Welcome to Waves in Vacuum, the private site of Dave (OE1DVD).
Please see my Ham-Dictionary and my cheat sheet.
Posts
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Morse over Internet (MoIP)
Want to exchange Morse Code over the Internet? Read on if you want to know how.
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Converting words per minute (wpm)
How long is a dit at 12wpm?
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Logging into the Xiegu
Even if you don’t use Linux on your desktop pc you likely use it one way or another. You’ve got an Android smartphone, yeah that’s running Linux. You’ve got a Xiegu X6100, that’s running too! If you’re familiar with the command line you can even log into your device. Here’s how
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Farnsworth timing
In my post about how to learn morse code I explained how I started learning cw.
Some frustrating months later I had to adapt my way of learning.
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How to learn Morse code
One rabbit hole you can run down in the world of ham is CW. CW stands for Continuous wave and stands for sending Morse code via electromagnetic waves.
In this post I will write my way to learning Morse code.
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Monitor PMR channels with the Anytone
The Anytone is capable of receiving and transmitting on the band of PMR446. Since transmitting is not legal (power must be 0,5W and antenna must be fixed), here is what you need to set up in qdmr.
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Building your codeplug with qdmr
Following I’ve collected a few tips for using qdmr with the Anytone AT-D878UVII PLUS. If you are interested in how to install qdmr, see here.
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Cheat sheet
Talking on the air is pretty stressful the first times around. Next to the tips for repeater usage I always have this page open as little cheatsheet. Please use it for your first QSOs too.
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Xiegu X6100 - First thoughts
In the life of most amateur radio operators comes the time, that you’d like a transceiver to be able to use the hf bands.
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Connecting your morse key to your PC
When you learn CW you’ll want to practice sending at some point. Many programs help you with that, but you’ll need to connect a paddle (or other key) to your computer somehow. Following you’ll find out how I did it.
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DMR basics
First and foremost I highly encourage you to read the manual of qdmr. It is written very well and describes things in detail, without making it complex.
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Repeater How To
Talking on a repeater for the first time can be a daunting task. Potentially lot’s of people, especially seasoned OMs and YLs, who know the ins and outs of amateur radio, can listen. I know I was quite nervous my first few rounds. For that reason I want to provide a short “how to”, to help you at your first few calls.
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Anytone AT-D878UVII PLUS
My first path down the rabbit hole of ham radio should be with DMR. So I decided to purchase a Anytone AT-D878UVII PLUS.
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Installing CHRIP
Chirp (stylized as CHIRP) …
is a free and open-source tool for programming your amateur radio. It supports a large number of manufacturers and models, as well as provides a way to interface with multiple data sources and formats.
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Registering a Radio-ID
Registering a radio-id for dmr was a pain for me.
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Baofeng UV-9R Plus (Software)
I’m writing this manual as a reminder for me and for other amateur radio friends, who are underwhelmed by the Baofeng user manual. There is no special order, since I write about the steps I need.
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Baofeng UV-9R Plus (Hardware)
If you get into amateur radio there are two devices you’ll probably not get past.
- For listening an RTL-SDR USB stick
- For sending a Baofeng
The most famous Baofeng is the UV-5R, but I got myself an UV-9R Plus. Why?
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Designing your own QSL cards
One of the first things you want to do when you passed your ham exam is start designing your qsl cards. It’s a nice occupation for when you don’t have your licence yet.
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Motorola T82 (PMR)
Since it is a good idea to be able to radio with family members, who don’t have a amateur radio licence, I bought PMR radios. The choice was between “DeTeWe Outdoor 8000” and “Motorola T82”. As the title hints I chose latter one.
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Choosing your call sign
Choosing your call sign is an emotional step, when you passed your test. A call sign is like a username, it says something about yourself. But what do you want to share as a radio amateur operator? Which part of your many facets do you want to shine a light on?
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Cramming for the test
… or “How not to to study for your licence”.
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Installing qdmr
When I’ve got my licence I’m planning on getting an AnyTone AT-D878UVII PLUS. It uses the digital mode called DMR1.
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for more info on the modes refere to my Ham-Dictionary. ↩
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Ham-Dictionary
Radio amateurs have their on language. It starts with them referring to themselves as hams.
When a amateur radio operator dies he is silent key. His CW-Key does not produce any signals anymore.
Following I’ll provide my ham dictionary.
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Thomson formular
When studying for my licence I stumbled across the following formula to calculate the electrical resonance frequency of an LC-circuit.
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How to study for your licence
So you want to be a radio amateur? Great decision!
The steps I did were:
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Why become a radio amateur
Why did I start studying to be a radio amateur? Or to make it social media-esque…
Why you should be a radio ham!
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