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J-Type Antenna Calculator
- Size: 0.01M
- Language: Simplified Chinese
- category: science tools
- System: winall
J-type antenna calculator, enter the required frequency to calculate the size parameters of the antenna.
The J-type antenna, also called the Polish antenna, is characterized by a low radiation elevation angle and a certain gain, and its efficiency is twice that of the 1/4 GP antenna. The upper part of the J-shaped antenna is the radiating section, and the lower part is the matching section. The adjusted impedance of the J-type antenna is 50 ohms and can be directly connected to a 50Ω coaxial cable. Because it is easy to use and easy to make, it is loved by many HAMs.
Version: 1.0 Green Free Edition | Update time: 2017-09-28
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J-Type Antenna Calculator Review
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1st floor Huajun netizen 2017-10-16 14:46:03The J-type antenna calculator is very useful, thank you! !
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2nd floor Huajun netizen 2018-04-16 06:55:02The interface design of the J-type antenna calculator is easy to use and has rich functions. I highly recommend it!
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3rd floor Huajun netizen 2018-01-04 17:14:17The J-Type Antenna Calculator is awesome! 100 million likes! ! !
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