[time-nuts] wtd: WWVB info

Donald donvukovic at gmail.com
Tue Aug 4 18:43:00 EDT 2015

I have been looking into WWVB receivers.

I see that the sources I had purchased from a few years ago are no 
longer available(in the US).

I see that the format of the WWVB signal has changed a little as well.

Has NIST done something to not allow chip manufactures to make new 
chips/modules ?
Is there any reason why we (in the US) are not allowed to buy these 
chips/modules any longer ?
I did get a WWVB receiver out of the UK recently.

Does anyone have a schematic for building a simple WWVB receiver ?

Any information would be grateful.

- Don

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