May 2021
Intermediate to advanced
128 pages
5h 30m
English
Content preview from Make: Volume 77
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A
revolution is occurring in amateur radio that
opens up new opportunities for low-cost
worldwide conversations. With only an entry-level
amateur license, a budget handheld radio, and a
Raspberry Pi with a radio hat, you can now talk to
hams all over the world. This article will introduce
amateur digital voice (DV) technologies so that
you can get started in this exciting aspect of the
ham radio hobby.
Traditional analog voice tech has been losing
ground to digital voice technologies for years.
Voice over Internet Protocol (VoIP), audio and
video streaming, cellphones — they all perform
analog-to-digital conversion of audio signals.
As digit ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.