Codan 9350’s are not indestructible

When Chrisitne got her new truck (4wd) I was keen to install some HF radio gear into it, i realised a codan 9350 auto tune antenna would be a nice addition, I had previously used a terlin tapped whip, and while this was a good performer, it was a pain to change bands when mobile!…

EARCHI End-Fed 40-6 build.

Back when I started Sota, i was looking for a quick and easy antenna for portable use, along the way other items have been built and obtained that have made this project not as critical. The project is a simple 9:1 Unun that creates a match for a random bit of wire, it still needs…

Core Flute Wire Winders…

The other week, the EMDRC club had a presentation on portable and lite HF antennas as well as some other ideas on portable operation. Len Steel vk3fb showed a nifty and cheap way of making some wire winders. The video of the presentation can be seen on YouTube at the bottom of this post. I…

Elecraft T1 ATU

Over the last weekend, the Moorabbin Ham radio club held their annual hamfest. I had just enough time to pop in for a quick look see. Overall, the event was similar to the ballarat hamfest I wore about last year. A mix of junk with the odd interesting item, some new gear from the usual suspects…

The $10 Squid Pole.

Randomly searching around eBay as you do, i discovered a place in Melbourne selling Cheap 8m long squid poles. They advertise them as pickup only, and a search of the seller name found me the store, a fishing shop in Dandenong. On eBay, its 2 for $26.50 with pickup, curious about the quality of the…

Portable PSK31 on the iPad

Digital modes on the radio are a bit of a Black art. In my quest to expand my radio options while camping. I discovered and purchased an 817-iPad interconnect cable and it arrived just before our trip. I’ll expand on that in another post, essentially it’s signalink type device for my iPhone/iPad. I haven’t really…

Sota Activation – VK2/SM-053 (Wollondibby Peak)

After our morning Activations to Box Ridge (SM-065) we headed back into Jindabyne for some supplies and lunch. The local Bakery at Jindabyne has really yummy Tandoori lamb pies, and i was keen to have one for lunch. The road back to the camp site passed another Sota Summit, VK2/SM-053, this is unnamed, at the…

Exploring random wire antennas!

In an effort to better understand the performance of my ft817 and the ZM-2 ATU, I’ve been exploring different random length wire antennas while camping. I read an article posted on a sota forum about random wire lengths and how to choose an efficient length, this article talks about the importance of choosing a length…