[amsat-bb] Software Problems

Roger ai7rogerroger at gmail.com
Sun Oct 23 16:13:12 UTC 2016

I use InstantTrack for antenna control and Satpc32 for rig control. I
download the NASA.all tle into Satpc32 and then load the same file into
InstantTrack and haven't experienced any issues.

You might find it necessary to restart Satpc32 after you download the tle
file or make any other changes to the program.

73, Roger

On Sun, Oct 23, 2016 at 8:38 AM, w4upd <w4upd at cfl.rr.com> wrote:

> I run most of those programs without any problems. I even run old
> Instantrak under DosBox, and WISP32. This all runs on a 64-bit Laptop
> Windows 10 system. SatPC32 needs to have the correct coordinates put in.
> You have to make sure that the longitude and latitude are the correct
> polarity as well. On WISP32 I merely have to make sure they are west/east
> or north/south.
> I would definitely check your system time and date as well as QTH
> settings. Insure the time displayed is correct based on your settings in
> regards to local or UTC. I find that all of my programs come within seconds
> are less of each other for tracking.
> Reid. W4UPD
> On 10/23/2016 10:55 AM, Joe wrote:
>> I am really excited about getting back on the Birds after a 40+ year
>> absence.
>> I've done EME, MS, AU, and all sorts of weak signal stuff on 144Mhz.
>> I've played the DX and contesting on HF.
>> All has been fun, but none except for the EME has given the most
>> happiness than the memories of playing with the birds in the late 70's
>> Now let me know, I can take this off list if members here want me to, But
>> This excitement is quickly turning into disgust. To the point I'm just
>> about to say screw it and forget about Sat work again.
>> I am in the need of help with prediction programs.
>> Man in the late 70's it was the ARRL bulletin with keps etc. and a Oscar
>> Locator.
>> Now we got ultra cool software programs that all are incredible! Except
>> for me, I can not trust ANY of them.  I have been testing several to see
>> what I will make my primary program. BUT...... and there always is a "BUT"
>> isn't there? I can not say what one to "Trust"
>> The four I have installed are...
>> SatLookDown1_28
>> HRDSatTrack
>> Orbitron
>> SatPC32
>> Now of course they all use the same computer clock. And it is accurate to
>> less than a tenth of a second.
>> Each one periodically ask to Up-Date the TLE's and I say "YES" and let
>> them do it all on their own. I change NOTHING on where they get their data.
>> The run them.
>> The,
>> SatLookDown1_28 & HRDSatTrack, both agree very closely. Almost to the
>> second.
>> But the Orbitron, is off, WAY off. like 15 minutes off.
>> And the SatPC32 is even worse the sat is like 1/2 an orbit off!
>> Now the ones that agree also match the page
>> http://www.amsat.org.ar/pass.htm#
>> So my guess they are the ones showing correct data.
>> Now what to do about the other two. How can I make them show correct
>> passes?
>> Remember I can take this off list if no one wants to read about this...
>> Just let me know,
>> Joe WB9SBD
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