When shipping parts is not an option or if luggage space is restricted, a virtual lab is utilized. Comprehensive Virtual Labs have access to references, online books and manuals, data, software, and other resources. Online versions exist for schematic design and with a variety of test equipment. Sources for online storage of files and documents are also provided.
In summary, the VLF has a full library, design center, archive and storage, word processing, data base control, remote control center, telescope control, a programming center, schematics, communications, and image acquisition and processing.