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Old 9th June 2003, 01:37 PM   #1
Koy is offline Koy  Czech Republic
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Default DIY external aerial for mobile phone

Does anybody know how make external aerial for mobile phone ( Siemens) or knows any link about?
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Old 10th June 2003, 11:09 AM   #2
moamps is offline moamps  Croatia
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Hi,

In Elektor 4/99 is article (450kB, pdf) about building Yagi anntena for 900MHz GSM.
Mail me or note here if you are interested.

Regards
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Old 10th June 2003, 12:31 PM   #3
Koy is offline Koy  Czech Republic
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Thanks, I am interested - kojecky@bnzlin.cz. You will be very kind.
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Old 10th June 2003, 02:32 PM   #4
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how about putting the article here...would make an interesting project
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Old 11th June 2003, 06:02 AM   #5
Koy is offline Koy  Czech Republic
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Good idea. But the article has about 270kB. I looked up at the aerial. Yagi offers greater gain. I intended something simplier, like "single wire" aerial. Does anybody know how are these aerials build - like this¨
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Old 12th August 2003, 03:47 PM   #6
Koy is offline Koy  Czech Republic
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Hi. Aerial is finished and works very ( !) well. Thaks moaps.It fullfilled my expectations. At the place where I have almost no signal indicator of the phone lights in the middle. I made aerial from old TV one - so it costed allmost nothing. Reading about this issue I made some experiments with 1/4 and 5/8 lambda aerials with goods results too. Try it first before buying more expensive commercial aerial. More on my page - http://koy.hi-end.org/Audio/Bastleni/GSManteny.html. I am afraid you will be able to appreciate only pictures unfortunatelly . An english version is going to be done. When time allows.
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Old 18th August 2003, 08:47 PM   #7
Koy is offline Koy  Czech Republic
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I am sorry. Small mistake with address occured. Now http://koy.hi-end.org/Audio/Bastleni/GSManteny.html , it is right.
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