Home » Antennas
A 5/8th Wave Antenna for 146 Mhz.
![](http://www.vk1zdj.net/wp-content/uploads/2022/04/Antenna-132x150.png)
Last weekend I did some work for WICEN with the National Capital Rally, and during the drive in I remembered how terrible access to the 146.900 Mhz repeater on Isaacs Ridge was for me in the Xtrail. Normally,…
Read More »A New Antenna for 40M/20M
![](http://www.vk1zdj.net/wp-content/uploads/2021/07/Overall-200x150.jpg)
(or how I made a nice balun that should last a while) Inspired by an email I saw recently advertising the Chameleon 40/20 antenna (https://chameleonantenna.com/shop-here/ols/products/cha-4020-fd), as well as a review I saw on the HamRadioConcepts Youtube Channel by…
Read More »Yaesu FC30 Tuner Protocol
![](http://www.vk1zdj.net/wp-content/uploads/2021/04/Tuning-200x150.png)
Or how I (almost) interfaced an Yaesu FT-891 radio to an Icom tuner. I recently decided to replace my Icom IC708G in the car, as it had a weird ALC fault on transmit. It is afterall, a radio…
Read More »QRP Labs Ultimate3S
![](http://www.vk1zdj.net/wp-content/uploads/2019/12/81344113_2547071908873492_8864094668174917632_n-200x150.jpg)
Sooooo. A long time ago I discovered that I enjoyed using the Weak Signal Propagation Reporter (WSPR) to see how open various bands were during the day. I even went to various parks at lunchtime to set up…
Read More »WSPR in the park at lunchtime
![](http://www.vk1zdj.net/wp-content/uploads/2018/05/2018-05-03-14.11.47-200x150.jpg)
Inspired by Wade (VK1MIC) and Andrew’s (VK1AD) blog posts, I have decided to revive my old VK1ZDJ blog here and start posting what I hope are interesting articles. At the very worst, it allows me an environment where…
Read More »My First SOTA Activation – Tuggeranong Hill VK1/AC-038
![](http://www.vk1zdj.net/wp-content/uploads/2018/03/20180301_194333-200x150.jpg)
Having attended the AGM for the local Canberra Region Amateur Radio Club, I discovered that a group of SOTA enthusiasts were planning on activating a number of hills in the Canberra region on 01Mar2018 at 0800UTC. This seemed…
Read More »An interesting portable NVIS antenna
![](http://www.vk1zdj.net/wp-content/uploads/2018/02/Portable-NVIS-LG-200x150.jpg)
I have been researching NVIS antennas and have encountered a few interesting military versions. The AS-2259 is one example which uses a 3m mast and set of two offset fed dipoles (7.56 m and 11.22 m) The dipoles…
Read More »