Multi-frequency characterization of equatorial ionospheric space weather effects for developing signal outage predictive capability
Abstract
The SCINDA GPS receiver has been operational at the Institute of Radio Physics and Electronics, University of Calcutta, Calcutta, India since November 2006. The SCINDA station at Calcutta is situated in the geophysically sensitive Indian longitude sector virtually underneath the northern crest of the Equatorial Ionization Anomaly (EIA). The nearest SCINDA station on the west is located at Rajkot and on the east at Manila. The station at Calcutta thereby forms an important link between the above two widely separated longitude sectors. Data recorded at this station provides some of the worst-case figures in relation to Space Weather effects on transionospheric satellite communication and navigation links. This information will be useful input for development of forecasting models for occurrence of scintillations. Data from a multi-frequency multiconstellation receiver operational at Calcutta will also be used. VHF amplitude scintillation records will be used to develop predictive capability for GNSS signal outages. In the present proposal, efforts will be made to correlate signal fades across multi-frequency regime, develop predictive capability for L-band scintillations from VHF irregularity dynamics and make causative understanding of receiver loss of lock and characterize system performance in relation to ICAO signal-in-space requirements.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Jul 24, 2019
- Source ID
- FA23861810116
Entities
People
- Ashik Paul
Organizations
- Air Force Office of Scientific Research
- United States Air Force