The servers are in a state of harmony, however because pbs.org/activate of the idea of PCs they can escape adjust. Each machine runs a program to match up with our time server, however is anything but an ideal procedure and they will get marginally out of pbs.org/activate before the time is reset. The sum that they are out of match up (the maximum I've seen today) is around 1/4 of a second. The advertisements pivot like clockwork. If you somehow managed to tap on the listen live interface at one of those 5 moment interims, inside that time period (model: 1:05:00.1) http://pbsorgactivate.orgfree.com/