Retired from a career in radio astronomy, computer engineering, and academic IT management.

Amateur Radio:

First licensed 1957, present call sign AA6E. Operating HF in many modes, and some VHF. Writing for ARRL - QST, QEX and a book "The ABCs of Software Defined Radio". Personal ham site: aa6e.net.

Computing:

Linux (ubuntu) advanced user, programming with interests in Python, software defined radio, small computers (BeagleBoard, Raspberry Pi). Check out the UbuntuHams group.