Hi Joe, Paul and Chris,
I’m wondering if a technical description of Joe’s LF EbNaut setup might be
useful to you as, I believe, you are both using non-linear amplifiers.
My system is built around using the linear Hafler amplifiers and also with an
eye toward doing VLF transmissions at some point. As such, my system uses
GPS-based time and frequency references throughout and may have a level of
complexity that is not required at LF.
Thoughts? I’ll still prepare a summary of my system for sharing as that may be
useful as well.
73,
Rob - K3RWR
> On Dec 9, 2018, at 12:52, [email protected] wrote:
>
> Hi Paul,
>
> More snow last night, but I waited for the plough this time!
> I don't use a linear amp for EbNaut, and a DOCXO is good enough
> for LF (but not VLF). It isn't hard to do... its easier than the
> WSPR modes which are confounding to those of us who can't seem to
> find the microphone jacks on their home brewed transmitters!
>
> 73
> Joe VO1NA
>
>> On Sun, 9 Dec 2018, N1BUG wrote:
>>
>> I was interested in trying EbNaut as well, but realistically it
>> never seemed practical. I would have to start over will all new
>> equipment for receiving, a linear amplifier for transmitting and a
>> GPSDO or two.
>>
>> I am progressing in the wrong direction. My HP 3325B has recently
>> come up dead and basic checks show it to have issues beyond my
>> ability to repair. I miss that generator every day!
>>
>> Rob, I'm sure there are more relevant / obvious places to put the
>> files, but if you don't get a better offer let me know. I have web
>> space and would be happy to host the information.
>>
>> 73,
>> Paul
>>
>>
>>> On 12/9/18 11:57 AM, Rob Renoud wrote:
>>> Hi Chris,
>>>
>>> I’ll be glad to document my current EbNaut TX setup. I think a
>>> series of PDF documents might work best. Do you have any
>>> suggestions regarding where these documents might be posted as I
>>> do not have a web site?
>>>
>>> Give me a week or so to bring the pieces together.
>>>
>>> 73, Rob - K3RWR
>>>
>>>> On Dec 9, 2018, at 10:10, Chris Wilson <[email protected]>
>>>> wrote:
>>>>
>>>>
>>>>
>>>> Hello Rob,
>>>>
>>>> Myself and I think Paul, N1BUG, both have these HP generators,
>>>> would you be willing to give a brief write up about how you are
>>>> using yours for Ebnaut please and what peripherals you are
>>>> using under what OS? I am still building up courage to give it
>>>> a go on LF, but I have to admit I find it all a little daunting
>>>> still.... Thanks!
>>>>
>>>> Sunday, December 9, 2018, 11:47:22 AM, you wrote:
>>>>
>>>>> Hi Jay,
>>>>
>>>>
>>>>> This is welcome news that the newly added periodic CW ID has
>>>>> no effect on your end.
>>>>
>>>>
>>>>> The HP3325A that I employ as the EbNaut driver makes it easy
>>>>> with separate but parallel phase (EbNaut signaling) and
>>>>> amplitude (periodic CW ID) inputs.
>>>>
>>>>
>>>>> Thanks & 73, Rob - K3RWR
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> -- Best regards, Chris
>>>> mailto:[email protected]
>>
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