Hello Lars, Microwave test, if it absorbs microwave energy it will get hot in a microwave oven (also for it's a good idea to stick a glass of water in the oven as well)
but yes, I do believe they are yagi's -- Best regards, evilbunny mailto:[EMAIL PROTECTED] http://www.cacert.org - Free Security Certificates http://www.sydneywireless.com - Telecommunications Freedom Wednesday, October 2, 2002, 9:53:27 AM, you wrote: LA> Jon Baer wrote: >> Agency Probes D.C. Wireless Network >> The Associated Press >> Sep 29 2002 1:40PM >> [...] >> A Pringles can is ideal because of its shape - a long tube that lets >> someone to point it at specific buildings - and its aluminum inner >> lining. It acts like a satellite dish, collecting signals and bouncing >> them to the receiver, which is then wired into a laptop. LA> My own measurements indicate that the aluminum-colored lining of the LA> tube is not an electric conductor, and thus the Pringles antenna is LA> not a waveguide antenna (and not a satellite dish either, obviously). LA> Instead, I think it is a yagi antenna. Can anyone confirm or deny LA> this? Other models described on the web have the same rod-and-washers LA> (yagi directors) but a plastic tube instead of the Pringles can. LA> http://www.oreillynet.com/cs/weblog/view/wlg/448 LA> http://www.netscum.com/~clapp/wireless.html
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