[amsat-bb] Re: Trackbox

[Jack E. Davis]

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 at AMSAT.Org [mailto:amsat-bb-bounces at AMSAT.Org] On
 >Behalf Of renauld halbardier
 >Sent: May 5, 2008 5:05 PM
 >To: amsat-bb at 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
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