[amsat-bb] Working AO-85 With An FT-817

B J va6bmj at gmail.com
Mon Jan 11 04:41:44 UTC 2016

On 1/11/16, Fernando Ramirez <framirezferrer at gmail.com> wrote:
> Just to echo Bill's advice and relate my own experience.
> I don't have any experience with the 817 as I use a 5 watts Chinese HT.
> I programmed 5 channels on my radio with 435.160 as AOS through 435.180 LOS
> and 435.170 for mid pass.

That's how I set up my '817.

> Since I operate half duplex (I don't encourage this due to all the obvious
> reasons),

It would be fun unless there were challenges, hi.

I divide the arc on my tracking app in 5 segments to find the
> correct uplink frequency.

That's what I did for other FM birds like AO-27 and AO-51.

> The antenna I use is an Arrow II. You will tune for clear signal then twist
> 90° to transmit. Twist again to receive. I understand Elk users don't have
> a problem with this since both bands use the same polarity.

That might explain a few things.  I don't recall having to do that for
the earlier FM satellites that I was on.

> Following this pass pattern, I've gotten into the satellite down to 6
> degrees elevations. Also, I am only able to work the satellite on ascending
> passes (south to north) after it crosses the satellite apex.

I'll keep that in mind, particularly since the quadrant to my NW is
clear of obstructions.

> It's is hard but doable!


Thanks for the tips.


Bernhard VA6BMJ @ DO33FL

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