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Does anyone have one ? 10MHZ OUTPUT SINE WAVE GPS DISCiPLINED CLOCK GPSDO By BG7TBL.

Low_Boy

Low_Boy

Sr. Member
Jan 21, 2010
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Rochester N.Y.
There are a lot of sellers of this product on e bay and many reviews on you tube. Does anyone here use one or have any experience with this by GB7TBL? 10MHZ OUTPUT SINE WAVE GPS DISCiPLINED CLOCK GPSDO
 

Low_Boy said:
There are a lot of sellers of this product on e bay and many reviews on you tube. Does anyone here use one or have any experience with this by GB7TBL? 10MHZ OUTPUT SINE WAVE GPS DISCiPLINED CLOCK GPSDO
Click to expand...

Yes, I have one operating on my bench.
It took quite a while for it to obtain a GPS signal. Antenna needs to have a good, clear view of the sky. It needs to be on for a couple of days for the internal oven to stabilize the temperature.
I have it running into my Fluke 7220A frequency counter for reference.
I also use it in place of the WWV signal out of Boulder, Colorado. Because I do not always get a strong signal from Boulder.
Seems to work well for me.
 
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Ranch55 said:
Yes, I have one operating on my bench.
It took quite a while for it to obtain a GPS signal. Antenna needs to have a good, clear view of the sky. It needs to be on for a couple of days for the internal oven to stabilize the temperature.
I have it running into my Fluke 7220A frequency counter for reference.
I also use it in place of the WWV signal out of Boulder, Colorado. Because I do not always get a strong signal from Boulder.
Seems to work well for me.
Click to expand...
Ranch55 said:
Yes, I have one operating on my bench.
It took quite a while for it to obtain a GPS signal. Antenna needs to have a good, clear view of the sky. It needs to be on for a couple of days for the internal oven to stabilize the temperature.
I have it running into my Fluke 7220A frequency counter for reference.
I also use it in place of the WWV signal out of Boulder, Colorado. Because I do not always get a strong signal from Boulder.
Seems to work well for me.
Click to expand...
Would you happen to know if one date of Manufacturer is better than the other? EV blog has a listing but all foreign to me. Nice freq. Counter. I only have a 1911A.
 
Long as you’re not using one to sell people certified calibrations, they’re perfectly fine. You use this to do such and that would just be dishonest and certainly show a major lack of integrity.

Why you might ask, because they’re off like .001Hz or something close to that. And you couldn’t tell people you were doing dead-on certified and traceable calibrations using this.

Otherwise, yeah, they’re pretty good for ball parking it.
 
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TheRealPorkchop said:
Long as you’re not using one to sell people certified calibrations, they’re perfectly fine. You use this to do such and that would just be dishonest and certainly show a major lack of integrity.

Why you might ask, because they’re off like .001Hz or something close to that. And you couldn’t tell people you were doing dead-on certified and traceable calibrations using this.

Otherwise, yeah, they’re pretty good for ball parking it.
Click to expand...

Yeah but what if you're in a desert somewhere with a big sky.
The sand may improve the signal
 

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