[time-nuts] Time Interval measure mesurements

John Ackermann N8UR jra at febo.com
Mon Jun 26 17:00:29 EDT 2006

Bruce Lanning wrote:
> I am trying to compare my Freq, Std, HP-Z3801A GPS Receiver, to my home brew 
> Freq Std. using my Freq. counter, a HP-5245L with a Time Interval Unit 
> (HP-5262A) Plug in. Can someone help me. My counter Time Base opens about 
> 6-8 times and then gives me a reading like 1,345,000.1 My problem is the 6 
> to 8 times that the Time Base opens and then the reading like the one I get. 
> The manual on the counter and the Time Interval Unit give me no information. 
> Can one of you Time-Nuts out there tell me what is going on or is my Time 
> Interval Unit defective?
> Bruce W1GBS 

Bruce, can you give a little more detail about the measurement setup? 
In particular, are you measuring 1pps or 10MHz, and what mode is the 
counter set to?  Which signal is hooked up to what input?  Is there any 
indication on the display of what the units are?


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