whats the easiest way to set a bearing with compass

G

Guest

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I set the compass to the center of the pole or pivot point plumb down with
a plumb bob to center of compass and then, line up center line of lnb to
line I struck on a board where the compass is.

thing is I did this carefully for one satellite and hit one complettely 60
degrees off. Should I just stand in front of dish and sight lets say its 97
degrees off of North, verses 267 west using the board.

Can have some input from you experienced folks.
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

Tell us what satellite you're looking for. If you're in the
northern hemisphere, 97 degrees off of north means you're
pointing just south of due east. I would guess you probably mean
T5 and that would be a true heading of 187 degrees (which is
7 degrees west of due south). Then you would need to correct
for magnetic variation. If you would give us your coordinates,
we could better help you.

sat" <spam@nospam.com> wrote in message news:<__2dnd6jgZnYJ-vd4p2dnA@look.ca>...
> I set the compass to the center of the pole or pivot point plumb down with
> a plumb bob to center of compass and then, line up center line of lnb to
> line I struck on a board where the compass is.
>
> thing is I did this carefully for one satellite and hit one complettely 60
> degrees off. Should I just stand in front of dish and sight lets say its 97
> degrees off of North, verses 267 west using the board.
>
> Can have some input from you experienced folks.
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

the compass might have been sighting on the metal pole. remember your
compass is a magnet and steel will affect its' bearing.


"sat" <spam@nospam.com> wrote in message
news:__2dnd6jgZnYJ-vd4p2dnA@look.ca...
> I set the compass to the center of the pole or pivot point plumb down
with
> a plumb bob to center of compass and then, line up center line of lnb to
> line I struck on a board where the compass is.
>
> thing is I did this carefully for one satellite and hit one complettely 60
> degrees off. Should I just stand in front of dish and sight lets say its
97
> degrees off of North, verses 267 west using the board.
>
> Can have some input from you experienced folks.
>
>
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

sat wrote:
> I set the compass to the center of the pole or pivot point plumb down with
> a plumb bob to center of compass and then, line up center line of lnb to
> line I struck on a board where the compass is.
>
> thing is I did this carefully for one satellite and hit one complettely 60
> degrees off. Should I just stand in front of dish and sight lets say its 97
> degrees off of North, verses 267 west using the board.
>
> Can have some input from you experienced folks.

What I usually do is to stand several feet away from the dish along the
expected azimuth direction. Then I look back at the dish and hold the
compass up between the dish and me. My compass has a line on the dial
that goes from the center to the edge. I rotate the compass until the
line's center end points straight at the dish's center of rotation (and
the outside end of the line is pointing at me). If I'm standing at the
right place, then the line on the dial will pass through the correct
reading on the compass.

If I'm not in the right place, I adjust where I'm standing until the line
goes through the right reading. I put something on the ground (or else I
just remember the location), then I go back to the dish and point the LNB
at the place where I was standing.

My compass actually has a sighting thingamabob that you look through to
make sure you're pointing it in the correct direction. Very handy.
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

So in actually I can use the reading off of lyngsat, plus add in the
magnetic deviation. Say I'm trying to hit T5 , so that 97 degrees plus
/minus my magnetic deviation. If I'm standing in front of the dish it should
read that on the compass.
What I did was take a board, draw a 2 foot circle split one of the 4
quadrant into 5 degree increments. , put my compass due north on the center
line of circle, so the board is due north and bobed to the center off the
dpivot point of dish<pole> and aligned lnb to the fine lines on one of the
one quadrants. Of course I set my elevationa and lnb skew. But I must be
off.

Should I just stand out front of the dish at a distance and sight it in? Or
is there a better way.
Trying to learn how everyone else does it.


"rose" <rose122550DONTSPAM@yahoo.com> wrote in message
news:c9aa14bb.0404091536.39e3bb1b@posting.google.com...
> Tell us what satellite you're looking for. If you're in the
> northern hemisphere, 97 degrees off of north means you're
> pointing just south of due east. I would guess you probably mean
> T5 and that would be a true heading of 187 degrees (which is
> 7 degrees west of due south). Then you would need to correct
> for magnetic variation. If you would give us your coordinates,
> we could better help you.
>
> sat" <spam@nospam.com> wrote in message
news:<__2dnd6jgZnYJ-vd4p2dnA@look.ca>...
> > I set the compass to the center of the pole or pivot point plumb down
with
> > a plumb bob to center of compass and then, line up center line of lnb to
> > line I struck on a board where the compass is.
> >
> > thing is I did this carefully for one satellite and hit one complettely
60
> > degrees off. Should I just stand in front of dish and sight lets say its
97
> > degrees off of North, verses 267 west using the board.
> >
> > Can have some input from you experienced folks.
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

sat wrote:

> So in actually I can use the reading off of lyngsat, plus add in the
> magnetic deviation. Say I'm trying to hit T5 , so that 97 degrees plus
> /minus my magnetic deviation. If I'm standing in front of the dish it should
> read that on the compass.

No, you never use the position of the satellite as your azimuth.

You can use a calculator like this one: http://www.satsig.net/ssazelm.htm
 

Ralf

Distinguished
Apr 8, 2004
2
0
18,510
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Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

where is your location.... I mean... CA or NY ?
Because the "magnetic north/south" is in some parts of the world "not true".
So your needle shows north and in real your needle looks north/east....
check this:
http://www.gpsworld.com/gpsworld/article/articleDetail.jsp?id=68475&&pageID=
2#

Regards
RAlf

"sat" <spam@nospam.com> schrieb im Newsbeitrag
news:__2dnd6jgZnYJ-vd4p2dnA@look.ca...
> I set the compass to the center of the pole or pivot point plumb down
with
> a plumb bob to center of compass and then, line up center line of lnb to
> line I struck on a board where the compass is.
>
> thing is I did this carefully for one satellite and hit one complettely 60
> degrees off. Should I just stand in front of dish and sight lets say its
97
> degrees off of North, verses 267 west using the board.
>
> Can have some input from you experienced folks.
>
>
 
G

Guest

Guest
Archived from groups: alt.video.satellite.mpeg-dvb (More info?)

It would be easier for us to help you if you would give us your
latitude and longitude; we can only guess how best to help you
otherwise.

I'm guessing here. Could it be that you are confusing the 97
degrees of T5 with a compass reading? The 97 degrees of T5 is
an earth's longitudinal position; that is NOT a compass reading.
Let's take an example: Say your latitude is 46 degrees north and
your longitude is 94 degrees west, then your true azimuth for
T5 would be about 184 degrees on a compass (that would be
pointing just west of due south). Then you would need to
correct for magnetic variation.

BTW, can someone tell me how to post messages more quickly than
google's 3 to 9 hours?

"sat" <spam@nospam.com> wrote in message news:<K-2dnVscuLZqUurdRVn-sw@look.ca>...
> So in actually I can use the reading off of lyngsat, plus add in the
> magnetic deviation. Say I'm trying to hit T5 , so that 97 degrees plus
> /minus my magnetic deviation. If I'm standing in front of the dish it should
> read that on the compass.
 
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