Monthly Archives: November 2017

Can You Trust Your RX For a FMT?

My go to ham rig is my K3s, which includes the KTCXO3-1 Temperature Compensated Crystal Oscillator, a device specified to maintain 0.5 to 1 PPM,  One might think that in a reasonably controlled environment that the K3s could be used in CW … Continue reading

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So How Far Off is Your Soundcard?

I am starting my journey into the world of Frequency Measuring Tests.  I decided to use my receiver in AM mode and compare the unknown frequency to a known frequency obtained from a HP3335A (locked to a Rubidium source) that … Continue reading

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CAS-4B with a Future Ham

I’ve been spending a little time with a young neighbor, introducing him to Amateur Radio.  I try to mix a little on-air activity with some theory.  It’s amazing how comfortable he is with solving equations in his head. This past … Continue reading

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Restoring HP3335A Part 2

After cleaning the synthesizer inside and out, I replaced multiple screws that were missing from the internal metal frame, and bolted down the power supply, which was obviously replaced in the past (without putting it back in properly).  Despite the … Continue reading

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Restoring a HP 3335A to full operation

I’ve always been sort of a time nut, but that’s pretty closely related to frequency.  The ARRL helps to sponsor a periodic Frequency Measurement Test, usually held in April and November.  A good friend of mine, John WA1ABI, always participates … Continue reading

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DX Progress through October

Many other projects (like teaching another set of Technician’s) reduce the amount of time I have on air, but DX progress continues slowly.  My confirmed country count hasn’t changed (262), but the DX Challenge count has creeped up to 1250.  … Continue reading

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