[Lowfer] N8OOU 2200m Testing
N8OOU
n8oou at meekfarm.us
Mon Aug 6 12:26:16 EDT 2018
Mike tts;
Good idea on the WSPR15. I will give it a try before I give up.
Shielding on the exciter would help a lot, For this effort I am using my
test U3S which is in a plastic case. Putting a little distance between
it and the RF was the quickest solution.
Thanks
73 de N8OOU - Mike Meek
On 08/06/2018 10:12 AM, wa3tts at verizon.net wrote:
> Mike: You may want to consider WSPR15 if your PA can handle the duty cycle at the power level of your interest. When K3SIW was in WSPR15 mode on 185.185 last fall-winter-spring I was able to decode Garry's wspr15 signal on the daylight path at lowfer pwr levels.
>
> When SIW had RF problems with TX he ended up using a steel or plate box as a shield as I vaguely recall about a year or so back
>
> 73 Mike wa3tts
>
>
> -----Original Message-----
> From: N8OOU <n8oou at meekfarm.us>
> To: lowferlist <lowfer at mailman.qth.net>
> Sent: Mon, Aug 6, 2018 9:06 am
> Subject: [Lowfer] N8OOU 2200m Testing
>
> ALL;
>
> Thanks to all, for your time and effort in attempting to capture my WSPR
> signal. The best I can conclude from this test is that I don't have
> enough signal being radiated yet for anyone to hear at this time of
> year. I know for sure I have a signal on my property, and it can be
> decoded. How far that signal travels is the unknown Hi Hi.
>
> Over the weekend, I have come up with an idea of how to move the PA to
> the base of the antenna. I hopefully will get that done today (Mon) with
> only a short outage. In my past tests on 2200m, when I get the exciter
> too close to the antenna, the RF confuses the uP. I hope that change
> increases the EIRP by removing any feedline loss. Later this week I will
> give up on 2200m, test 600m again, then get the lowfer back on the air.
>
> Again thanks to everyone who devoted the receiver time.
>
> Mike 73
>
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