REPORT: U.S. Knew Of Downed Drones Vulnerabilities And Iran Says It Did Too

From EjWiki

The report,
Operating Next-Generation Remotely Piloted Aircraft for Irregular Warfare
was published "For Official Use Only" (FOUO) in April 2011 by the U.S. Air Force Scientific Advisory Board, and addresses electronic threats to the American drone fleet.

High caliber cell phone jammer can halt both frequencies that mean that you cannot get any signal from the other line. If you want to use a cell phone jammer there is only one device that you need and it is a frequency device. It is natural that cell phones uses different kinds of signals but one thing for sure is that all phones uses radio signal and this signal can be altered using a cell phone jammer. The actual degree of interruption of a cell phone jammer depends upon the locality and the strength of the signal. It can interrupt two frequencies or just one frequency.

Even more, Qatar asked for 24 AH-64D Apache Attack Helicopters
which are also in the pipeline for sale. That sale includes nearly 600 Hellfire missiles and 300 stinger missiles, as well as night vision goggles, 60 GPS systems, 30 radio jammers, 30 chain guns, and much more. 

The light emitted by a laser is no different than any other source except that it has a unique method of generating light. The type of laser used is an infrared semiconductor laser diode. The generated light energy has a wavelength of approx. 900 nanometers, with a beam divergence of 3 millenarians, equal to a beam width of about 3 m (or ft) at 1000 m (ft). Target acquisition times range from 0.3 to 0.7 seconds.
This laser is completely eye safe, meeting FDA Class 1 specifications. This means that you could stare directly into the laser for 3 hours without any harm to your eyesight. The radiated light power on MOST lasers is in the order of 50 microwatts, or in other terms, it outputs only one twentieth the light power of a typical TV remote control, and far less than a flashlight.

Lastly, you want to be able to upload your database as often as possible. People who drive for a living may want to refresh their database daily. Some providers limit the number of times you can refresh your database in a set time period.

You also want the database to be easily downloaded to your particular brand of GPS. Make sure the provider has their POI database formatted for your brand. Some have a generic database that takes a few steps of reformatting for your brand. It is easiest to have a database already formatted for your particular GPS brand.

The US military has raised concerns, even though the military and commercial GPS functions at different radio frequencies when compared to the civilian use. This is because these receivers used by the government actually at first require getting the C/A signal (civilian) before they can proceed to get the military used P(Y) signal. So in case you are planning to buy a GPS jammer, it would be better to check with the local laws first, to avoid running in to trouble later on.

The Wall Street Journal broke the story
the other day that the United States will be building a missile defense radar station at a top secret site in Qatar. While that's been widely reported, there have been  a recent bout of proposed foreign military sales to Qatar that have been largely under-reported.

If you want to get a GPS jammer for yourself, then it is very easy and cheap. Just buy a good one from one of the numerous online stores. But as mentioned earlier, it is better to check your local laws, because you would not want to have a rough time with the law enforcement folks after you get the GPS jammer shipped to your place.

Since GPS has always been mainly used by the military to locate the position and movement of enemy aircraft and to detect any unauthorized entry of aircraft etc in to home territory, use of GPS jammers has been restricted for the public. Well, the civilian GPS signal jammers do have different radiofrequencies than the military used ones, but there are still many countries who are not exactly comfortable with the idea of widespread use of GPS jammers by the civilians.

The word Laser actually stands for "Light Amplification by Stimulated Emission of Radiation." It is a form of electromagnetic radiation the same as radio and microwaves. The difference is that light has a much higher frequency than radio or microwaves.

Despite the fact that GPS has umpteen applications in civil, military and commercial use, many people seem to resent the fact that it can also take away their right to privacy. Nowadays companies are using GPS devices to monitor their vehicle fleets which are sent out for delivery of goods to the customers and other field activities. These GPS devices keep a tab on the whereabouts of the vehicle and the driver too. If you have been in such a position of constant surveillance, you would understand perfectly how uncomfortable it feels. Portable GPS jammers can come to your rescue in such situations. So a GPS signal jammer is actually a boon to people who are being pestered by the constant surveillance of their jealous lovers, nosey spouses or snooping bosses.

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