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DONE BY IMPROPER EARTHING AND CARELESS ENGINEERING.
Here "no network vilage" means to very remote area. and no cellphones are able to catch the signals (very weak). however slight signals are must for yagi antennas.
Frequency : 1800 MHz
Wavelength : 167 mm
Rod Diameter : 3 mm
Boom Length : 370 mm
Elements : 10
Gain : 11.80 dBd (approx.)
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Reflector Length : 80 mm
Reflector Position : 0 mm
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Dipole legnth : 5% less than reflector
Dipole Position : 40 mm
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Director #1 Position : 52 mm , Length : 76 mm
Distance Dipole - Dir. #1 : 12 mm
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Director #2 Position : 82 mm , Length : 75 mm
Distance Dir. #1 - Dir. #2 : 30 mm
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Director #3 Position : 118 mm , Length : 74 mm
Distance Dir. #2 - Dir. #3 : 36 mm
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Director #4 Position : 160 mm , Length : 74 mm
Distance Dir. #3 - Dir. #4 : 42 mm
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Director #5 Position : 207 mm , Length : 73 mm
Distance Dir. #4 - Dir. #5 : 47 mm
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Director #6 Position : 257 mm , Length : 73 mm
Distance Dir. #5 - Dir. #6 : 50 mm
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Director #7 Position : 309 mm , Length : 72 mm
Distance Dir. #6 - Dir. #7 : 53 mm
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Director #8 Position : 364 mm , Length : 72 mm
Distance Dir. #7 - Dir. #8 : 55 mm
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小儿女记事系列11---赔我一亿个冰淇淋&答谢完毕,大花朵真人秀已删） (2009-9-9) 清凉 
发表于 2020-8-24 00:00
