[time-nuts] Followup (still want a GPS-type NTP refclock)

Edgardo Molina xe1xus at amsat.org
Sun Oct 21 16:19:50 UTC 2012


Dear Magnus,

I hope you don't mind me jumping into the thread. Your last comment sparked my enthusiasm and will to help. If you need me as a rookie to contribute or coordinate with newcomers to Time Nuts, I will be more than glad to do it. Also if you need help with the Wiki I could offer time to do it. I have some resources that could be used for these matters. Thanks.


Regards,



Edgardo Molina
Dirección IPTEL

www.iptel.net.mx

T : 55 55 55202444
M : 04455 20501854

Piensa en Bits SA de CV



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On Oct 21, 2012, at 11:02 AM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> Sarah, Jim,
> 
> On 10/18/2012 02:26 AM, Jim Lux wrote:
>> On 10/17/12 4:48 PM, Sarah White wrote:
>>> ... Basically, this way I won't have to consider any waterproofing for
>>> the antenna, and just hope that if lightning strikes it goes for the
>>> exhaust vent dome thingy instead... Ah well whatever. My plan remains
>>> unchanged in this regard --- it is going to be in one of the
>>> south-facing (roof is angled) skylight windows.
>>> 
>>> 
>>> And that's with a $6 navigation GPS thingy (USB puck-type NMEA-only)
>>> 
>>> That's navigation... Timing mode only needs "1 satellite lock" after
>>> all, and I suspect I will at minimum be able to get needed "1
>>> satellite lock" with nearly any active GPS antenna.
>>> 
>> 
>> 
>> Ah, but this is Time-Nuts.. are you sure you don't need 1E-13
>> performance? You may not think you do today, but inevitably, the
>> horrible uncertainty in your time stamps will gnaw at your innermost
>> soul, and pretty soon, you'll be building choke rings, wrapping your $6
>> receiver in an oven, cobbling together some weird combination of surplus
>> parts.
> 
> Hear! Hear!
> 
> As time-nuts, we try to get the best possible performance for least possible cost. Then again, we oldies should recall that new-comers still need to get started. We should give them advice that gives them a good start while not spending too much money on a solution which isn't sufficiently expandable into the future.
> 
> We should have a wiki for FAQ and references.
> 
> Cheers,
> Magnus
> 
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