Hobbies

• Ham radio my main hobby
• DNA software
• A relative's WWI diary

Tech Stuff

• Cyclostationary signal processing python tools and CSP blog companion
• Longley-Rice Irregular Terrain Model in python
• RF coverage mapping
• Antenna pattern viewer
• GNU Radio efforts
• Isolines in Java
• When to start taking Social Security payments

Retro Code

• Mathematical hat demo from the 1980s
• Spirograph in python
• Dunn's Bubble Universe using complex numbers
• 1973 Star Trek in python
• 1977 Crowther & Woods Adventure in python
• HP calculator programs
• Obfuscated C, 12 Days of Christmas

Retro Computing

• PiDP-8/I
• PiDP-11

Fun Stuff

• Tom Swift, Jr.
• Banana Splits

Eagle Scouts

• Nathan's BSA Eagle project
• Jonathan's BSA Eagle project
• ——Jonathan is now a UX designer!↗ He could improve this page. :-)

Education

• 1980s BS in Engineering? — humor (my wife got this at U of Md in the 80s)
• 1988 MS, Electrical Engineering — TTL Circuit Design
• 1998 PhD, Computer Science
• 2008 PhD, Civil Engineering
  Pedestrian movement  ·  Vehicular movement