Pipe holders retain a first pipe and a second pipe having a connector cable extending through the second pipe. A line of stitching connects the middle two layers, defining a rectangular portion or other configuration, in the center of the pillow. Peak detector and storage circuitry is coupled to each of the output terminals of the current source circuits. Furthermore a simple pre-assembly testing methodology is accounted for as an additional benefit of the method. There are disclosed lipophilic antiviral and anticancer acyclic nucleoside phosphonate diesters, preparation thereof, and methods of using the compounds to treat viral diseases and cancer. The characteristic is detected using a calibration signal of a band equal to or close to that used for radio communication.