N2WU Radio Blog

Growing Pains Hi all, just wanted to give a quick update. Today, May 18th, my new callsign is N2WU. The website has been updated accordingly. Bear with me as I change the github, my QRZ, and various licenses/emails. [Read More]

USMA High Altitude Balloon Launch The moment you’ve all been waiting for. The definitive post on the launch. I will cover our payloads, rigging, launching steps, recovery, and steps for next launch. Grab yourself a nice cold space beer and fill up! [Read More]

DTMF Release Mechanism for HAB In the latest installment of the USMA Weather Balloon, I will go over a module that didn’t quite make it on. We planned on having a release mechanism for the balloon using a servo and specialized hardware, but scrapped it due to launch concerns. Strap... [Read More]

Weather Balloon: SSTV Beacon Welcome back! I took quite a hiatus from the blog to work finish up all my projects from the semester. Slowly but surely I will keep cranking them out. I’ll start first on my SSTV beacon that we put in the USMA Weather balloon on 24... [Read More]

10m HF WSPR Beacon for HAB One of my more aspirational payloads for the weather balloon used a WSPR beacon to characterize the change in the ionosphere’s height over the course of several hours. Here I describe my methods for installation and the antenna used for the design. Enjoy! [Read More]