Something like the attached circuit?Could use individual Vcc voltage regulators
for each channel perhaps?
Bruce
On Saturday, 26 December 2015 4:00 PM, Bob Camp <kb...@n1k.org> wrote:
Hi
There have been at least a couple dozen listings over the last two years. Some
of them have
been for multiple units (like a dozen or so). You often have to dig a bit to
figure out what’s
what. A search for “novatel gps” turns up most of them. Right now there seem to
be about 5 or
so up on eBay. Some are the OEM card by it’s self. Others are the same card
packaged one
way or the other.
Bob
> On Dec 25, 2015, at 12:23 PM, Pete Lancashire <p...@petelancashire.com> wrote:
>
> I just looked at current and past sale, do you have an example ?
>
> I only see two Propacks 1's that someone has been trying to sell for
> quite a long time, and one V3
>
>
>
> On Fri, Dec 25, 2015 at 3:35 AM, Ole Petter Ronningen <opronnin...@gmail.com
>> wrote:
>
>> Hello
>>
>> I'm sure many of you have noticed quite a few surplus NOS Novatel OEM-V3
>> L1-only units appearing on eBay lately. Reading the firmware manual, it
>> seems the ProPak is capable of steering an external oscillator with the
>> addition of a filtered chargepump circuit. Has anyone made any experiments
>> using this functionality?
>>
>> Also, a couple of labs (APL and USNO) use ProPak-V3 receivers to
>> participate in TAI, by the use of PPP. BIPM has a little information about
>> the ProPak (calibration procedures), but other than that I have not found
>> much information about the configuration of the receiver in this particular
>> setting. Any clues would be appreciated.
>>
>> (In case anyone is interested - the receiver can be software upgraded to
>> also track L2 - the license is north of USD2K..)
>>
>> Thanks,
>> Ole
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