21. With his old analog system , he had a videotape for each day of the week. 22. Digital television ( DTV ) is a new technology that will replace today's analog system . 23. Most importantly, the action means that after 2006 the existing analog system of broadcasting dies. 24. Interoperability is robust, with most Northern Virginia jurisdictions ( except the VSP analog system ). 25. Unfortunately, in the case of analog systems , none of these properties are ever perfectly achieved. 26. Eurotel currently operates the only cellular phone service in the Czech Republic, an analog system . 27. It chose to build an inexpensive set-top box that serves cable TV's current analog systems . 28. Digital technology allows the transmission of data at two-to-three times the speed of traditional analog systems . 29. Eurotel currently operates the only cellular phone service in the Czech Republic, on the analog system . 30. Two prominent differences in functionality between the two methods are the speed variations of analog systems .
