TY - BOOK AU - Flock, Warren L. TI - Electromagnetic signal transmission U1 - 621.371/F64 PY - 1991/// CY - Colorado PB - NASA Propagation Information Center KW - IONOSFERA KW - FILTROS ÓPTICOS KW - ATMÓSFERA TERRESTRE KW - PROPAGACIÓN ONDAS ELECTROMAGNETICAS N1 - Referencias bibliográficas: páginas 52-56; 1. Electromagnetic waves -- 2. Basic concepts -- 3. The spectrum of electromagnetic waves -- 4. Transmission lines, waveguides, and optical fibers -- 5. Transmission lines -- 6. Waveguides -- 7. Ooptical fibers -- 8. Basic concepts of ionospheric propagation -- 9. Introduction -- 10. Linear and circularly polarizad waves -- 11. Propagation of electromagnetic waves in the ionosphere --12. Terrestrial line-of-slight transmission -- 13. Introduction -- 14. Index of refraction of the troposphere -- 15. Ray paths in the troposphere -- 16. Propagation throught earth's atmosphere at elevation angles above ten degrees ER -