[time-nuts] starloc II and hag-240 photos

[paul swed]

Nice pictures.
I have noticed many GPS recvrs use the same scheme or at least the same
chips.
The ad660 is a fm recvr chip. Essentially you take the downconverted c/a
code out and process it digitally.  Older Garmins and anritsu gps recvrs use
this trick that I have seen. Newer versions most likely integrated all this
into a single chip.
Regards

On Wed, Jan 5, 2011 at 6:02 AM, <GandalfG8 at aol.com> wrote:

>
> In a message dated 05/01/2011 10:05:15 GMT Standard Time,
> lists at lazygranch.com writes:
>
> Are the  other photos on line?
>
>
>
> -------------
> I don't know, it's possible but I don't have any links so you'd need to
> search for them.
> Ebay auctions are often a good source of equipment photos.
> Similar Motorola modules I'm aware of in that range were the GT, GT+,  UT,
> and UT+.
>
> The GT and GT+ were optimised for navigation and the UT and UT+ for timing
> applications.
>
> The UT+ looks to be a direct match for your unit, the GT+ I have here is
> similar but not quite the same, so I was just covering my back in case
> there
> were any other variants that do match.
>
> Later datasheets for the Starloc II mention the M12 GPS module, also a
> timing receiver, but that's quite a different model.
>
> I've just checked a Starloc II manual and the block diagram there  shows
> the GPS module as UT+ so I'm quite sure that's what you've got.
>
> regards
>
> Nigel
> GM8PZR
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