![Jordan Wallace on Twitter: "ATTENTION ALL GPS USERS! Things will be changing in April that may effect your GPS receiver and/or base station. This is not specific to Trimble, it effects all Jordan Wallace on Twitter: "ATTENTION ALL GPS USERS! Things will be changing in April that may effect your GPS receiver and/or base station. This is not specific to Trimble, it effects all](https://pbs.twimg.com/media/D1OH9UoWsAAr-ih.jpg)
Jordan Wallace on Twitter: "ATTENTION ALL GPS USERS! Things will be changing in April that may effect your GPS receiver and/or base station. This is not specific to Trimble, it effects all
Calling all Topcon tech users – the GPS Week Number Rollover (WNRO) is happening on 6th April! Make sure you update your GPS firmware to avoid potential... | By Topcon Positioning GB
![Kastar 3-Pack Battery 7.4V 2900mAh Replacement for Topcon GPS HiPer II GNSS receivers, HiPer V GNSS receivers, Topcon Instruments ES Series OS Series DS Series PS Series, Sokkia Instruments CX Series - Kastar 3-Pack Battery 7.4V 2900mAh Replacement for Topcon GPS HiPer II GNSS receivers, HiPer V GNSS receivers, Topcon Instruments ES Series OS Series DS Series PS Series, Sokkia Instruments CX Series -](https://i5.walmartimages.com/asr/3202646d-452b-4890-8d0d-6e93a432144c.367da90c452413d1891bef93ffcab0c1.jpeg)