Educating primary school students about surveying
Volker Janssen
This paper has introduced an innovative initiative to engage primary school students (and their parents) with surveying in a way that is educational, healthy and fun, while also delivering real-world benefits to the surveying profession. Students were asked to take their parents/carers for a walk, find SSMs located along the kerb, investigate each mark’s health status, take photographs, organise the images, and then upload the data to the school...[more]

Solar radio bursts impact on the International GNSS Service Network during Solar Cycle 24
Manuel Flores-Soriano
This paper has presented an investigation into the effects that solar radio bursts had on the GPS receivers of the International GNSS Service Network during Solar Cycle 24. Focusing on the 20 most intense 1.4 GHz solar radio bursts detected by the RSTN, the impacts were characterized in terms of the degradation of signal strength, reduction in the number of available satellites, and precision decrease as a result of the satellite geometry deterioration...... [more]

GNSS Constellation Specific Monthly Analysis Summary: July 2025
Narayan Dhital
This article continues the monthly performance analysis of the GNSS constellation. Readers are encouraged to refer to previous issues for foundational discussions and earlier results..... [more]