ghz measures light in relation to sound.
ghz measures light in relation to sound.
what does ghz measure in relation to sound?
light
5.565 the following frequency bands in the range 275-1 000 ghz are identified for use by administrations for passive service applications:









































bullet::::- radio astronomy service:









































 275–323 ghz, 327–371 ghz, 388–424 ghz, 426–442 ghz,









































bullet::::- earth exploration-satellite service (passive) and space research service (passive):









































 275–286 ghz, 296–306 ghz, 313–356 ghz, 361–365 ghz, 369–392 ghz, 397–399 ghz, 409–411 ghz,
submillimeter amateur radio
fcc rule §97.301 permits amateurs use of frequencies above 275 ghz, subject to rule §97.303 clause-f which requires:-









































not causing harmful interference to radio astronomy stations: 275–323 ghz, 327–371 ghz, 388–424 ghz, 426–442 ghz, 453–510 ghz, 623–711 ghz, 795–909 ghz, or 926–945 ghz.









































in addition, amateur stations transmitting in the following segments must not cause harmful interference to stations in the earth exploration-satellite service (passive) or the space research service (passive): 275–277 ghz, 294–306 ghz, 316–334 ghz, 342–349 ghz, 363–365 ghz, 371–389 ghz, 416–434 ghz, 442–444 ghz, 496–506 ghz, 546–568 ghz, 624–629 ghz, 634–654 ghz, 659–661 ghz, 684–692 ghz, 730–732 ghz, 851–853 ghz, or 951–956 ghz.









































section::::distance records.
submillimeter amateur radio