Make the following paragraph more coherent.
As of September 2008 it is in 9800s series. Now series is issued in 7000 to 8999 unused blocks as the first one 7002-TT was seen at the Northern Beaches as of December 2008.
As of September 2008 it is in 9800s series, but now it is issued in 7000 to 8999 unused blocks as the first one 7002-TT was seen at the Northern Beaches as of December 2008.