Home » Antennas

A 5/8th Wave Antenna for 146 Mhz.

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

(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

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

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

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

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

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 »