[ADXA] QSL ITU terminology

Scott Branyan sbranyan at cox.net
Thu Apr 21 13:41:08 EDT 2022


Paco's station looks like the nostalgic kind too, Joel. 

EA8AF

73,
Scott



-----Original Message-----
From: w5zn at w5zn.org [mailto:w5zn at w5zn.org] 
Sent: Thursday, April 21, 2022 12:34 PM
To: Scott Branyan
Cc: ADXA
Subject: Re: [ADXA] QSL ITU terminology

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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