Jahan Jhuggi Wahan- Makaan: In-situ Slum Rehabilitation
A K Jain
Once in the slums, the disinclination of the slum dwellers to move away makes it difficult to relocate the population in alternative housing areas because of low rents, strong community relationship and proximity to the place of work. However, the vitiated and constricted environment of the slums results into their demoralisation and robs their family of sustenance and energy. These also reflect the society’s economic structure, power relationship amongst social groups and political structure of the state..[more]

GNSS Constellation Specific Monthly Analysis Summary: August 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. In addition, there is a short overview on the Length of Day (LOD) parameter that captures the variation in the Earth’s rotation and its impact on the GNSS.... [more]

Empirical orthogonal function based modelling of ionosphere using Turkish GNSS network
Kutubuddin Ansari, Janusz Walo, Selcuk Sagir and Kinga Wezka
The study investigates ionospheric TEC variation over the Turkish region using 5 GNSS stations. The results showed that the overall TEC values display the trend of normal diurnal and annual TEC variations. This happens due to the revolution and rotational motion of the Earth around the Sun..... [more]