Ryan Petris

The Upcoming Hardware Divergence

"All this has happened before. All this will happen again." - Pythia, Battlestar Galactica

Today, when purchasing or downloading software, you generally only need to worry about whether it's designed to work with Mac OS or Windows, or perhaps even Linux, and nothing else. You don't have to check whether the …

Why I Use Linux

Roughly 15 years ago I abandoned Windows for a Mac, and since then have been flip-flopping between MacOS and Linux as my primary operating system. For the last 15 years, as long as I was running some Unix-like operating system, I was happy. However, even when I was using MacOS …

Goodbye, Mandrill

I received the following email from Mandrill yesterday which unfortunately means that I will have to discontinue my usage of Mandrill for sending and receiving email. Specifically, I am currently using a free Mandrill account as the incoming email provider for Disposamail, and continuing my usage of Mandrill is not …

Baofeng Interface


For those of you that were at the TechFest this weekend and wondering where the schematic was for my Baofeng interface, above is the schematic for it. This schematic is also available on Digi-Key’s SchemeIt. Have fun!

The Baofeng Mystery

Radios Standing
BF-F9 V2+ (left) and BF-F8HP (right)

Update: I have since taken the BF-F8 HP completely apart and the backing appears to be painted aluminum, not plastic, and have updated this article accordingly.

I’ve gotten into amateur radio recently and therefore have been looking into a lot of different handheld …