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PODCAST

DX Commander on Odysee

I"m Callum, M0MCX. This is my BACKUP channel to YouTube.I do not engage with comments on ODYSEE.com but it"s free-to-watch although not the 4K qualilty and frame rate you get over at YouTube.Thanks. Callum M0MCX

leisure

All Episodes

5:13

Dummy Loads for RF

DX Commander on Odysee ·

2024/03/31

This short video explains what a dummy load is, and what we use them for. Callum....https://www.youtube.com/watch?v=xed5E4go0CM

en

8:51

SWR for Newbies

DX Commander on Odysee ·

2024/03/30

This video explains SWR, how to calculate it - and should we worry about it?https://youtu.be/b9UUClfItrs - 7 Different Antennashttps://youtu.be/2sJkPpaNseE - Tune Any Antenna...https://www.youtube.com/watch?v=pF6KppvYsVU

en

11:11

Radiation Patterns ERP and EiRP

DX Commander on Odysee ·

2024/03/29

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 - Decibelshttps://youtu.be/UOMOogP7Z2w - Isotropic...https://www.youtube.com/watch?v=Cico04Gh9AU

en

10:38

7 Different Antennas

DX Commander on Odysee ·

2024/03/25

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...https://www.youtube.com/watch?v=b9UUClfItrs

en

8:56

Coax Cable, Balanced Line and Connectors

DX Commander on Odysee ·

2024/03/24

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 videoAlso see this Podcast:https://www.youtube.com/playlist?list=PLcC64tNkZB7xvc3rHlpqqCkiBdAzYe8cf Full Course Here...https://www.youtube.com/watch?v=FvH3mh9NACY

en

6:13

Who Can Use Your Ham Radio?

DX Commander on Odysee ·

2024/03/23

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...https://www.youtube.com/watch?v=qKhyeoQNm4o

en

30:36

The Incredible Story of Matt & Isabella - STEM...

DX Commander on Odysee ·

2024/03/22

This is an amazing story. Matt is Isabella's Dad. He's a STEM volunteer (sometimes also called STEAM) - this means that Matt has access to training, resources and equipment to deliver short, fun amazing little projects to inspire and educate others. His story is fascinating. Please watch and be inspired too! Callum.PS - Isabella's "cameo" appearance will appear shortly.....https://www.youtube.com/watch?v=DdvueID3y2U

en

78:39

Ham Radio CQ CQ Friday

DX Commander on Odysee ·

2024/03/22

Listen in, chat, call in, what ever you like. It's just for fun. Callum....https://www.youtube.com/watch?v=sC9KZ9oBHJk

en

6:32

Analogue to Digital Conversion - The Basics

DX Commander on Odysee ·

2024/03/21

Short video explain what Analogue to Digital is and also Digital to Analogue. We look at bit-depth and sample rate which both have an impact. CDs for instance have a sample rate of just over 44kHz and 16 bit sampling rate. Let's understand what this means. Callum....https://www.youtube.com/watch?v=7nQZ9QBDOFQ

en

6:59

Isotropic Antennas - dBi vs dBd - and Negative Gain

DX Commander on Odysee ·

2024/03/18

How can an antenna have a NEGATIVE gain - and still work great? I often quote gain in NEGATIVE numbers. What is that - and why do they work? Let's unpick dBd and dBi and why we need these numbers to benchmark our antenna results.https://youtu.be/G8DpvfEwyGshttps://youtu.be/bPAXxzwq8H8...https://www.youtube.com/watch?v=UOMOogP7Z2w

en

4:24

Fast Method of Tuning Any Antenna - the New SWR...

DX Commander on Odysee ·

2024/03/17

This calculator will tune any wire antenna - as long as you know where it's resonant now - and where you want it to be resonant. Have confidence, it works on quarter waves (verticals or dipoles), loops and EFHW antennas! Callum.https://youtu.be/BYF3FWV3nG0 - The older video I mentioned...https://www.youtube.com/watch?v=2sJkPpaNseE

en

11:10

Frequency and Wavelength and Speed of Light

DX Commander on Odysee ·

2024/03/16

Wavelength and Frequency can be worked out once we understand the speed of light. By dividing the frequency by 300, we achieve the exact wavelength. Try it yourself, divide 300 by 3.75 and you get 80m. That's the 80m band. In this video we discuss mains frequency, 3-phase, audio frequency and in particular, the famous 300 - to - 3000 Hz frequencies ideal for communications voice and also sound frequencies. Enjoy! Callum.Here's the SSB AM and FM video: https://youtu.be/RCzndSxwRaIMore of this series

en

8:14

HMD 300 Pro - Best Headset I've Ever Owned

DX Commander on Odysee ·

2024/03/15

I know you can buy headsets for a "fiver" but if you are serious, these take some beating. I plugged these into the TS-990s Ham Radio and was quite surprised. NOTE: I have EQ set on my radio for a Heil Headset - there is no doubt I could probably make both mics on show here sound a lot better..! Callum....https://www.youtube.com/watch?v=ezrgXEuTL1k

en

71:22

Friday is Funday - Live on Ham Radio

DX Commander on Odysee ·

2024/03/15

Join in, listen, chat, chill. It's just for fun. Callum....https://www.youtube.com/watch?v=kqebu_TEqT8

en

5:16

The REAL Difference Between FM AM and SSB

DX Commander on Odysee ·

2024/03/14

Why is aircraft-band on AM? Why do I hear a nasty squeal sometimes when two stations are on same frequency? Why can I hear all the stations on an SSB Pile Up? Let me explain. Callum....https://www.youtube.com/watch?v=RCzndSxwRaI

en

9:26

If You Could Tilt the Ground Under your Antenna??

DX Commander on Odysee ·

2024/03/11

Wow.. This is interesting.. Tilted Ground - or Tilted Antenna. Fascinating experiment! Callum.https://youtu.be/bPAXxzwq8H8 - the video about the 5 degrees...https://www.youtube.com/watch?v=9WUeEkhc1JM

en

77:24

CQ DQ.. I fixed my Remote Audio

DX Commander on Odysee ·

2024/03/10

Well.. I think(!) I have fixed it.. Let's test it out....https://www.youtube.com/watch?v=GKbnFEtni0Y

en

5:06

Cheap Trick to Display Your Radio DVI Output to...

DX Commander on Odysee ·

2024/03/10

All you need is a cheap USB HDMI capture card and CamDesk (software available on my site) and you can move your front panel or waterfall anywhere you like on your screen. Cool bananas..!...https://www.youtube.com/watch?v=GR4Tum8J5NY

en

0:28

Random Numbers Pile Up #radio #radiofun #antenna #pileup

DX Commander on Odysee ·

2024/03/09

Next time, it's random numbers folks!...https://www.youtube.com/watch?v=gfHOw_d2u70

en

11:05

How to Live-Stream Your Ham Radio Experience to YouTube

DX Commander on Odysee ·

2024/03/09

Folks often ask me how we do this live-stream "stuff". Here is a quick explanation - plus some tips you might like. Callum....https://www.youtube.com/watch?v=qlOoEvKea-o

en

176 results

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