| austincontrarian.com | |
| 网站标题： | Austin Contrarian |
| 网站简介： | Chris Bradford on economics, zoning and Austin, Texas |
| 关键字： | economics Austin urbanism urban economics zoning land use census cities economics |
| 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 |
| 关键字： | antenna zoning amateur radio ham radio |
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