"What difference does it make?" ( GPS question..)

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  • Updated 5 years ago
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I'm seeing stand-alone GPSDO 10 Mhz source prices falling; if I use an external, non-Flex, GPS referenced 10 Mhz oscillator, do I still get all the other good stuff? (time, grid square, elevation, speed, etc...)

6500, no GPSDO...73
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W5XZ - dan

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  • curious

Posted 5 years ago

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Stu Phillips - K6TU, Elmer

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No - the only thing you will get is the stability and accuracy of the GPS source used to lock the internal frequency reference.

The other information requires the internal GPS - the external GPS unit has no way to provide the other information which is output as a data stream from the GPSDO independently from the frequency reference.

Sorry - no free lunch for the GPS reference information!
Stu K6TU
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WQ5C - Mike

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True, but there are alternatives. For example, a Trimble Thunderbolt + "Lady Heather's Disciplined Oscillator Control Program" gives a mind-numbing amount of data: