| 1 | |
| Researcher: | Joginder Singh |
| Guide: | Singh, Gurucharan |
| University: | Panjab University |
| Language: | English |
| 2 | Studies on the ionospheric propagation characteristics of VLF, LF, MF and HF radio waves |
| Researcher: | Sehra, Joginder Singh |
| University: | University of Calcutta |
| Language: | English |