QSO 947788 216619685 2008-06-02T13:31:55Z 72.93.162.100 '''QSO''' is a [[three-letter abbreviation]] with multiple meanings, as described below: *A quasi-stellar object ([[Quasar]]) *The post-nominals of the [[Queen's Service Order]] *The [[Queensland Symphony Orchestra]] *The [http://www.quincysymphony.org Quincy Symphony Orchestra] based in Quincy, Massachusetts, United States *A [[Q code]] for the exchange between two amateur radio operators or an SWL and an amateur radio operator or a commercial HF radio station <!-- *The Quantum String Orchestra [http://www.theqso.com] --> *The IATA airport code for [[Sousse, Tunisia]] *Geology code for glacial [[Sumas Outwash]] sediment *The [[Quantic Soul Orchestra]] {{disambig}} [[de:QSO]] [[eo:QSO]] [[fr:QSO]] [[ja:QSO]]