i Register
In some senses, qso is marked as dated, slang. Watch for register when choosing this word.
qso
noun 2verb 1
Definitions
noun
1
Initialism of quasi-stellar object (“a quasar”).
2
A radio-quiet quasar.
verb
1
To communicate (with) by means of amateur radio.
The basic award is issued when 500 countries have been successfully QSOed on the three bands.
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