Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses

Questions? Call 800-624-6242

About | Ordering | New

LoginRegister

| Items in cart [0]

PAPERBACK
price:$32.75
add to cart

Rights & Permissions

Free PDF Access

Free Resources

Related Titles

Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses (2007)
Board on Physics and Astronomy (BPA)

Citation Manager Export the bibliographic data for this book in your chosen format
Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web.
Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book.
Reference Finder Paste in your own text to find books that relate to your topic.

Citation Manager

. "Appendix C International Astronomical Union Spectral Lines of Most Importance Below 300 GHz." Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses . Washington, DC: The National Academies Press, 2007.

Please select a format:

Page
99


E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore

The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy.

Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses

TABLE C.1 The Most Important Spectral Lines Below 275 GHz

Substance	Formula	Frequency (GHz)	Suggested Minimum Band (GHz)	Band Allocation Status¹
Deuterium	D I	0.327384	0.327-0.3277	P
Hydrogen	HI	1.420406²^,³	1.370-1.427	S 1.33-1.40
				P 1.40-1.427
Hydroxyl radical	OH	1.612231⁴^,⁵	1.6068-1.6138	P 1.6106-1.6138
		1.665402⁶	1.6598-1.6671	P 1.66-1.67
		1.667359⁶	1.6618-1.6690
Hydroxyl radical	OH	1.720530³^,⁶	1.7148-1.7222	S 1.7188-1.7222
Methyladyne	CH	3.263794³^,⁶	3.2424-3.2671	S 3.260-3.267
		3.335481³^,⁶	3.3244-3.3388	S 3.332-3.339
		3.349193³^,⁶	3.3380-3.3525	S 3.3458-3.3525
Formaldehyde	H₂CO	4.829660³^,⁶	4.8136-4.8345	S 4.8-4.9
Methanol	CH₃OH	6.668518³^,⁷	6.6618-6.6752	S 6.650-6.6752
Helium	³He⁺	8.665650	8.6570-8.6743
Methanol	CH₃OH	12.178³^,⁸	12.17-12.19
Formaldehyde	H₂CO	14.488³^,⁶	14.44-14.50	S 14.47-14.50
Cyclopropenylidene	C₃H₂	18.343³^,⁶^,⁸	18.28-18.36
Water vapor	H₂O	22.235³^,⁶	22.16-22.26	F 22.01-22.21
				P 22.21-22.50
Dicarbon monosulphide	CCS	22.344	22.32-22.37
Ammonia	NH₃	23.694⁶	23.61-23.89	P 23.60-24.00
		23.7236	23.8706
Sulphur monoxide	SiO	30.002	29.97-30.03
Methanol	CH₃OH	36.169	36.13-36.21	P9 36-37
Silicon monoxide	SiO	42.519	42.47-42.57
		42.821	42.78-42.86	F 42.77-42.87
		43.122	43.08-43.17	F 43.07-43.17
		43.424	43.38-43.47	F 43.37-43.37
Dicarbon monosulphide	CCS	45.379	45.33-45.42
Carbon monosulphide	CS	48.991	48.94-49.04	P 48.94-49.04
Oxygen	O₂	61.1	56.21-63.06	P10 58.2-59.0
Deuterated water	HDO	80.578	80.50-80.66
Cyclopropenylidene	C₃H₂	85.339	85.05-85.42
Silicon monoxide	SiO	86.243	86.16-86.33	P
Formylium	H¹³CO⁺	86.754	86.67-86.84	P
Silicon monoxide	SiO	86.847	86.76-86.93	P
Ethynyl radical	C₂H	87.300¹¹	87.21-87.39	P