These are defined for the use of Broadcast Orders in Workamajig.
Stations can then be linked to a Vendor that is in effect the parent company of those stations (i.e. Clear Channel is the Vendor, yet WKRP is the Station).
New Station Entry Screen
Go to Menu > Media > Today Media > New + > Station.
Default Stations View
Go to Menu > Media > Today Media > Views > Stations.