QSO

noun, verb — 3 senses

QSO

noun

1

Abbreviation, Initialism Initialism of quasi-stellar object (“a quasar”).

2

Dated A radio-quiet quasar.

Related terms: PSO, RIQ, RLQ, RQQ, SSO, YSO

QSO

verb

1

Broadcasting, Media, Radio Ambitransitive, Slang To communicate (with) by means of amateur radio.

The basic award is issued when 500 countries have been successfully QSOed on the three bands.1993, CQ: The Radio Amateurs' Journal, volume 49, numbers 7-12, page 66:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.