[ADXA] QSL ITU terminology

[Steve, W5KI]

Agree Joel (and Scott),

My memory is rough, but seems the questions on the exam(s) in those days 
referred to A1A for testing knowledge of frequencies and modes allowed.

But I'm could be wrong on what those stone tablets said, hihi.

Steve, W5KI


On 21-Apr-22 12:33, w5zn at w5zn.org wrote:
>
> That's interesting Scott.
>
> Back in my Novice days in 1972 and a few years beyond I saw that quite 
> frequently on  QSL cards and other documents to indicate CW. I had not 
> thought about it but I guess that sort of disappeared over the years. 
> For me it is nostalgic to see it once again !!!
>
> Thanks for sharing.
>
> Joel W5ZN
>
>
> On 2022-04-21 10:17, Scott Branyan wrote:
>
>> Received a nice return QSL card from Paco in the Canary Islands this 
>> morning for a QSO we had in February. Under mode, he filled in "A1A" 
>> to indicate CW. I see that is ITU classification for method of 
>> modulation (double-sideband amplitude modulation), nature of the 
>> modulating signal (one channel containing digital information, no 
>> subcarrier), and type of information transmitted on the carrier 
>> signal (aural telegraphy, intended to be decoded by ear, such as 
>> Morse code).
>>
>> https://en.wikipedia.org/wiki/Types_of_radio_emissions
>>
>> Never seen that before. It's cool, and I am sure CW ops love it for 
>> its superior way of expressing Morse code--A1A :-).
>>
>> Always something to learn.
>>
>> 73,
>>
>> Scott/W5AAJ
>>
>>
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