[Lowfer] No luck with - JH

John Hamer wilbur0611 at gmail.com
Sat Dec 1 12:03:43 EST 2012


The only thing I have not done is match the low pass filter. My wave is not
perfectly symmetrical on the scope. I have to get that taken care of.
On Dec 1, 2012 11:52 AM, "Andy - KU4XR" <ku4xr at yahoo.com> wrote:

> Gave it a valiant run though.. Seeing the same carrier line
> that is showing on Dex's grabber, but no signal from " JH "
> Don't totally give up on the vertical John.. They will work,
> #1 is Radials for the RF to reference to..
> #2 definitely construct a " variometer " if you haven't yet..
> #3 I found the Low Pass Filter really helped to provide a
> match that the TX liked to work into..
> #4 A Variable Power Supply for the Final PA.. There is a
> " sweet spot " that your transistors will like, and " JUMP "
> right up and shout out.. I found that my PA likes to run around
> 24 volts..
> Tweaking the combination of these will give you pleasing results..
>
> Good luck.. Andy - KU4XR
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>


More information about the Lowfer mailing list