[time-nuts] Need Time Help

Wes wes at triconet.org
Wed Oct 5 12:47:17 EDT 2016

If you are working "real" EME where you, and not a computer plus lookup table, 
are coping the signals, none of these precise timing issues exist.

Wes  N7WS

On 10/5/2016 6:18 AM, Peter Torry via time-nuts wrote:
> I must admit to being rather puzzled at the sub microsecond timing requirement 
> as I use ntp to set the W7 clock in my computer and have not had any issues. 
> In fact less than one second is OK for the usual two minute periods that are 
> required to allow for the Faraday rotation. Although I use a GPSDO for a 
> frequency reference I find JT software reasonably tolerant of frequency.  As I 
> may be missing something I would welcome observations on how important the 
> period timing requirement is, you never know I might get more contacts.
> Regards
> Peter
> On 05/10/2016 12:50, Graham / KE9H wrote:
>> For the group. This ham is trying to work EME. Earth-Moon-Earth propagation
>> path. Aka, "moonbounce."
>> He is trying to time synchronize a system, where the other station he is
>> communicating
>> with can be any other place on the Earth that can also see the Moon.
>> So the system time sync is for a little bit tougher case than a local area
>> network.
>> --- Graham 

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