CD-R CD-R CD-R (Compact Disc-Recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most plain CD readers, i.e., CD readers manufactured prior to the introduction of CD-R. This is an advantage over CD-RW, which can be re-written but cannot be played on many plain CD readers. Originally named CD Write-Once (WO), the CD-R specification was first published in 1988 by Philips and Sony in the 'Orange Book'. The Orange Book consists of several parts, furnishing details of the CD-WO,
WARP-CD on channel 20. The station, previously WARP-CA, began broadcasting a digital-only signal in late 2009. WARP-CA's call sign suffix (CA for Class A Low Power) was changed to WARP-CD (Class A Digital) automatically upon grant of WARP-CA's digital license in late 2009. WARP-CD currently broadcasts four channels of standard definition digital TV: 20.1, 20.2, 20.3 and 20.4. Longtime owner Randolph Weigner (who controls Sunshine Broadcasting Company) sold WARP, along with sister station WPHA-CD in Philadelphia, to LocusPoint Networks in November 2012. The deal made WARP a sister station to WSVT-LD, which LocusPoint acquired a month later. WARP-CD WARP-CD is a