Results for the WIA VHF/UHF Field Day Summer 2014 contest have just been released.
I was amused (it doesn’t take much) to note that the Contest Manager did not quote the number of logs received, as in recent years.
To … Read more...
Finally!
Presenting the VK4 Microwave Activity Day video for July 2013.
Thank you to all those who shot some video – without the efforts of these people – there would be absolutely NOTHING to watch!
A special acknowledgement to Peter, … Read more...
Depending on the size and wind load of your antenna system, you may be able to get away with using tripods and mounting schemes intended for consumer grade video and still photography. 
At right, you’ll see an example of 2.4 … Read more...
This article also applies to: Yaesu FT-7800, FT-7900, FT-8100, FT-8800, and FT-8900
Having just recently acquired a pair of Yaesu FT-7800R VHF/UHF Twinband transceivers, a programming cable was now needed.
Only after a few minutes searching, and we find warnings … Read more...
A Trimble ThunderBolt GPS Disciplined Oscillator (GPSDO) is the main 10 MHz station reference, and was originally built into a dual-band 2.4/3.4 GHz transverter system.
Now that a larger and more powerful 3.4 GHz PA module is to be installed … Read more...
The dual-band 2.4/3.4 GHz transverter system currently runs a Toshiba UM2784B Power Amplifier on 3.4 GHz, nominally 8 watts output, as seen on the right, mounted on a slab of copper with a heatsink. This unit is being removed.
A … Read more...
The DL2AM 10 GHz 10 Watt Power Amplifier arrived recently, and was “unboxed” today.
(Click on the pictures, to see them full-size)
Manufactured by Philipp Prinz, DL2AM, this requires;
My Kuhne 10 GHz … Read more...
Post by N1JR ยป 08 Jun 2012, 21:03
I sometimes use “Lady Heather” monitor software on my computer for my Thunderbolt.
I have noticed that when I do, after a while, Adam’s Thunderbolt Monitor stops reading the correct outputs, i.e. … Read more...
Brisbane 10 GHz Activity Day, October 27, 2013
Iain, VK5ZD, is operating portable from the Gold Coast, whilst other stations are operating S/E QLD.
A fun MAD (Microwave Activity Day) on 10 GHz!
[jwplayer mediaid=”1330″ image=”http://vk4ghz.com/wordpress/wp-content/uploads/Poster-10G-MAD.jpg”]
I was recently considering the purchase of one these 2.7 GHz frequency counters, available from Jaycar and other suppliers.
Although 2.7 GHz capability is very appealing, a primary requirement was to have the ability to lock it to the shack … Read more...
Tech Talk at the Redcliffe & Districts Radio Club, September 16, 2013, “A passion for microwaves”, by Doug Friend, VK4OE.
Doug discusses some microwave history, and takes a look at how easy it is to get active on the microwave … Read more...
Looking for some power on the 3400 MHz ham band?
Toshiba UM2683B 3.5 GHz power amplifiers are available on eBay from AECI South, that become a plug & play solution for 3.4 GHz.
Buy it now price ~ AUD$200 … Read more...
ThunderBolt Display documentation has been updated to reflect the subtle changes of the V3 PCB.
Please note:
As of this afternoon, 25 of the batch of 50 units have already been paid for, 10 of which have now been posted overseas from orders received last week.
More being posted tomorrow.
The last 25 remain uncommitted.
First in, … Read more...
A new video takes a look at what the ThunderBolt Display displays!
[jwplayer mediaid=”1181″]
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