The following is the results of a googlebooks request,
Hello Richard, Thank you for contacting us. [These books were] provided to us via the Library Project. There are many reasons why a Library Project book might not be fully visible. For books that enter Google Books through the Library Project, what you see depends on the book's copyright status. For more information on why some books aren't available in full-text, please visit our help center. We have begun the review process for this book to determine if we can make it available for you to view in full. Please be aware that it may take some time to fully determine the correct legal status. Additionally, copyright law varies by country so please let us know if you are outside of The United States. I appreciate your patience with this request. I will let you know when we have further information to share.Sincerely,Will The Google Books Teamhu...... After a few days they sent two more emails:
Hello Richard,The book that you sent in has been approved for full view. You should be able to view the complete contents HERE. Please let me know if there's anything else we can help you with.Sincerely,Will The Google Books Team
Well that was easy. I got two document series granted full view and download. Both are great, but here's the first one from Grist magazine Dec. 1972, These are from when TIS/HAR stations first went into regular operation, They were all Part 15, and the first of their kind These are also the reason the ground lead were written into 15.219, as wel as the almost disallowing the alternate rule for manufactures..
What's even more interesting was the 1971 Highway dept documents which includes these: https://books.google.com/books?id=7jBSAAAAMAAJ&q=info+systems#v=onepage&q&f=falsetake you straight to it.
Pages 575 to 586.. Gold mine of story of where part15AM as we know it today began. Info System proposes Federal ìHighway Department