frequency clock - gallery installation - [ aec98 v.0.0.1 beta ]   in september 1998 a beta version of the frequency clock was displayed at ars electronica 1998 in linz austria. the installation formed a part of the xchange presence in the openX component of the festival.     the installation was installed on four laptop computers, seperated at 2 - 3m intervals. the mini-FM transmitters were domestic quality cd-soundblaster devices. the headphones were FM radio receiving headsets.   featured net.radio station in frequency clock [ aec98 v.0.1 beta ] were: - l'audible, australia - radio ozone, latvia - convex tv, germany - interface pirate radio, uk - backspace radio, uk - r a d i o q u a l i a , australia   [ eaf v.0.0.2 ]   EAF, Adelaide, Australia, 99   [ vp00 v.0.0.3 ]   Video Positive, Liverpool, UK, 00   [ sNr v.0.1 ]   Sonar, Barcelona, Spain, 01