[hpsdr] GPSDO

[K4KV]

Dick,

I am not much of an Ebay guy, this ID number was on my email: 122324925894

The outfit is in Maryland I think...

73

Glen K4KV

On 3/8/2017 22:32, Dick Faust wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Glenn
>
> Do you have an actual Ebay link?
>
> Thanks
>
> Dick  K9IVB
>
>
> On 3/8/2017 5:30 PM, MICHAEL ST ANGELO wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Does the Navman modules have a 10kHZ output? Most of the new ones I 
>> see on ebay have only a 1PPS output?
>>
>> What is the model number?
>>
>> Mike N2MS
>>
>>
>>> On March 8, 2017 at 6:56 PM K4KV <k4kv at k4kv.com> wrote:
>>>
>>>
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>> Hello,
>>>
>>> I wanted to report back that those $12 Navman GPS modules off of Ebay
>>> work fine.  Using
>>>
>>> VisualGPSView, they obtained fixes after several minutes.
>>>
>>> My board would not lock onto the signal on either of these boards, 
>>> but I
>>> do not believe it
>>>
>>> has anything to do with the GPS modules.  I can see rapid changes in 
>>> the
>>> 10Mhz signal to the Hermes
>>>
>>> as if the loop filter values are not correct.  I had long since taken
>>> the wires off the board so that I
>>>
>>> could monitor the loop filter with the scope.  These modules model # 
>>> end
>>> with 041 while my original ends with 021.
>>>
>>>
>>> I spent some time monitoring the 10Mhz accuracy on WWV using the
>>> Spectrum view program.  Even though
>>>
>>> the VisualGPSView said I had a GPS Fix, the clock was still not
>>> accurate.  It took some minutes more, after the
>>>
>>> first 'fix', then all of a sudden I saw the altitude, lat and long, 
>>> move
>>> a bit to a number I know is right.  Then
>>>
>>> WWV was correct, with the tones within 1 Hz.
>>>
>>> 73
>>>
>>> Glen K4KV
>>>
>>>
>>>
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