I got a Trak Systems "Time Code Translator" from ebay. It's a 1U box with large LEDs for DOY and H/M/S that translates IRIG-A to NASA-36 time code. I plan on using the case for my WWVB clock.

Unexpectedly it has an Isotemp OCXO in it, model OCXO59-11-2, frequency marked as 1.000 MHz The Isotemp website is more or less dead, it has no information on it. Does anyone have any information on this model, like how accurate it is? It has only three wires, which I assume are power, ground and output, with no EFC input.

One thing that I'm sill note sure about is what to do when the receiver is not receiving WWVB. I was thinking of using something like the DS3231 RTC module. If this OCXO is better, I may use it.

Thanks

Robert
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