I had to look it up as well. I found this link: https://www.orolia.com/resources/blog/lisa-perdue/2018/gps-2019-week-rollover-what-you-need-know https://www.oro

I had to look it up as well. I found this link: https://www.orolia.com/resources/blog/lisa-perdue/2018/gps-2019-week-rollover-what-you-need-know https://www.orolia.com/resources/blog/lisa-perdue/2018/gps-2... From the text comes: "However, the field that contains the week number is a 10-bit binary number. This limits the range of the week number to 0 – 1023, or 1024 total weeks."