{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"HF Communications Systems and Technology","author_name":"John M. Goodman","thumbnail_url":"https://www.ebooknetworking.net/books/044/200/big0442001452.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0442001452.html\">HF Communications Systems and Technology</a>","width":400,"height":300}