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Showing posts with the label Ham Radio Antennas.

How to wind an end fed halfwave autotransformer.

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  Although I enjoy building and using end-fed halfwave antennas (EFHW), I dread making the autotransformer necessary to match my low impedance transceiver to the high impedance of the EFHW. However, thanks to this excellent video from Colin (MM0OPX), I have an easy-to-follow tutorial that takes me step-by-step through the entire construction process.  Colin helps you every step of the way until you're done with a sturdy, well-made autotransformer suitable for both low and high power usage. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=dgk0HtOuE0I. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM/AL0HA). Here are some comments from Colin (MM0OPX). Link to the spreadsheet of results https://docs.google.com/spreadsheets/... Demonstration on how to wind an End Fed Half Wave Autotransformer. Check out the Autotransformer in action -     • Build Yourself a...

How to build a dipole antenna in under 3 minutes.

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  Thanks to Hayden (VK7HH) for this ultra-simple method of building a basic, inexpensive dipole antenna.   Also, he offers valuable suggestions on how to adjust antenna length for proper tuning. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=La7J313TS4U. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Hayden (VK7HH): This is how you calculate how to build a simple halfwave dipole antenna in under 3 minutes - including a simple trick on how to work out how much of your antenna to trim off when tuning! Learn more ham radio for beginners with the Ham Radio in 30 Days: From Zero to Hero course! https://hamradiodx.net/30days Dipole Antennas on Amazon ➡️ https://geni.us/ycFxmAf Affiliate Disclaimer As an Amazon Associate, I may earn from qualifying purchases. Some product links are affiliate links, meaning I may receive a small commission at no extra co...

Welcome to my backyard, featuring the CHA SS25 & TM4 Superpod

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  If you need some inspiration for a compact, easily deployed HF antenna, please consider this backyard installation from Jared (AC7WH). The project consists of the popular CHA SS25 vertical, the TM4 Superpod, and a simple counterpoise/ground radial system. If you can't see the video, please insert this title URL into your browser search box:  https://www.youtube.com/watch?v=fmcMhsIaego. Thanks for joining us today. Aloha es 73 de Russ (KH6JRM). Here are some comments from Jared (AC7WH): This video shows my entire backyard setup for my ham radio station. My hope is that it inspires you to create something similar and improve and customize it to fit your own needs. See the links below for equipment featured in this video: Ham Radio Outlet: "ABR Industries 25400F-PL-25 25 ft Coax Jumper UHF Male PL259 Both Ends 400 Ultra Flex Cable LMR-400" https://www.hamradio.com/detail.cfm?p... Chameleon Antenna: "CHA SS25" https://chameleonantenna.com/shop-her... Amazon:...