[time-nuts] LTE-Lite
Jim Sanford
wb4gcs at wb4gcs.org
Sun Nov 30 17:18:13 EST 2014
Ignacio:
Gracias.
I only mentioned the GoogleEarth as an indicator . . .
Setenta y Tres,
Jim
wb4gcs at amsat.org
On 11/30/2014 4:11 PM, EB4APL wrote:
> Hi,
>
> Just a word of caution here:
> Do not trust Google Earth data for any precision work. The mentioned
> six feet are probably due to the geographical data, not to the
> precission of your GPS unit. If you look for image seams you can
> verify the kind of errors involved.
> Google Earth is not a professional data source, if you want to use it
> por precise work they offer the option to load your own maps and
> images for your use , but this is not a free service. The free
> service and data is good for showing your favorite pub to your friends.
>
> Regards.
> Ignacio EB4APL
>
> On 30/11/2014 a las 19:23, Jim Sanford wrote:
>> SO, I just connected my third LTE-Lite unit.
>> By the time the software drivers were installed, and I selected
>> U-center to the new COMM port, it had a fix. Even with the survey
>> LED still blinking.
>>
>> I looked at the GoogleEarth view, and the fix is within six feet of
>> where the antenna really is. IMPRESSIVE.
>>
>> BTW, the 10 MHz unit I ran for a couple of days showed a fix on
>> GoogleEarth within less than a foot of the antenna location.
>> Most impressive.
>>
>> Jim
>>
>> On 11/28/2014 4:23 PM, Jim Sanford wrote:
>>> All:
>>>
>>> After running my 20 MHz LTE-Lite for a week or so, I shut it down
>>> and connected one of the 10 MHz units.
>>>
>>> The LEDs appear to be responding (survey still in progress) as per
>>> the quick start guide.
>>>
>>> Windows installed a new comm port and driver. (COMM6, with FTDI
>>> driver) The COMM5 port which was the 20 MHz unit is gone.
>>>
>>> U-center has selected COMM6 and is autobaud at 38000, but is showing
>>> my nothing except blank screens and a red NO FIX. Have I missed
>>> something? Or will it not report anything until a lock is achieved??
>>>
>>> Thanks,
>>> Jim
>>> wb4gcs at amsat.org
>>>
>>>
>
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