Building the 9:1 End Fed Random Wire antenna with Common Mode Choke
Building the 9:1 antenna with common mode choke.
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M0VUE
Aug 231 min read
Efficiency testing our 56:1 300w SSB and 150w CW/Data QTH EFHW transformer
Following testing of our new QTH transformer using a Fair-Rite 2643101902 Mix 43 round core, I thought it would be a good idea to do...
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M0VUE
Aug 222 min read
New 100w EFHW QTH transformer in final testing
We have been selling the Fair-Rite 2643101902 Mix 43 round core for some time as an ideal core for making 100W EFHW transformers, as well...
114 views0 comments
M0VUE
Aug 219 min read
Tuning a Dipole or EFHW antenna!!!, and other ramblings.
When we sell kits the biggest question we get after the kit is built is "how to tune the antenna". So, we have written this short blog to...
122 views1 comment
M0VUE
May 108 min read
Building the EFHW with Common Mode Choke
Building a EFHW with CMC.
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chris57908
Oct 30, 20232 min read
Building the BCI Filter
Firstly thanks for purchasing a filter from us. The Radio-Stuff.com BCI filter is a high pass filter with a cut off just below the 160m...
185 views0 comments
chris57908
Sep 21, 20231 min read
Two new YouTube videos
Hi, It seem like I'm now a youtube star with this video from Carl M0SZT. Also Morten LB0FI a client from Norway has made a build video on...
166 views0 comments
chris57908
Sep 13, 20232 min read
Broadcast Interferance Filters
A little while ago I purchase a Xeigu 6100. One thing I did notice however was an issue where my local AM station transmission bled over...
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M0VUE
May 24, 20233 min read
A note on End Feed Half Wave broad band transformer efficiency
The efficiency of an End Fed Half Wave (EFHW) antenna transformer can vary depending on several factors, including the design of the...
221 views0 comments
M0VUE
Apr 24, 20233 min read
Dipole facts
Dipole length The length of a dipole is determined by the frequency of the electromagnetic wave it is intended to transmit or receive....
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M0VUE
Mar 22, 20232 min read
SWR sweep of different EFHW 49:1 transformers
I had a client contact me a couple of days ago with an issue with one of my transformers a 2xFT240-43 transformer. To help them out, I...
291 views0 comments
M0VUE
Mar 21, 20232 min read
EFHW with built in Common Mode Choke
I wanted to answer the question of where to put a common mode choke on an EFHW and do I need a counterpoise all at the same time. Kinda...
459 views0 comments
M0VUE
Feb 21, 20232 min read
Another February SOTA G/SE010 40m activation
Firle Beacon is very easy to get to. The car park is at the end of Fire Bostal just off the A27 heading from Brighton to Eastbourn. When...
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M7EFU
Feb 18, 20232 min read
Review of common mode choke Fair-Rite Mixes 31 and 75
I contacted Chris at Radio-Stuff for advice on choosing a common mode choke to reduce electrical noise in my shack. My hobby is...
42 views0 comments
M0VUE
Feb 7, 20233 min read
February SOTA G/SE009 Chanctonbury 20 meter activation
The weather forecase was excellent but cold for the 5th February 2023. So I decided to packup and go for a quick SOTA activation before...
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M0VUE
Feb 1, 20231 min read
An inexpensive and effective Common Mode Choke for Long Wave listening.
One of our Short Wave Listener (SWL) clients recently request a Common Mode Choke suitable for long wave reception from low KHZ to around...
102 views0 comments
M0VUE
Jan 16, 20231 min read
Our Ultra Portable EFHW antenna makes a breif YouTube appearence.
I sent one of the Ultra Lightweight EFHW antenna to Carl M0SZT to try. It is quite interesting to see Carl use the antenna along with...
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M0VUE
Jan 5, 20234 min read
Short Wave listening
What is short wave listening? Shortwave listening, also known as SWLing, is the hobby of listening to shortwave radio broadcasts from...
22 views0 comments
M0VUE
Oct 31, 20221 min read
CQ World Wide Contest, playing with my antennas day 2
So after playing around on day 1 of the competition at home I decided to got onto a SOTA SE-009. Unfortunately it got really windy so I...
28 views0 comments
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