-
Amateur Radio
Well, I’ve finally done it. After playing with CB for over a decade I went out and got my Amateur Radio ticket (ham speak for license) in December. Now licensed as KC1MJP. Haven’t done much yet, other than install a super cheap mobile in the car. For more goings on...
-
Well-Engineered RF Amplifier Powers Ham Radio Contacts
Typically, amateur radio operators use the minimum power needed to accomplish a contact. That’s just part of being a good spectrum citizen, and well-earned bragging rights go to those who make transcontinental contacts on the power coming from a coin cell. But sometimes quantity has a quality all its own,...
-
Understanding system calls on Linux with strace
A system call is a programmatic way a program requests a service from the kernel, and strace is a powerful tool that allows you to trace the thin layer between user processes and the Linux kernel.To understand how an operating system works, you first need to understand how system calls...