Thanks for the response. As I have dug a bit deeper. 65 channels makes no sense. Sales gimic. I do see one stated at 2 ns, a trimble. So indeed there are tighter specs. Thanks for the hint
On Wed, Nov 17, 2010 at 8:16 PM, <saidj...@aol.com> wrote: > Hi Paul, > > "good enough" is in the eye of the beholder.. > > The M12M receiver can achieve 2ns rms. So 300ns seems very bad. > > Some early units had up to 1000ns error, so 300ns is quite good in that > context. > > Anything below 30ns from the GPS (with sawtooth correction) should be > excellent by today's standards.. > > bye, > Said > > > In a message dated 11/17/2010 15:02:15 Pacific Standard Time, > paulsw...@gmail.com writes: > > When I look at sparkfun as an example there must be 30 plus receivers with > a > crazy 65 channels. > New receivers seem plentiful. About the only data I see is the 1 sec pps > is > 300ns as an example and cep is 2.5cm. > Is that good enough for a gps locked oscillator? > Does it matter since the system is locked over many seconds? > Thanks in advance appreciate your help and comments. > Regards > Paul > WB8TSL > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
