See:
https://hackaday.com/blog/?s=Raspberry+Pi+HAT+for+IEEE1588

I got a quote; a 3 port hat is 400 Euro. You'll have to decide. Comments very welcome.
Don

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The whole world is a straight man.
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Dr. Don Latham  AJ7LL
PO Box 404, Frenchtown, MT, 59834
VOX: 406-626-4304
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