[vannrox]

A good read.

[RightWhale]

This should work just fine for stationkeeping.

[anymouse]

NASA is only about 8 years behind the commercial (Tether Applications)/academic (UAH SEDS) sector that used a tether to deploy a small satellite (SEDSAT-1) from a Delta II upper stage in 1998.

http://www.tetherapplications.com/seds1.htm

http://www.seds.org/sedsat

http://www.astronautix.com/craft/sedsat.htm

http://space.skyrocket.de/doc_sdat/sedsat.htm