[OZAPRS] HF antenna on car - sorted

Andrew Rich vk4tec at tech-software.net
Tue Dec 5 13:02:33 AEDT 2017


Too hot enough for today

Sent from my iPhone

> On 5 Dec 2017, at 11:59 am, Glen English VK1XX <glenlist at pacificmedia.com.au> wrote:
> 
> err you are not done yet.
> 
> set your 706MK2 to like 25W carrier, observe VSWR while transmitting
> 
> get a jumper lead and observe how much VSWR change there is when you connect the PL259 on the back of the 706 to a chassis point. door jam etc. this will give you a handle on how well yoru antenna strap is working, and how much is on the feedline (which could cause RF feedback and crazy modulation if too high)
> 
> 
>> On 5/12/2017 10:14 AM, Andrew Rich wrote:
>> Without strap - 5.06:1 at 10.147 MHz
>> 
>> With strap - 1.16 : 1 at 10.147 MHz
>> 
>> Now we are cooking with gas
>> 
>> Andrew
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> 
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