Allocated Band (GHz)

Earth Observing System Instruments

Current Allocation

Other Primary Services

Notes

Lower

Upper

523

527

 

None

 

Water vapor sounding, near nadir GEO

538

542

 

None

 

Water vapor sounding, near nadir GEO

541

558

 

None

 

Lines of HNO3 and O3, limb

547

584

ODIN

 

Mesospheric H2O

552

562

 

None

 

Water vapor sounding, near nadir GEO

563

580.4

ODIN

None

 

Lines of ClO and O3

624

629

SMILES, SOPRANO

None

 

ClO2 line at 624.271 GHz, limb;

SO2 line at 624.344 GHz, limb;

BrO line at 624.77 GHz, limb;

O3 line at 625.656 GHz, limb;

HCl line at 625.9 GHz, limb;

CH3Cl line at 627.177 GHz, limb;

O2 line at 627.773 GHz, limb;

HOCl line at 628.46 GHz, limb

640

653

MLS (new); SMILES

None

 

Lines:

CH2CL, ClO, BrO, HCl, HOCl, SO2;

H2O line at 647.198 GHz, limb;

ClO line at 649.45 GHz, limb;

HO2 line at 649.701 GHz, limb;

HNO3 line at 650.279 GHz, limb;

O3 line at 650.733 GHz, limb;

NO line at 651.771 GHz, limb;

N2O line at 652.834 GHz, limb

951

956

SOPRANO

None

 

O2 line at 952 GHz, limb;

NO line at 953 GHz, limb

1228

1230

MLS (new)

None

HF line at 1228.95 GHz, limb

2520

2525

MLS (new)

None

 

OH line at 2522.78 GHz, limb



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