[amsat-bb] Re: Equipment.

John Hackett archie.hackett at hotmail.com
Fri Oct 19 23:48:20 PDT 2007

Hello Tony,
                "Takk for siste" (thanks for the last time, as the NOG's say).

Great !! re: Itune being able to tune 2 x rigs using 2 x parallel ports.

Being as *THICK* as 2 short planks I never even considered putting both parallel ports  into one PC. GM1SXX is ther "brains" of the team, I'm just the one with the "mouth" who takes the credit.

Actually, two old 386's help warm up the shack in the winter but it  *WILL* be nice to  cut out at least one of the noisy fans ... sounds a bit like a southbound from Charring Cross on the underground.

Thanks Tony.

73 John.   <la2qaa at amsat.org>

> Date: Fri, 19 Oct 2007 17:14:01 -0400
> To: la2qaa at amsat.org; amsat-bb at amsat.org
> From: aa2tx at comcast.net
> Subject: Re: [amsat-bb]  Equipment.
> CC: eu-amsat at yahoogroups.com; aa2tx at amsat.org
> At 02:18 PM 10/19/2007, John Hackett wrote:
> >...
> >You use a program called InstantTUNE together with InstantTRACK 
> >which allows automated doppler tuning using mic pushbutton rigs. 
> >Instantune only allows tuning EITHER the uplink or the downlink so 
> >if you want to be FULLY automated, you'll need a pair of old 386 
> >IBM's (or equivalent) and a pair of monitorsd from the nearest 
> >computer company/school skip.
> >
> >Everything else I can think of is home brewed and is to be found on 
> >the OBSERVATIONS page mentioned earlier.
> Hi John and AMSAT Friends,
> I am thrilled to hear you are using InstantTune for doppler control it is
> still my favorite program :) However,...
> I would just like to point out that InstantTune + InstantTrack provides
> full Doppler tuning for BOTH the up and down links even with 
> mic-button radios.
> Just connect radio 1 to parallel port 1 and radio 2 to parallel port 2.
> I apologize if the manual is confusing on this point  What it is supposed
> to say is that it will only tune one link PER RADIO for mic-button radios
> but it can actually tune up to 3 separate mic-button radios simultaneously
> (1 up and 2 down. Will anyone ever bring back mode K/T?)
> I have personally used an FT-290 (with mic-button tuning) along with a
> 432 to 28 MHz converter into an HF rig to make tons of satellite contacts on
> the old FO-12 and FO-20 birds.
> So, to be clear, you do not need more than 1 PC, and it can even be a really
> old 20MHz '386, for full doppler tuning, you just need 2 parallel ports to
> interface to the 2 mic-button radios.
> If anyone needs help getting this working, please email me.
> 73,
> Tony AA2TX

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