Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses Édgar Caballero Elías En el pasado

En el pasado

pues cualquiera las puede reconocer y constantemente se vive en su horizonte

formar el espíritu y el cuerpo

dedicó su vida a la práctica y las enseñanzas del Bodicharyavatara

Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses Édgar Caballero Elías En el pasadoHandbook of Frequency Allocations and Spectrum Protection for Scientific Uses The electromagnetic spectrum is a vital part of our environment. Measures of radio frequency emissions from natural phenomena enable both practical applications, such as weather predictions and studies of the changing of Earth's climate here at home, and reveal the physical properties of cosmic sources. The spectrum is therefore a resource to be used wisely now and to be