Re: [time-nuts] Basic GPSDO finessing re frequency accuracy

2015-07-01 Thread Bob Camp
Hi If it’s a GPSDO with a long time constant, the ADEV in the 1-10 second range should be pretty much “all OCXO” and very little influenced by the GPS. Already that makes a bunch of assumptions that may or may not be true: 1) The GPSDO *has* an OCXO and it’s properly designed 2) The unit has

[time-nuts] Basic GPSDO finessing re frequency accuracy

2015-07-01 Thread Alan Ambrose
Hi, Does anyone have any data / a feel for how ... antenna delay accuracy and/or elevation mask and/or hold position accuracy ... translate to frequency accuracy for short term measurement i.e. in the 1-10s tau range? That is, which should I focus on, which not? Kind Regards, Alan