i have a 53132A and the the time base from the polish seller as well as
a time base from gerry sweeny (UK) who uses a trimble 34310-T instead of
the morion ocxo. both are plug and play and can be easily calibrated.
i have no data, but if i remember correctly, the presence of a high
stability time base degrades the measured short term stability of any
DUT, if i use an external reference such as a gpsdo.
if you are interested i could do the following: measure TI between a
trimble thunderbolt and a trimble 73090 docxo that has been running for
several weeks
1. without external reference: no high stability time base, morion time
base, trimble time base
2. the same, but with an external reference (TB).
that will take some time. but i am intersted in this myself, so i could
give it a try.
hans
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