Message-ID: <594933CC.70603@posteo.de>
Date: Tue, 20 Jun 2017 16:40:12 +0200
From: DK7FC <selberdenken@posteo.de>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3
MIME-Version: 1.0
To: rsgb_lf_group@blacksheep.org
References: <15ca21dc75e-1e15-bcda@webprd-m105.mail.aol.com> <0f9558b4-457d-a395-58c9-7f9be3393cdd@sky.com> <4767d79f-2bf6-d838-bfd4-3e78102d6f5d@abelian.org> <510c15eb-b57a-0ebb-9037-1f83e0652cf2@sky.com>
In-Reply-To: <510c15eb-b57a-0ebb-9037-1f83e0652cf2@sky.com>
Subject: Re: LF: Octo-soundcard for the Raspi
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Status: RO

Hi Terry,

When you managed to build up your system, what do you intend to do with 
it then? Natural radio or even radio amateur detections?

73, Stefan

Am 17.06.2017 09:00, schrieb Terry G0EZY:
> The only thing I have to sort out now is the timing pulse. it looks 
> horrible on vtscope, a sort of double humped thing and the timing 
> doesn't have anything like the values shown on your vtscope screen shots.
>
> Are you using a square pulse from the GPS to feed the RC conditioner?
>
> I'm using a Garmin GPS 18x LVC set up as shown in the Spectrum Lab 
> instructions (GPS receiver specific notes) with a 100ms PPS length. 
> The original 3xR network that combines PPS & NMEA data for SL timing 
> is in parallel with the new RC network for the Octo. They seem to be 
> operating independently.
>
> So Paul, now you have an audio interface with six synchronised inputs:
>
> 1 - GPS timing
> 2 - N-S loop
> 3 - E-W loop
> 4 - Sense antenna
>
> What are you planning for the other two inputs? I would like to 
> display changes in polarisation and vertical angle-of-arrival ...but 
> more appropriate to hf signals....
>
> Terry
>
>