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DX Commander Youtube

Friday Fun from Callum in Warwickshire

Friday Fun from Callum in Warwickshire


Usual Friday fun – with a slight twist.. 73 Callum.
Link that I mention: https://raffall.com/356015/enter-raffle-to-win-dxc-expedition-hosted-by-callum-mccormick

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DX Commander Youtube

*THIS* is how Sean Got Into Ham Radio

*THIS* is how Sean Got Into Ham Radio


A bit of fun with Sean here. How did you get into Ham Radio and what is your first Radio memory? Let’s go! Callum.

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DX Commander Youtube

My Amazing Friend, Jim Heath – W6LG

My Amazing Friend, Jim Heath - W6LG


Jim always comments to my videos, he even joins my live-streams. But Jim isn’t very well.
https://www.paypal.com/donate/?hosted_button_id=F559TA6NT8QRU Link to PayPal
https://www.buymeacoffee.com/hamcq73c Buy Jim a Coffee
https://www.youtube.com/@ham-radio – Subscribe to Jim!

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DX Commander Youtube

The World’s Most Expensive Antenna Wire

The World's Most Expensive Antenna Wire


Incredible Breakthrough! Infinite Variable Velocity Factor means NO TUNING any more. SWR will be a thing of the past! The VF follows the wavelength in a linear fashion. Quite remarkable! What do you think?

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DX Commander Youtube

Dummy Loads for RF

Dummy Loads for RF


This short video explains what a dummy load is, and what we use them for. Callum.

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DX Commander Youtube

SWR for Newbies

SWR for Newbies


This video explains SWR, how to calculate it – and should we worry about it?

https://youtu.be/b9UUClfItrs – 7 Different Antennas
https://youtu.be/2sJkPpaNseE – Tune Any Antenna

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DX Commander Youtube

Radiation Patterns ERP and EiRP

Radiation Patterns ERP and EiRP


What is gain, how do we measure it? We look at some real-world examples and show you the difference between Effective Radiated Power (ERP) and Effective ISOTROPIC Radiated Power (EiRP).

https://youtu.be/G8DpvfEwyGs – Decibels
https://youtu.be/UOMOogP7Z2w – Isotropic

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DX Commander Youtube

7 Different Antennas

7 Different Antennas


A closer look at seven different antenna types; Ground Plane, Dipole, Yagi, Long Wire, 5/8th, Fan Dipole and Loops. Callum.
https://youtu.be/bsU-DoQQ3gc – Link to video discussed

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DX Commander Youtube

Coax Cable, Balanced Line and Connectors

Coax Cable, Balanced Line and Connectors


In this video, we discuss the basics of coax and ladder line (balanced feeder). We look at PL259, N-Type, SMA and BNC connectors.
https://youtu.be/SnEfMDh2B3M Coax Loss Video – discussed in video

Also see this Podcast:
https://www.youtube.com/playlist?list=PLcC64tNkZB7xvc3rHlpqqCkiBdAzYe8cf Full Course Here

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DX Commander Youtube

Who Can Use Your Ham Radio?

Who Can Use Your Ham Radio?


The recent rule-change means that under supervision, and making sure the "rules of the road" are followed, you can allow another person, including children to use your radio equipment. Let’s follow Isabella’s story and get inspired to do the same. What do you think? Callum.
https://youtu.be/DdvueID3y2U Full interview with Matt