[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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