SM. 1536 - Frequency channel occupancy measurements.
Sm. 1540 Unwanted emissions in the out-of-band domain falling into adjacent allocated bands.
SM.1541-1 - Unwanted emissions in the out-of-band domain
SM. 239-10 - Unwanted emissions in the spurious domain.
SM. 328-10 - Spectra and bandwidth of emissions.
Sm.1681 - Measuring od low-level emissions from space station at monitoring earth stations using noisr reduction techniques.
SM. 1682 - Menthod for measurements on digital broadcasting signals.