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Hi, I'm Elijah Brown and welcome to my site, AD7ZJ.net! The name AD7ZJ is my ham radio callsign, and I occasionally post stuff I'm working on here for my own reference and for the benefit of anyone else who is interested.

Image taken off an ANSR flight from approximately 40,000 ft

Airplane Stuff

• Cessna 140
• ASW 15
• PIK 20B
• Remote Cellular Switch
• Fixing a Stratus 1
• Vaisala 425A Anemometers
• OpenAWOS
• FLARM Teardown

Balloon Beacons & Tracking

Arizona Near Space Research (ANSR) flies unmanned high altitude balloons around Arizona both for fun/education of its members and in support of several college programs. I have been involved in the maintenance and design of the flight tracking beacons identified below. For general info on the club or on student payloads, please visit our main site ansr.org.

• KA7NSR-12 (Flight Computer)
• New Flight Computer (KA7NSR-14)
• PIC APRS Beacon (AD7ZJ-11)

Ham Radio

Radio's I've had, projects I've done.

• Kenwood TS-2000
• Motorola XTS-5000
• Kenwood TM-D710
• Kenwood TH-D72
• Vertex VXA-700
• Vertex VXA-150
• Icom IC-A21
• Yaesu VX-8GR
• Helical Magnetic Loop Antenna
• Maxon Data Radios
• DIY Current Meter
• VHF and UHF antennas

Renewable Energy

• DIY Solar Tracker
• Small off-grid solar setups

Misc Stuff

• Useful links
• Voltage Regulator Tube Lights
• Honda CRF230F
• Iteris RZ-3 Cameras
• Single Digit VFD Clock
• Single Digit IN-18 Nixie Clock
• Raspberry pi notes
• KD7LMO Archive
• Dump Windows Cert Authorities
• Vocore Temperature Logger
• OpenWRT expressVPN setup
• Chevy K1500 4L60E Transmission Rebuild
• Convert MCS to BIN

Getting started with MediaWiki

• Configuration settings list
• MediaWiki FAQ
• MediaWiki release mailing list
• User's Guide for information on using the wiki software.