TABLE G.2 Passive Sensor Needs and Current Allocations Above 275 GHz

Allocated Band (GHz)

Earth Observing System Instruments

Current Allocation

Other Primary Services

Notes

Lower

Upper

275

277

 

5.565

 

NO line at 276.33 GHz, limb

296

300

MLS, MASTER

None

 

Want 296-306 GHz; window, line wings

300

302

MLS, MASTER

5.565

 

Want 296-306 GHz; NO line at 301.44 GHz; O3 line, limb; N2O line; O2 line

302

306

 

None

 

Want 296-306 GHz

316

324

 

None

 

Want ± 9.0 or 9.5 GHz around 325 GHz

324

326

MASTER

5.565

 

Want ± 9.0 or 9.5 GHz, nadir water vapor from GEO, limb from LEO; H2O, water vapor sounding at 325.1 GHz

326

334

 

None

 

Want ± 9.0 or 9.5 GHz around 325 GHz

336

344

GEM

None

 

Need 339-348 GHz for water vapor sounding, precipitation cell imaging, and Cloud Ice Water Path measurement

345

347

MASTER

5.565

 

Want 339-348 GHz; CO line at 345.8 GHz, limb; HNO3 line at 346 GHz

347

348

 

None

 

Want 339-348 GHz

363

365

 

5.565

 

O3 line at 364.32 GHz, limb

371.5

379

 

None

 

Water vapor line at 380.2 GHz; need 17 GHz for close to nadir sounding from GEO

379

381

GEM

5.565

 

Water vapor line at 380.2 GHz; need 17 GHz for close to nadir sounding from GEO

381

388.5

 

None

 

Water vapor line at 380.2 GHz; need 17 GHz for close to nadir sounding from GEO

409

411

GEM

None

 

Temperature sounding, centered at 410 GHz

416

433

GEM

None

 

Temperature sounding centered at 424.7 or 2 bands above

485

487

ODIN

None

 

O2 line at 486 GHz, limb

498

505

SOPRANO, MASTER

None

 

BrO line at 498.1 GHz, limb; O3 line at 498.2 GHz, limb; N2O line at 498.3 GHz, limb; H2O line at 498.4 GHz, limb; ClO line at 498.5 GHz, limb; CH3Cl line at 498.6 GHz, limb; Water vapor sounding, near nadir GEO at 498-502 GHz



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