[time-nuts] HP 5372A

Jerry Hancock jerry at hanler.com
Fri May 11 14:05:54 EDT 2018


By the way, if you would like some data captured during the last run, let me know.  I have an excel sheet of the peak data from spectrum lab centered on 1850hz as I use the 3586B receiver.

Regards,

Jerry


Jerry Hancock
jerry at hanler.com
(415) 215-3779

> On May 11, 2018, at 10:52 AM, Jerry Hancock <jerry at hanler.com> wrote:
> 
> If you were in Connie’s back yard or had a very stable ground wave, then yes, you could automate the testing.
> 
> There are a number of challenges with this method as looking at the data with a simple graph will tell.  You might have large fluctuations on the high frequency side only, for instance, that any averaging or algorithm would assume to be valid data.
> 
> The next issue is the length of the dataset as the key-down time is only a few minutes so you end-up with not that many samples.  
> 
> Regards,
> 
> Jerry
> 
>> On May 10, 2018, at 5:59 AM, Don Murray via time-nuts <time-nuts at febo.com> wrote:
>> 
>> Hi Magnus...
>> 
>> 
>> Appreciate any help!
>> 
>> I participate in the ARRL Frequency Measuring Test,
>> and I would like to automate the measuring process.
>> 
>> I have two frequencies, A and B...
>> 
>> A is a GPS locked HP 3336B set to 455,000.000 Hz
>> 
>> I use the 3336B instead of the 455,000Hz BFO
>> signal from my GPS locked Racal receiver so
>> that I can measure AM stations without the
>> annoying beat note.  ;-)
>> 
>> B is an IF signal which should appear between
>> 455,000.000Hz and 455,001.000 Hz
>> 
>> I would like the 5372A to calculate the B minus A
>> delta, over a manually started and automatically
>> stopped measurement period of 110 seconds.
>> 
>> I would like a delta resolution of 0.001Hz to be
>> developed by the box.
>> 
>> Now, there will be doppler.  I want the box
>> to analyze and give me a best statistical guess
>> for the B minus A delta.
>> 
>> BTW the B minus A delta will be added to the
>> frequency of my Racal receiver to give me the
>> best "guess" as to the correct frequency of the
>> target signal.
>> 
>> The Racal reads out to the Hz, and I am able to
>> accurately determine if the Racal is tuned above
>> or below the "target" frequency.
>> 
>> I will be tuned below the "target" and within
>> 1 Hz of the "target."
>> 
>> I assume I will be in the one frequency mode.
>> 
>> Can the box give me the desired resolution?
>> 
>> What sampling period would be the best to use?
>> 
>> What statistical result would I use as my delta?
>> 
>> Appreciate your help.  My head is spinning whenever I
>> get into the operating manual!
>> 
>> TNX...
>> 
>> 
>> 73
>> Don
>> W4WJ
>> 
>> In a message dated 5/10/2018 2:19:49 AM Central Standard Time, magnus at rubidium.dyndns.org writes:
>> 
>> 
>> Hi,
>> 
>> What issues do you have?
>> 
>> Cheers,
>> Magnus
>> 
>> On 05/08/2018 02:32 AM, Don Murray via time-nuts wrote:
>>> Hello Time Nuts...
>>> 
>>> 
>>> 
>>> Who is the resident expert on the HP5372A?
>>> 
>>> I have some operational questions.  ;-)
>>> 
>>> email off list please.  w4wj at aol.com
>>> 
>>> TNX all...
>>> 
>>> 73
>>> Don
>>> W4WJ
>>> 
>>> 
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