EDITOR’S NOTE: I am introducing you to LTspice now because I plan to bring blog posts in the future in which you will be able to leverage LTspice to your advantage. Please download it and find various YouTube tutorials on its use. LTspice is free. Many amateurs are electronic enthusiasts and routinely design and build…
Month: January 2021
1000 FT8 Contacts in 14 days
As a new ham, there are many projects and areas of this hobby that I want to jump into all at once, and the idea of exchanging world wide digital text messages via the FT8 mode was one of the first. Make no mistake, though the amateur radio community might downplay the significance of ‘just…
Scanned Data — Part 2
In the first part (What is a “Scanned Data” Utility, Anyhow) we learned about the concept of quickly and conveniently transcribing plot data into a tabular form with precision. In this second part we will examine the use of a recommended scanned data utility—Plot Digitizer by Joseph Huwaldt. The first step in our examination of…
What is a “Scanned Data” Utility, Anyhow?
In the process of characterizing a physical device or process, the original performance specifications are published in a plot format such as illustrated in Figure 1. But suppose you need to have the data in a tabular format such as that of Table 1. How do you go about doing the conversion? The most obvious…
Professionalism in EmComm, Preparing for Auxcomm
On Saturday evening, January 9th 2021 I will be holding an interactive seminar from 8:00-9:00pm. This course is titled “Professionalism in EmComm, Preparing for Auxcomm”. This is a course I developed as a video, but I am going to introduce it as an interactive format to keep folks engaged. This is geared towards amateur radio…