Well, been on the air for about 26 years. Yes, My 'call' is KU4OJ which was randomly assigned to me by the FCC. The arrangement of the letters and numbers indicate to any listening station that I am a US station, in the 4th call zone (southeatern states) and am an Advanced Class or higher license class. I actually hold the highest class of extra.
"73" is left over from the old commercial telegraph days where you paid by the word. There was a list of about 100 common phrases, and you could pick from this list and save a few pennies on the cost of your telegram. The code "73" means "very best wishes" and "88" means "love and kisses" It has become a bit of ham radio slang.
If aintgotnun will send me an email, I'll send you some pics that you can post for me. I don't jave a place to put them up to link to.
One of the reasons I like that 8280SS 5W is that the floor plan lends itself to radio operaions there in front of the big window in the side.
I work for a company that produces business grade satellite receivers and the uplink/net control hardware and software to deliver multi-media content via satellite. I still like to play with radios. Even at work.
If you want to learn more about amateur radio go to the ARRL web site