Don't get on the air a whole lot these days, but still got antennas up and a couple of transmitters ready to go (1950s vintage Globe King 500 and a Johnson Valiant).
Mostly work 160 meter AM and CW.
Over the years, I've held the callsigns WN9LGD, WA9QMB, K9TA, and I'm currently W9LBB.
Mymain thing these days is so-called "Premium Receivers"... gear that was built and used for the ultimate in sensitivity, selectivity and stability intended for military and intelligence agency signal interception and intelligence gathering. I'm especially into Racal and Watkins Johnson equipment, mated to microprocessor equipment for decoding digital text transmissions.
I'm sort of a Spy Buff, but I have NO illusions about code breaking; rather, I concentrate on "Traffic analysis" intercepts. That's all about keeping track of WHO is transmitting coded messages, WHEN they do it, and looking for CHANGES from routine patterns... as well as keeping track of intended recipients when they can be determined.
Off and on I keep track of the transmission schedules of "The Lincolnshire Poacher" (a station allegedly operated by British Intelligence on Cyprus), the routine MOSAD transmissions from Israel, and Cuban "Spy Counter" transmissions (there'sa TON of those on short wave).
I'm also into exploring low frequency / Long Wave/ VLF transmissions, especially natural radio emissions in that frequency range.