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| eznec.com | |
| 网站标题： | EZNEC Antenna Software by W7EL |
| 网站简介： | Antenna analysis software by Roy Lewallen. |
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| 网站标题： | Tower Electronics |
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| wtfda.org | |
| 网站标题： | Worldwide TV-FM DX Association |
| 网站简介： | The club website of the Worldwide TV-FM DX Association |
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| johansontechnology.com | |
| 网站标题： | High Freq Multi-Layer High-Q Capacitors | Johanson Technology |
| 网站简介： | Johanson Technology provides High Frequency Ceramic Solutions for RF Capacitors, IPCs, Baluns, Inductors, Low/High/Band-pass Filters, Couplers, and Diplexers. |
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| kevtronics.co.za | |
| 网站标题： | Kevtronics CC |
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| 网站标题： | k1jek.com |
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| antennazoning.com | |
| 网站标题： | Antenna Zoning -- Fred Hopengarten, Telecommunications Lawyer |
| 网站简介： | Antenna Zoning for the Radio Amateur -- By Fred Hopengarten, K1VR. Everything a ham radio operator and his attorney needs to know to obtain a permit for a tower or antenna support system. |
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| 网站标题： | Aero Smith, Amateur Radio Products |
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