[Lowfer] WE2XGR/2 WOLF mid day groundwave test - DIAL SETTINGS
Douglas D. Williams
kb4oer at gmail.com
Sun Feb 5 14:55:00 EST 2012
So.....is anyone transmitting Wolf at this time?
Would like to get a decode.
D.
On Sun, Feb 5, 2012 at 7:48 PM, Douglas D. Williams <kb4oer at gmail.com>wrote:
> Well, I did that and got to within .1 Hz.
>
> Hope you don't get banned for showing me the secret handshake......
>
> D. KB4OER
>
> On Sun, Feb 5, 2012 at 6:34 PM, Andy - KU4XR <ku4xr at yahoo.com> wrote:
>
>> Doug:
>>
>> A simple calibration trick that works reasonably well for me: I tune WWVB
>> at 60 KHz in CW mode...
>> With WOLF running, and using whichever " Tuning Scope " you prefer; in
>> your case look for the
>> " Peak Frequency " of the WWVB carrier... it may show 700.308 , or
>> 699.732 , Go into the
>> WOLF Config menu, and in the receive section; hit the " CAL " button...
>> It will ask you it 700 Hz is
>> the correct center frequency, Click " OK " , another window opens telling
>> you what WOLF measured,
>> Click : OK : again, and a third window opens giving you the sample rate,
>> asking you if this sounds reasonable.
>> Click " OK " again... You will now return to the main window, and "
>> Re-Start " WOLF... check to see that
>> the WWVB Carrier is within a few " milli-Hertz " of 700.... You can
>> repeat the process to see if you can
>> get it almost dead on... This may not work to perfection, but it works
>> well enough that I do get decodes..
>>
>> Andy - KU4XR - EM75xr - Friendsville, TN. USA
>> Coordinates: N: 35º 43' 54" - W: 84º 3' 16"
>>
>>
>> ________________________________
>>
>> Thanks Andy. Seems simple enough. I use a 700Hz offset for CW, so I
>> changed it to that in the Wolf GUI.
>>
>> Configuring the frequency error of the soundcard seems problematic now
>> that Loran is defunct.
>>
>> D. KB4OER
>>
>>
>> On Sun, Feb 5, 2012 at 6:14 PM, Andy - KU4XR <ku4xr at yahoo.com> wrote:
>>
>> Doug:
>> >
>> >The transmitted BW is 10 Hz... WOLF has a " Pre-Filter that is 20 Hz
>> wide if you want to use it...
>> >The signal is transmitted in USB... I find the CW mode the easiest to
>> use, since my Kenwood uses
>> >USB for CW receive... just " set it, and forget it " that is once the
>> sampling rate of the sound card
>> >is set...When an operator transmits WOLF; they will usually give you the
>> " center frequency of the signal "
>> >In CW mode I have an offset of 550 Hz, so I set my dial to 506.50 KHz,
>> and in the WOLF Config menu;
>> >I set the receive center frequency to 550 Hz, and I'm up and running...
>> >
>> >Hope this is useful... Any questions, feel free to call, or email me...
>> >
>> >73 for now :
>> >
>> >Andy - KU4XR - EM75xr - Friendsville, TN. USA
>> >Coordinates: N: 35º 43' 54" - W: 84º 3' 16"
>> >
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>
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