06-07-2017, 07:51 AM
BUMP to the top of the list...
This event is now only just over a week away so it is about time to get preparations underway:
DATE/TIME: Start Time is 08:00 UTC and finish time is 14:00 UTC, 15th July 2017
Bands: 160 / 80 /40 metres
Rules: http://www.wia.org.au/members/contests/transtasman/
The 160 - 80 - 40 metre trapped v dipole mentioned in my previous post has been duplicated by Brendan VK4BLP with somewhat similar results and I am hopeful that he will get it up in the air in time to participate. I am in the process of re-tuning my East-West fan dipole (160 /80 / 40/ 30) after changing (increasing) wire-wire spacing and that has altered the resonance dip frequencies (bar on 160, they all went up the bands) - and that is the reason the trap version described is more appealing. Nevertheless the fan dipole will be back in action for this event. I may even put up the trapped version on a temporary pole so I can switch across to it and compare signal levels on TX and RX versus the full size dipoles.
See you on during the contest !!
73 Doug
This event is now only just over a week away so it is about time to get preparations underway:
DATE/TIME: Start Time is 08:00 UTC and finish time is 14:00 UTC, 15th July 2017
Bands: 160 / 80 /40 metres
Rules: http://www.wia.org.au/members/contests/transtasman/
The 160 - 80 - 40 metre trapped v dipole mentioned in my previous post has been duplicated by Brendan VK4BLP with somewhat similar results and I am hopeful that he will get it up in the air in time to participate. I am in the process of re-tuning my East-West fan dipole (160 /80 / 40/ 30) after changing (increasing) wire-wire spacing and that has altered the resonance dip frequencies (bar on 160, they all went up the bands) - and that is the reason the trap version described is more appealing. Nevertheless the fan dipole will be back in action for this event. I may even put up the trapped version on a temporary pole so I can switch across to it and compare signal levels on TX and RX versus the full size dipoles.
See you on during the contest !!
73 Doug
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
This Forum is only going to be as interesting as the posts it contains.
If you have a comment or question, post it as it may trigger or answer the query in someone else's mind.
http://www.vk4adc.com
This Forum is only going to be as interesting as the posts it contains.
If you have a comment or question, post it as it may trigger or answer the query in someone else's mind.