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VK5CZ Australia flag Australia

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Ive been a Ham since 1980  as  VK5NOT  1993 as  VK5XE then changed to VK5CZ a while ago I forget when.

I am Vintage 1952 and live in The Clare Valley 140 km north from Adelaide . My home station consists of several Icom and Alinco radios with wire antennas for 80 40 30 metres and I have 2x7 element Log Periodic arrays. My bigger LPA is at 50 feet with coverage from 18 to 30 MHZ ,7 elements on a 6 metre boom and this antenna has been in use for 37 years with a couple maintanence rebuilds. The smaller LPA is home made again 7 elements on a 5 metre boom and it covers 24 28 50 MHZ, this antenna is 30 feet off the ground on a separate smaller tower. The formular for element spacing on the home brew log was given to me by my brother BoB VK5FB many year ago and it is simply the element spacing and element lenght is minus the previous element and spacing by 16.4 % until the boom was full of elements which turned out to be 7. The longest element needs to be around a half wave on the lowest band you wish to operate on. 

I  enjoy activating and chasing SOTA summits. I use a Elecraft KX3 for SOTA activations, my current  QRP / SOTA antennas are SOTA beams 2 band link dipoles one for 40/20 m and one for17/15 m. I take two 9.3m clip on wire extensions to make the antenna resonate on 80m so I can work the closer in chasers. I have experimented with several antennas for SOTA, I am still undecided which antenna is better as I usually manage to make contacts on what ever antenna I take with me. But!. What they are is what they be. A piece of wire. Keeping that back pack as light as possible is a great challenge as well when walking up hills, LiFe and LiPo batteries have helped a lot as a good power source that is reasonably light and reliable.

The latest Rig, "as you can never have enough" is a YouKits HB-1B qrp cw trx with a YouKits MT1 tuner which works quite well. The HB-1B has a very nice reciever even on a noisy 40m band it pulls signals out very well and the MT1 tunes the 81.5 foot end fed wire nicely. I use about 28.5 feet of counterpoise wire for all bands when the 81.5 foot wire is the radiator.I have tried the 81.5 foot end fed in my yard on a SOTA Chase and it works very well with the YK MT1 tuner to the HB-1B or the FT 817. Being an antenna skitso geek I am always experimenting with antennas or fumbleing in the dark in my back yard when not out on summits. I will often give chase to other acivators from my yard at home to test my antenna to know if there would be a possibility of a Summit to Summit qso.

I enjoy cw mostly but I am able to converse in voice modes and I have been trying FT8 digital mode as well.There is an IRLP repeater close by on vk5rmn and I am part of the management team to run vk5rlh 2m repeater 45km to my west. I have written about the rebuild of the Lochiel repeater in one of my Blogs at the link below. 146.600 simplex is the local 2m liason frequency for an active group of like minded folk who keep in touch there.

I have several Blogs written about My SOTA activities and summits I have visited, to date SOTA has been active in VK5 for 5 years. I am still on the quest for Mountain Goat and look forward to achieving that goal within the next two winter seasons.

My Blog



73 DE Ian vk5cz ..

8513939 Last modified: 2017-12-15 08:22:20, 3546 bytes

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