The Airhead tech guru, Oak Okleshen (AskOak@aol.com), does not have his technical articles available online. The current tech index is approx 60 pages and covers from January 1995 thru January 2008, and supersedes all prior issues. Price is 21.00 postpaid first class USA. Inquire for extra postage foreign mailing. ( it varies with country. ) There is a tech index available for Airhead members indexing the tech articles in past issues of our monthly magazine ( AIRMAIL) from Jan 1995 thruJan 2008. The cost is 21.00 postpaid USA. The purpose of the tech index is to enable the ABC member, in minutes, to quickly search the back issues for specific technical topics of need. The index could easily save many hours, if not days, of needless searching.