEDs to simulate moon phases after sensing nightfall via an LDR. He figured he could do better and set out to replace the electronics with a more colorful offering. He chose to use an ATmega328 because he [...]
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15:36
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SecDocs
Authors:
Andreas Schreiner Clemens Hopfer Patrick Strasser Tags:
radio Event:
Chaos Communication Camp 2011 Abstract: Moon bounce, also known as EME (Earth-Moon-Earth), is a technique that allows two earth-based radio stations to communicate directly by using the moon as passive reflector. It is the longest path two stations on Earth can use to establish direct connection with each other. First developed the late 1940s by the United States Navy it was used as a revolutionary way to communicate without the uncertainties of shortwave radio propagation. The development of artificial satellites completely obsoleted this usecase only a few years later but the technique itself is still one of the most challenging tasks in radio communication. Today it's Amateur Radio stations that are practising the art of Moon bounce. We are here to tell and to show you how it is done. Amateur Radio Operators are one of the oldest sub-groups in the Hacker universe. Long before the term Hacker was coined there were people tinkering in their Shacks, building equipment and trying to communicate with like-minded spirits from all over the world. Moon bounce is not the newest kid on the block in the radio field but still most demanding in terms of necessary equipment as well as operating skills. We provide you with a little historic background, some basic facts about how radio communication even works and then explain what has to be done to achieve the goal of bouncing signals off the moon. In a weird coincidence we will actually have a Moon bounce setup at the camp site so expect some current pictures as well as juicy tales of the radio art. "But wait!" you say, "The moon's only up half of the day". Well, you're right. Remember those artificial satellites that replaced the moon in military as well as commercial applications? We have them too! Amateur Radio Satellites and even the International Space Station can easily be reached with a very modest radio setup so we will explore these communication modes too.
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14:49
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SecDocs
Authors:
Andreas Schreiner Clemens Hopfer Patrick Strasser Tags:
radio Event:
Chaos Communication Camp 2011 Abstract: Moon bounce, also known as EME (Earth-Moon-Earth), is a technique that allows two earth-based radio stations to communicate directly by using the moon as passive reflector. It is the longest path two stations on Earth can use to establish direct connection with each other. First developed the late 1940s by the United States Navy it was used as a revolutionary way to communicate without the uncertainties of shortwave radio propagation. The development of artificial satellites completely obsoleted this usecase only a few years later but the technique itself is still one of the most challenging tasks in radio communication. Today it's Amateur Radio stations that are practising the art of Moon bounce. We are here to tell and to show you how it is done. Amateur Radio Operators are one of the oldest sub-groups in the Hacker universe. Long before the term Hacker was coined there were people tinkering in their Shacks, building equipment and trying to communicate with like-minded spirits from all over the world. Moon bounce is not the newest kid on the block in the radio field but still most demanding in terms of necessary equipment as well as operating skills. We provide you with a little historic background, some basic facts about how radio communication even works and then explain what has to be done to achieve the goal of bouncing signals off the moon. In a weird coincidence we will actually have a Moon bounce setup at the camp site so expect some current pictures as well as juicy tales of the radio art. "But wait!" you say, "The moon's only up half of the day". Well, you're right. Remember those artificial satellites that replaced the moon in military as well as commercial applications? We have them too! Amateur Radio Satellites and even the International Space Station can easily be reached with a very modest radio setup so we will explore these communication modes too.
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4:00
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darkc0de
Wireless Moon 3.0,aircrack and net stumbler
0day.today (was: 1337day, Inj3ct0r, 1337db)
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