Transcription of A Simplified GPS-Derived Frequency Standard - …
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14 Sep/Oct 2006242 Robert-Martial StGatineau, Qu bec J9J Simplified GPS-DerivedFrequency StandardBertrand Zauhar, VE2 ZAZHere is a simple and modern approach to a 10-MHz many reasons, an accurate frequencystandard at an Amateur Radio stationis desirable. For weak-signal operationsuch as EME (moonbounce) at microwavefrequencies, you must be transmitting and lis-tening exactly at the right Frequency ; other-wise the narrow receive filters used will makeyou miss that weak signal. With such a setup,a 10-MHz Frequency reference feeds the fre-quency synthesizer that generates the radio soperating Frequency .
Sep/Oct 2006 15 By averaging it over a long period, a much better accuracy can be achieved. This is what this project does: it locks an external 10-MHz
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