[amsat-bb] Re: G-5500 Orientation
ko6th_greg at hotmail.com
Sun Oct 10 22:07:14 PDT 2010
If you're starting a flipped pass where the satellite AOS is at 45 degrees, wouldn't the flipped pass start at 45+180=225?
> From: domenico.i8cvs at tin.it
> To: dean at n1ety.com; amsat-bb at amsat.org
> Date: Mon, 11 Oct 2010 05:42:04 +0200
> Subject: [amsat-bb] Re: G-5500 Orientation
> ----- Original Message -----
> From: "Dean Maluski" <dean at n1ety.com>
> To: <amsat-bb at amsat.org>
> Sent: Sunday, October 10, 2010 7:07 PM
> Subject: [amsat-bb] G-5500 Orientation
> > I am installing a G-5500 Elevation rotor and trying to determine
> > orientation of elevation with reference to software specifically
> > rtrcontrold for Linux but I'd suspect this would be typical to most PC
> > applications.
> > If a sat is 45 degrees above horizon should rotor control read 45 or 135
> > degrees on the hardware control dial?
> Hi Dean,
> If the sat is 45 degrees elevation and rising above the horizon the rotor
> control must read 45 degrees.
> If your software make flipping operation and the sat is lovering elevation
> as soon the elevation is again 45 degrees above the horizon then the control
> box must read 135 degrees.
> > What I'm asking is when I want to mount antenna where 90 degrees is
> > horizontal or vertical?
> At 90 degrees elevation the boom must be vertical with the antenna radiating
> at the zenith.
> > It seems natural that midway point is horizontal but midway point is 90
> > degrees. I don't think I ever have a reason to point antenna into the
> > mud so it makes most sense that midway 90 degrees is straight up??
> Right ! midway 90 degrees is straight up with the antenna radiating at the
> 73" de
> i8CVS Domenico
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