REFERENCES
- NMSF—SABC TV 15.625 kHz Mean Frequency Offset. Published monthly. NPRL. Pretoria.
- Gaede(H J). Free Frequency Standard offered by SABC: NITelsR Electronics and Instrumentation. August 1979. pp 97–100.
- Specifications of Television Standards for 625-Line System-I Transmissions in the Republic of South Africa. SABC Revised Edition. February 1976.