PBS stations are not required to begin digital broadcasting until 2003.
The show has been broadcast on over 200 PBS stations across the country.
PBS stations were the most likely, especially when airing a live concert.
In three years it has been on more than 80 PBS stations.
Was this done at all PBS stations across the country?
Television is limited to selected programs, news and sports events on the local PBS station.
In most markets the PBS station is the primary host.
Today it appears on 350 PBS stations and in 120 foreign countries.
But both series have been popular with PBS stations around the country.
By the end of 2005, more than 200 PBS stations picked up the series.