E H Thomas (March 1978). The RSRE Satellite Communications Test Facility(PDF) (Report). Royal Signals and Radar Establishment. RSRE Report 78008. Archived(PDF) from the original on 1 June 2022. Retrieved 23 January 2021.
E H Thomas (March 1978). The RSRE Satellite Communications Test Facility(PDF) (Report). Royal Signals and Radar Establishment. RSRE Report 78008. Archived(PDF) from the original on 1 June 2022. Retrieved 23 January 2021.