# Which GPS Raspberry Pi hat for stratum 1 server?

**URL:** <https://community.ntppool.org/t/which-gps-raspberry-pi-hat-for-stratum-1-server/1580>\
**Category:** Server operators\
**Created:** [February 10, 2020, 2:40am UTC](https://community.ntppool.org/t/which-gps-raspberry-pi-hat-for-stratum-1-server/1580 "2020-02-10T02:40:02Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![magnemann](https://sea2.discourse-cdn.com/flex016/user_avatar/community.ntppool.org/magnemann/32/1318_2.png) [@magnemann](https://community.ntppool.org/u/magnemann)\
**Post date:** [August 20, 2026, 8:50am UTC](https://community.ntppool.org/t/which-gps-raspberry-pi-hat-for-stratum-1-server/1580/9 "2026-08-20T08:50:12Z")

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I ordered this, it should be more accurate than adafruit

> **[GPS/RTC Expansion Board for Raspberry Pi](https://thepihut.com/products/raspberry-pi-gps-hat)**
>
> The Uputronics GPS/RTC Expansion Board for Raspberry Pi provides a modern multi GNSS GPS receiver and hardware RTC with no soldering required. It can be connected to all Raspberry Pi boards with the 40-pin (2x20) header.

see also this thread

> [@Recommendations for GPS-hat for raspberry pi 4](https://community.ntppool.org/t/recommendations-for-gps-hat-for-raspberry-pi-4/4635):
>
> Hi, I will build a S1 server with a rpi 4, and need a hat with PPS, no soldering. Antenna on roof, clear sky. Located south in Norway. Important is also accuracy (and price). Anyone have experience on certain hats? Thanks a lot grinning_face

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