Re: Trackbox

6 May 2008

      At 10:26 PM 5/5/2008, you wrote:
...
Me again, 3.50b is the most current eprom.
The latest is 3.50d and available from TAPR. The rom image is readily available
for those who can burn EPROMS.
I still have all the parts for TrakBox (T_B) for anyone needing them.
Jack Davis - WA4EJR ex TAPR TrakBox Manager
After all these years I often wonder how many are still in use.
I believe around 1000 were sold.
CU at the AMSAT booth in Dayton.
...
You must connect it to an external 12 VDC even when in standalone mode.
Finally, the binary switch ( one of my TrakBoxes has a rotary and the other
has 2 push buttons for moving up and down the 9 satellites plus "0" for
normal mode ) on mine does not automatically switch satellites when you
switch between "0" and any satellite.  It also does not switch back to "0"
terminal mode from any satellite.  The first change in switch position
requires a reset.  So once I have gone to "1" from "0" and do a reset, I can
then go to any other satellite with just the switch.
If I then go back to "0" I need to again "reset".  An ON/OFF is as good as a
"Reset".  On the original kit the reset was a momentary ON switch at the
back.
I just checked the schematic and parts list from 1993 and the switch is
referred to as a 16 position BCD switch.
Hope this helps.
-----Original Message-----
From: amsat-bb-bounces@AMSAT.Org [mailto:amsat-bb-bounces@AMSAT.Org] On
Behalf Of renauld halbardier
Sent: May 5, 2008 5:05 PM
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] Trackbox
hello all
my 'old' trackbox  (dusty!) ,after 5 years of sleep, doesnt work in stand
alone mode anymore ; terminal mode works perfectly. Ram has been cleared ,
clock adjusted, new keplers loaded ; version is 3.50b.
Any ideas ?
73
renauld  on4kvi
_______________________________________________
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

Jack E. Davis

tags (0)

participants (1)