[amsat-bb] Re: Tracker for use with Arrow (Lee Maisel)
kl0s at cox.net
Thu Feb 27 17:09:24 PST 2014
Here’s Mark’s presentation describing the system:
On Feb272014, at 1450 PM, Tom Warren <mtnest at hartcom.net> wrote:
> I’m just starting to build one of the WRSPS systems, currently waiting for 2 small items to arrive.
> Be aware that the micro-controller board requires SMD soldering. If you plan to build it using
> the BOM parts from the specified suppliers it will coast a little over $200 not including antennas,
> preamp/s, etc.
> I’m doing it for the education and anticipate, at some point after completion, modifying some of the
> mechanism for remote operation and weatherproofed operation. The DVD that comes with the board
> contains all the construction info and add’l pictures over and above the ones you will see on the
> ‘in-depth’ website.
> As of now, I’ve not been able to find a video of this system in actual operation.
> If you are willing to do a little construction, WA8SME has a very nice design which appeared in QST,
> called WRAPS. Completely shameless plug! You can order the key circuit board, bare, and programmed
> PIC chip on the AMSAT Store:
> It is $30 plus modest shipping. You can find a link to a download of the article. I haven't built one
> myself, but construction is straight forward and doesn't require any exotic tools or skills.
> Over the years there have been a few other similar controllers, but none that I am aware of which are
> currently available assembled. Another approach some have used is to use Yaesu rotators with an
> inverter to power them. That would not be a cost effective way new, but you sometimes find them very
> cheaply at hamfests.
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