QSO

Simulated morse code conversations (called a QSO in ham lingo) can also be sent.

MacTech News dsellers 2010

This new proposed scheme (in which each party hears the other, but they never have a two-party exchange) is a re-definition of "QSO".

eHam.net News 2009

Lawrence Crowell is quite correct that some material must be present to feed the SMBH, otherwise the QSO would cease to shine, And this is exactly what the new observations have shown.

Quasar Caught Building Future Home Galaxy | Universe Today 2009

I would think the QSO and the galaxy are gravitationally bound objects, where the black hole gathers material with each passing through of the galaxy.

Quasar Caught Building Future Home Galaxy | Universe Today 2009

A few days later SV1AT had a cross-band QSO with George

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly

QSO I arranged schedules for Moonbounce with two stations in Sweden.

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly

One can be in QSO on 20 metres via ground wave with a station a couple of hundred miles away with signals around s2 to s3.

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly

A.ter a visit to the U.S.A. Deloy was able to improve his equipment and on November 27th 1923 he contacted Fred Schnell 1MO of West Hartford, Connecticut for the first ever 2-way QSO across the A.lantic.

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly

In the course of a QSO she told us to listen carefully.

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly

And so it was that the first 'mobile' QSO took place on 2 metres between licensed Greek amateurs on the 27th of January 1965 at 19.25 local time.

The Dawn of Amateur Radio in the U.K. and Greece: a personal view Norman F. Joly