[amsat-bb] AO-85

[R. S.]

OK, that explains probably why AO-85 is so much more quieter than SO-50. On
one pass I only heard one other person calling out and on another pass two
people having a casual rag chew. On the other hand, trying to work SO-50, I
can barely get my call-sign in.

John KG4AKV. I stumbled upon your great Youtube videos last week. I
subscribed.

73,
Ryan
W6ZAR

On Fri, Aug 12, 2016 at 4:06 PM, Jerry Buxton <n0jy at amsat.org> wrote:

> John said it pretty well in his recollection of what I published in the
> Journal regarding the antenna story.  The 200 watts EIRP was my
> recommendation simply based on my use at or near the horizon and that
> was stated as "for full quieting".
>
> As he said, there are folks working it with 5W and an Arrow antenna
> myself included, and the orientation of the satellite to your station as
> well as number of stations on the air have a lot to do with it.
>
> I believe that 15W will do you nicely with the Arrow, but I'll let
> others who have that experience speak to that.
>
> Jerry Buxton, NØJY
>
> On 8/12/2016 17:33, John Brier wrote:
> > It is recommended to use 200 watts EIRP to get into the sat.
> >
> > Someone else more knowledgeable and experienced can correct and clarify
> > this but this is how I remember the 200 watt recommendation being
> explained:
> >
> > Before launch a connection or trace leading to the antenna broke (IIRC).
> > The person who had the experience to resolder it wasn't available and
> with
> > the little time they had left they chose to use an electrically
> conductive
> > epoxy to fix it. The epoxy didn't provide the right impedence and now the
> > antenna is essentially detuned. It makes the bird appear deaf. To
> overcome
> > this you have to use more power.
> >
> > With that said people can get into it using 5 watts and an Arrow. I
> haven't
> > been able to on the few tries I gave it.
> >
> > One trick that supposedly helps with cross polarized antennas like the
> > Arrow is to twist the antenna 90 degrees when you transmit since the
> bird's
> > antennas are linear.
> >
> > 73, John Brier KG4AKV
> >
> > On Aug 12, 2016 6:12 PM, "R. S." <rzar66 at gmail.com> wrote:
> >
> >> I will keep trying. I really need to get another Radio to work it full
> >> duplex so I guess I can get something with a little more power for
> >> transmit. Really strange since I just work SO-50 this morning at a 17
> >> degree pass but cannot work AO-85 at a 89 degree pass. BTW my I just
> got my
> >> vanity call this morning. I am now W6ZAR.
> >>
> >> Ryan
> >> W6ZAR
> >>
> >> On Aug 12, 2016 11:06 AM, <jerry.tuyls at telenet.be> wrote:
> >>
> >>> Hello Ryan
> >>>
> >>> That is strange, even without pl-tone i can access the sat. Also
> correct
> >> the dwnlink, it sounds better(for me).
> >>> Best 73's
> >>>
> >>> Jerry,ON4CJQ
> >>>
> >>> ----- Oorspronkelijk bericht -----
> >>> Van: "R. S." <rzar66 at gmail.com>
> >>> Aan: AMSAT-BB at amsat.org
> >>> Verzonden: Vrijdag 12 augustus 2016 19:36:13
> >>> Onderwerp: [amsat-bb] AO-85
> >>>
> >>> Hello all,
> >>>
> >>> I am having a difficult time getting into AO-85. The equipment I am
> using
> >>> is a Kenwood TH-F6A and an Arrow antenna. I have the PL tone set and am
> >>> 's
> >>>
> >>> adjusting for Doppler on the transmit side. The first 4 passes I have
> >> tried
> >>> have been 50 deg. or more over the horizon with one being 89 and still
> >>> can't get in. I can hear it very clear on the passes I have tried. Is
> >> there
> >>> anything I am missing? I have successfully made a contact on SO-50 but
> >>> AO-85 cannot hear me for whatever reason. I am a new ham  and very new
> to
> >>> satellites. Thanks for you help.
> >>>
> >>> 73,
> >>> Ryan
> >>> KM6DNG
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> _______________________________________________
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> to all interested persons worldwide without requiring membership. Opinions
> expressed
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>