Bits, Bytes, & Radio Waves

A quiet journey through discovery and understanding.

  • Automatic Packet Reporting System (APRS)

    Note:This is a living page; the information may be confusing, incomplete, out of order, or possibly incorrect at this time. I am still learning and researching this technology. Background The Automatic Packet Reporting System, or APRS, was developed by Bob Bruninga (SK) for the US Navy back in the early 1980’s. Protocol AX.25 – https://www.tapr.org/pdf/AX25.2.2.pdf…

  • Amateur Radio License Journey

    I had some downtime recently with work and decided it would be a good time to get my amateur radio license. I started to look into the requirements with a serious focus. When I tell people I went from Technician Class (August 8, 2024) to Amateur Extra Class (September 17, 2024) in 40 days, naturally…

  • VMware Aria Suite Lifecycle, VMware Cloud Foundation (VCF), and VMware NSX Advanced Load Balancer (ALB) (Avi)

    Overview So besides all the variations of product names in play, pre-Broadcom acquisition and post, there is something that has been baffling me for quite some time. How to create the globalenvironment in VMware Aria Suite Lifecycle using VMware NSX Advanced Load Balancer (ALB) (Avi) as the load balancer. Installation Issues Things I am still…

Notes from practice

I use this site to document systems, configurations, and lessons learned as I work through real problems—both professionally and through personal experimentation. The goal is clarity: understand how something works, explain why it behaves the way it does, and make it reliable and repeatable.

These notes are written primarily for myself, but shared openly in case they help someone else avoid a dead end or reduce frustration. If you’d like to learn more, visit the About page.

If you have questions or comments, you’re always welcome to contact me.

Aaron Rombaut

Technologist & Writer