Category Archives: general

Toys Down Under

Posted on 14 May, 2012 by andrew

Toys Down Under offers kits for helicopters and other items useful for experimenters, such as Arduino and Picaxe products and kits.

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APRS tx, mini Fox tx, Receivers, GPS receivers

Posted on 17 April, 2012 by andrew

I came across the Byonics website today. While I cannot understand why anyone would want to advertise the location of their car via a continuous beacon on a 2m fm radio, especially when the car is unattended in a car … Continue reading →

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QRP Hours Contest 14 April 2012

Posted on 13 April, 2012 by andrew

Reminder that the QRP Hours contest is on 14 April 2012. Rules are in AR for April 2012. Here is a link to the rules on the QRP club site. http://www.vkqrpclub.org/qrp_hours_contest_2012.php Summary: 1000 UTC to 1059: CW section 3500-3530 khz … Continue reading →

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One Word Reviews

Posted on 31 March, 2012 by andrew

One Word Reviews allows gamers to add reviews of games for various types of computer, Xbox360, PS3, Wii, PC and others.  The site uses a novel approach to buyer feedback, allowing them just one word to summarise their view of … Continue reading →

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When is the sun due north?

Posted on 1 August, 2011 by andrew

Time Sun is due North (noon). Continue reading →

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Dayton Hamvention trip 2010

Posted on 17 May, 2010 by andrew

Dayton Hamvention: well worth going and seeing it, but only if you already have a reason to go to the US. It’s a long way for 2.5 days of hamfest. Continue reading →

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3400 MHz (=3.4GHz) [aka 9cm band] on the boil

Posted on 18 November, 2009 by andrew

For the forthcoming spring field day I expect to have a transverter for 3400 MHz on loan from Ted VK1BL.  Ted has built two transverters, one with about 15 watts output and the other with just 2 watts.  We will … Continue reading →

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Myths and Legends

Posted on 10 June, 2009 by andrew

Recently I was reminded of a conversation I overheard between two hams discussing which type of beam antenna is best, a full size type or a multiband antenna with traps in the elements to enable it to operate on multiple … Continue reading →

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Welcome to VK1DA’s weblog / blog.

Posted on 8 November, 2008 by andrew

Welcome to VK1DA’s blog. I’m Andrew Davis.  VK1DA is my amateur radio callsign, which was allocated to me by the Australian Government once I satisfied the requirements for an amateur radio licence. For more details of amateur radio licencing in … Continue reading →

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