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Views and Reviews
- What is SDR (Software Defined Radio)
- Difference between HF, VHF and UHF
- Antenna dB – The basics
- Isotropic antenna
- Best frequencies to use at night
- Magnetic storms for beginners
- RCAF’s Antenna fundamentals
- Radio transceiver effects on car electronics
- Static electricity and Amateur Radio antennas
- Understanding Antenna Gain in a Few Minutes
- How to build a foxhole radio receiver
- Deliberate interference and radio wars
- Building an efficient HF station
- Where do northern lights come from
- Where on earth are all the Amateur-Radio operators
- Understanding directional antennas
- The 80-40-20-10 meter fan-dipole project
- Beginner’s guide to HF radio propagation
- The 20-17-15 meter fan-dipole project
- SWR analysis of a Alpha Delta DX LB Plus antenna
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Tag Archives: Antenna
RCAF’s Antenna fundamentals
In 1959, the RCAF – Royal Canadian Air Force – made a serie of interesting training video clips on Antenna Fundamentals, with the help from the Canadian National Film Board. I love these old training documents, they hold a gold mine of … Continue reading
Understanding Antenna Gain in a Few Minutes
I often enjoy reading on a topic and then try to summarize it in a short article on this website. But today isn’t the case. Sometimes a simple instruction video does a much better job than all the words I … Continue reading
SWR analysis of a Alpha Delta DX LB Plus antenna
This article will show you SWR analysis of an Alpha-Delta DX LB Plus antenna installed 40 feet off the ground in an inverted-V configuration. The antenna ends are approximately 15 feet from the ground. I explained in details the tools … Continue reading
SWR analysis of a G5RV antenna
For the past few months, I’ve been tinkering with the idea of improving my current antenna situation, which includes a full length 102′ G5RV (10m-80m) installed horizontally at approximately 42 feet. In order to proper install and tune new antennas, … Continue reading