http://www.kb6nu.com/ham-ham-radio-ham-radio-amateur-radio/ http://www.kb6nu.com/ham-ham-radio-ham-radio-amateur-radio/ https://en.wikipedia.org/wiki/Etymology

http://www.kb6nu.com/ham-ham-radio-ham-radio-amateur-radio/ http://www.kb6nu.com/ham-ham-radio-ham-radio-amateur-radio/ https://en.wikipedia.org/wiki/Etymology_of_ham_radio https://en.wikipedia.org/wiki/Etymology_of_ham_radio > I don’t think that you can argue with this. Let’s avoid confusion by using “amateur radio” when writing about our hobby/service. I’d even urge the ARRL to rethink their use of “Amateur Radio.” Sometimes, it may be OK to use “ham radio,” but it’s just not correct to use “HAM radio” or just “HAM.”