QSO

From Free net encyclopedia

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
• A Q code for the exchange between two radio amateurs or a SWL and an radio amateur or a commercial HF radio station.
• The Quantum String Orchestra [1]

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